class Standard attr_accessor :space_multiplier_map def define_space_multiplier return @space_multiplier_map end # @!group Model # Creates a Performance Rating Method (aka Appendix G aka LEED) baseline building model # based on the inputs currently in the model. # the current model with this model. # # @note Per 90.1, the Performance Rating Method "does NOT offer an alternative # compliance path for minimum standard compliance." This means you can't use # this method for code compliance to get a permit. # @param building_type [String] the building type # @param climate_zone [String] the climate zone # @param custom [String] the custom logic that will be applied during baseline creation. Valid choices are 'Xcel Energy CO EDA' or '90.1-2007 with addenda dn'. # If nothing is specified, no custom logic will be applied; the process will follow the template logic explicitly. # @param sizing_run_dir [String] the directory where the sizing runs will be performed # @param debug [Boolean] If true, will report out more detailed debugging output # @return [Bool] returns true if successful, false if not def model_create_prm_baseline_building(model, building_type, climate_zone, custom = nil, sizing_run_dir = Dir.pwd, debug = false) model.getBuilding.setName("#{template}-#{building_type}-#{climate_zone} PRM baseline created: #{Time.new}") # Remove external shading devices OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Removing External Shading Devices ***') model_remove_external_shading_devices(model) # Reduce the WWR and SRR, if necessary OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Adjusting Window and Skylight Ratios ***') model_apply_prm_baseline_window_to_wall_ratio(model, climate_zone) model_apply_prm_baseline_skylight_to_roof_ratio(model) # Assign building stories to spaces in the building # where stories are not yet assigned. model_assign_spaces_to_stories(model) # Modify the internal loads in each space type, # keeping user-defined schedules. OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Changing Lighting Loads ***') model.getSpaceTypes.sort.each do |space_type| set_people = false set_lights = true set_electric_equipment = false set_gas_equipment = false set_ventilation = false set_infiltration = false space_type_apply_internal_loads(space_type, set_people, set_lights, set_electric_equipment, set_gas_equipment, set_ventilation, set_infiltration) end # If any of the lights are missing schedules, assign an # always-off schedule to those lights. This is assumed to # be the user's intent in the proposed model. model.getLightss.sort.each do |lights| if lights.schedule.empty? lights.setSchedule(model.alwaysOffDiscreteSchedule) end end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Adding Daylighting Controls ***') # Run a sizing run to calculate VLT for layer-by-layer windows. if model_create_prm_baseline_building_requires_vlt_sizing_run(model) if model_run_sizing_run(model, "#{sizing_run_dir}/SRVLT") == false return false end end # Add daylighting controls to each space model.getSpaces.sort.each do |space| added = space_add_daylighting_controls(space, false, false) end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Applying Baseline Constructions ***') # Modify some of the construction types as necessary model_apply_prm_construction_types(model) # Set the construction properties of all the surfaces in the model model_apply_standard_constructions(model, climate_zone) # Get the groups of zones that define the # baseline HVAC systems for later use. # This must be done before removing the HVAC systems # because it requires knowledge of proposed HVAC fuels. OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Grouping Zones by Fuel Type and Occupancy Type ***') sys_groups = model_prm_baseline_system_groups(model, custom) # Remove all HVAC from model, # excluding service water heating model_remove_prm_hvac(model) # Modify the service water heating loops # per the baseline rules OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Cleaning up Service Water Heating Loops ***') model_apply_baseline_swh_loops(model, building_type) # Determine the baseline HVAC system type for each of # the groups of zones and add that system type. OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Adding Baseline HVAC Systems ***') sys_groups.each do |sys_group| # Determine the primary baseline system type system_type = model_prm_baseline_system_type(model, climate_zone, sys_group['occ'], sys_group['fuel'], sys_group['area_ft2'], sys_group['stories'], custom) sys_group['zones'].sort.each_slice(5) do |zone_list| zone_names = [] zone_list.each do |zone| zone_names << zone.name.get.to_s end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "--- #{zone_names.join(', ')}") end # Add the system type for these zones model_add_prm_baseline_system(model, system_type[0], system_type[1], system_type[2], system_type[3], sys_group['zones']) end # Set the zone sizing SAT for each zone in the model model.getThermalZones.each do |zone| thermal_zone_apply_prm_baseline_supply_temperatures(zone) end # Set the system sizing properties based on the zone sizing information model.getAirLoopHVACs.each do |air_loop| air_loop_hvac_apply_prm_sizing_temperatures(air_loop) end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Applying Baseline HVAC System Controls ***') # SAT reset, economizers model.getAirLoopHVACs.sort.each do |air_loop| air_loop_hvac_apply_prm_baseline_controls(air_loop, climate_zone) end # Apply the minimum damper positions, assuming no DDC control of VAV terminals model.getAirLoopHVACs.sort.each do |air_loop| air_loop_hvac_apply_minimum_vav_damper_positions(air_loop, false) end # Apply the baseline system temperatures model.getPlantLoops.sort.each do |plant_loop| # Skip the SWH loops next if plant_loop_swh_loop?(plant_loop) plant_loop_apply_prm_baseline_temperatures(plant_loop) end # Set the heating and cooling sizing parameters model_apply_prm_sizing_parameters(model) # Run sizing run with the HVAC equipment if model_run_sizing_run(model, "#{sizing_run_dir}/SR1") == false return false end # If there are any multizone systems, reset damper positions # to achieve a 60% ventilation effectiveness minimum for the system # following the ventilation rate procedure from 62.1 model_apply_multizone_vav_outdoor_air_sizing(model) # Set the baseline fan power for all airloops model.getAirLoopHVACs.sort.each do |air_loop| air_loop_hvac_apply_prm_baseline_fan_power(air_loop) end # Set the baseline fan power for all zone HVAC model.getZoneHVACComponents.sort.each do |zone_hvac| zone_hvac_component_apply_prm_baseline_fan_power(zone_hvac) end # Set the baseline number of boilers and chillers model.getPlantLoops.sort.each do |plant_loop| # Skip the SWH loops next if plant_loop_swh_loop?(plant_loop) plant_loop_apply_prm_number_of_boilers(plant_loop) plant_loop_apply_prm_number_of_chillers(plant_loop) end # Set the baseline number of cooling towers # Must be done after all chillers are added model.getPlantLoops.sort.each do |plant_loop| # Skip the SWH loops next if plant_loop_swh_loop?(plant_loop) plant_loop_apply_prm_number_of_cooling_towers(plant_loop) end # Run sizing run with the new chillers, boilers, and # cooling towers to determine capacities if model_run_sizing_run(model, "#{sizing_run_dir}/SR2") == false return false end # Set the pumping control strategy and power # Must be done after sizing components model.getPlantLoops.sort.each do |plant_loop| # Skip the SWH loops next if plant_loop_swh_loop?(plant_loop) plant_loop_apply_prm_baseline_pump_power(plant_loop) plant_loop_apply_prm_baseline_pumping_type(plant_loop) end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', '*** Applying Prescriptive HVAC Controls and Equipment Efficiencies ***') # Apply the HVAC efficiency standard model_apply_hvac_efficiency_standard(model, climate_zone) # Fix EMS references. # Temporary workaround for OS issue #2598 model_temp_fix_ems_references(model) # Delete all the unused curves model.getCurves.sort.each do |curve| if curve.directUseCount == 0 OpenStudio::logFree(OpenStudio::Debug, 'openstudio.standards.Model', "#{curve.name} is unused; it will be removed.") model.removeObject(curve.handle) end end # TODO: turn off self shading # Set Solar Distribution to MinimalShadowing... problem is when you also have detached shading such as surrounding buildings etc # It won't be taken into account, while it should: only self shading from the building itself should be turned off but to my knowledge there isn't a way to do this in E+ model_status = 'final' model.save(OpenStudio::Path.new("#{sizing_run_dir}/#{model_status}.osm"), true) # Translate to IDF and save for debugging forward_translator = OpenStudio::EnergyPlus::ForwardTranslator.new idf = forward_translator.translateModel(model) idf_path = OpenStudio::Path.new("#{sizing_run_dir}/#{model_status}.idf") idf.save(idf_path, true) return true end # Determine if there needs to be a sizing run after constructions # are added so that EnergyPlus can calculate the VLTs of # layer-by-layer glazing constructions. These VLT values are # needed for the daylighting controls logic for some templates. def model_create_prm_baseline_building_requires_vlt_sizing_run(model) return false # Not required for most templates end # Determine the residential and nonresidential floor areas # based on the space type properties for each space. # For spaces with no space type, assume nonresidential. # # @return [Hash] keys are 'residential' and 'nonresidential', units are m^2 def model_residential_and_nonresidential_floor_areas(model) res_area_m2 = 0 nonres_area_m2 = 0 model.getSpaces.sort.each do |space| if thermal_zone_residential?(space) res_area_m2 += space.floorArea else nonres_area_m2 += space.floorArea end end return { 'residential' => res_area_m2, 'nonresidential' => nonres_area_m2 } end # Determine the number of stories spanned by the # supplied zones. If all zones on one of the stories have # an indentical multiplier, assume that the multiplier is a # floor multiplier and increase the number of stories accordingly. # Stories do not have to be contiguous. # # @param zones [Array] an array of zones # @return [Integer] the number of stories spanned def model_num_stories_spanned(model, zones) # Get the story object for all zones stories = [] zones.each do |zone| zone.spaces.each do |space| story = space.buildingStory next if story.empty? stories << story.get end end # Reduce down to the unique set of stories stories = stories.uniq # Tally up stories including multipliers num_stories = 0 stories.each do |story| num_stories += building_story_floor_multiplier(story) end return num_stories end # Categorize zones by occupancy type and fuel type, # where the types depend on the standard. # # @return [Array] an array of hashes, one for each zone, # with the keys 'zone', 'type' (occ type), 'fuel', and 'area' def model_zones_with_occ_and_fuel_type(model, custom) zones = [] model.getThermalZones.sort.each do |zone| # Skip plenums if thermal_zone_plenum?(zone) OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Zone #{zone.name} is a plenum. It will not be assigned a baseline system.") next end # Skip unconditioned zones heated = thermal_zone_heated?(zone) cooled = thermal_zone_cooled?(zone) if !heated && !cooled OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Zone #{zone.name} is unconditioned. It will not be assigned a baseline system.") next end zn_hash = {} # The zone object zn_hash['zone'] = zone # Floor area zn_hash['area'] = zone.floorArea # Occupancy type zn_hash['occ'] = thermal_zone_occupancy_type(zone) # Fuel type zn_hash['fuel'] = thermal_zone_fossil_or_electric_type(zone, custom) zones << zn_hash end return zones end # Determine the dominant and exceptional areas of the # building based on fuel types and occupancy types. # # @return [Array] an array of hashes of area information, # with keys area_ft2, type, fuel, and zones (an array of zones) def model_prm_baseline_system_groups(model, custom) # Define the minimum area for the # exception that allows a different # system type in part of the building. exception_min_area_m2 = model_prm_baseline_system_group_minimum_area(model, custom) exception_min_area_ft2 = OpenStudio.convert(exception_min_area_m2, 'm^2', 'ft^2').get # Get occupancy type, fuel type, and area information for all zones, # excluding unconditioned zones. # Occupancy types are: # Residential # NonResidential # (and for 90.1-2013) # PublicAssembly # Retail # Fuel types are: # fossil # electric # (and for Xcel Energy CO EDA) # fossilandelectric zones = model_zones_with_occ_and_fuel_type(model, custom) # Ensure that there is at least one conditioned zone if zones.size.zero? OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', 'The building does not appear to have any conditioned zones. Make sure zones have thermostat with appropriate heating and cooling setpoint schedules.') return [] end # Group the zones by occupancy type type_to_area = Hash.new { 0.0 } zones_grouped_by_occ = zones.group_by { |z| z['occ'] } # Determine the dominant occupancy type by area zones_grouped_by_occ.each do |occ_type, zns| zns.each do |zn| type_to_area[occ_type] += zn['area'] end end dom_occ = type_to_area.sort_by { |k, v| v }.reverse[0][0] # Get the dominant occupancy type group dom_occ_group = zones_grouped_by_occ[dom_occ] # Check the non-dominant occupancy type groups to see if they # are big enough to trigger the occupancy exception. # If they are, leave the group standing alone. # If they are not, add the zones in that group # back to the dominant occupancy type group. occ_groups = [] zones_grouped_by_occ.each do |occ_type, zns| # Skip the dominant occupancy type next if occ_type == dom_occ # Add up the floor area of the group area_m2 = 0 zns.each do |zn| area_m2 += zn['area'] end area_ft2 = OpenStudio.convert(area_m2, 'm^2', 'ft^2').get # If the non-dominant group is big enough, preserve that group. if area_ft2 > exception_min_area_ft2 occ_groups << [occ_type, zns] OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "The portion of the building with an occupancy type of #{occ_type} is bigger than the minimum exception area of #{exception_min_area_ft2.round} ft2. It will be assigned a separate HVAC system type.") # Otherwise, add the zones back to the dominant group. else dom_occ_group += zns end end # Add the dominant occupancy group to the list occ_groups << [dom_occ, dom_occ_group] # Inside of each remaining occupancy group, # determine the dominant fuel type. This determination # should only include zones that are part of the # dominant area type inside of this group. occ_and_fuel_groups = [] occ_groups.each do |occ_type, zns| # Separate the zones that are part of the dominant occ type dom_occ_zns = [] nondom_occ_zns = [] zns.each do |zn| if zn['occ'] == occ_type dom_occ_zns << zn else nondom_occ_zns << zn end end # Determine the dominant fuel type # from the subset of the dominant area type zones fuel_to_area = Hash.new { 0.0 } zones_grouped_by_fuel = dom_occ_zns.group_by { |z| z['fuel'] } zones_grouped_by_fuel.each do |fuel, zns_by_fuel| zns_by_fuel.each do |zn| fuel_to_area[fuel] += zn['area'] end end sorted_by_area = fuel_to_area.sort_by { |k, v| v }.reverse dom_fuel = sorted_by_area[0][0] # Don't allow unconditioned to be the dominant fuel, # go to the next biggest if dom_fuel == 'unconditioned' if sorted_by_area.size > 1 dom_fuel = sorted_by_area[1][0] else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', 'The fuel type was not able to be determined for any zones in this model. Run with debug messages enabled to see possible reasons.') return [] end end # Get the dominant fuel type group dom_fuel_group = {} dom_fuel_group['occ'] = occ_type dom_fuel_group['fuel'] = dom_fuel dom_fuel_group['zones'] = zones_grouped_by_fuel[dom_fuel] # The zones that aren't part of the dominant occ type # are automatically added to the dominant fuel group dom_fuel_group['zones'] += nondom_occ_zns # Check the non-dominant occupancy type groups to see if they # are big enough to trigger the occupancy exception. # If they are, leave the group standing alone. # If they are not, add the zones in that group # back to the dominant occupancy type group. zones_grouped_by_fuel.each do |fuel_type, zns_by_fuel| # Skip the dominant occupancy type next if fuel_type == dom_fuel # Add up the floor area of the group area_m2 = 0 zns_by_fuel.each do |zn| area_m2 += zn['area'] end area_ft2 = OpenStudio.convert(area_m2, 'm^2', 'ft^2').get # If the non-dominant group is big enough, preserve that group. if area_ft2 > exception_min_area_ft2 group = {} group['occ'] = occ_type group['fuel'] = fuel_type group['zones'] = zns_by_fuel occ_and_fuel_groups << group OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "The portion of the building with an occupancy type of #{occ_type} and fuel type of #{fuel_type} is bigger than the minimum exception area of #{exception_min_area_ft2.round} ft2. It will be assigned a separate HVAC system type.") # Otherwise, add the zones back to the dominant group. else dom_fuel_group['zones'] += zns_by_fuel end end # Add the dominant occupancy group to the list occ_and_fuel_groups << dom_fuel_group end # Moved heated-only zones into their own groups. # Per the PNNL PRM RM, this must be done AFTER # the dominant occ and fuel types are determined # so that heated-only zone areas are part of # the determination. final_groups = [] occ_and_fuel_groups.each do |gp| # Skip unconditioned groups next if gp['fuel'] == 'unconditioned' heated_only_zones = [] heated_cooled_zones = [] gp['zones'].each do |zn| if thermal_zone_heated?(zn['zone']) && !thermal_zone_cooled?(zn['zone']) heated_only_zones << zn else heated_cooled_zones << zn end end gp['zones'] = heated_cooled_zones # Add the group (less unheated zones) to the final list final_groups << gp # If there are any heated-only zones, create # a new group for them. unless heated_only_zones.empty? htd_only_group = {} htd_only_group['occ'] = 'heatedonly' htd_only_group['fuel'] = gp['fuel'] htd_only_group['zones'] = heated_only_zones final_groups << htd_only_group end end # Calculate the area for each of the final groups # and replace the zone hashes with the zone objects final_groups.each do |gp| area_m2 = 0.0 gp_zns = [] gp['zones'].each do |zn| area_m2 += zn['area'] gp_zns << zn['zone'] end area_ft2 = OpenStudio.convert(area_m2, 'm^2', 'ft^2').get gp['area_ft2'] = area_ft2 gp['zones'] = gp_zns end # TODO: Remove the secondary zones before # determining the area used to pick the HVAC # system, per PNNL PRM RM # If there is any district heating or district cooling # in the proposed building, the heating and cooling # fuels in the entire baseline building are changed # for the purposes of HVAC system assignment all_htg_fuels = [] all_clg_fuels = [] model.getThermalZones.sort.each do |zone| all_htg_fuels += zone.heating_fuels all_clg_fuels += zone.cooling_fuels end purchased_heating = false purchased_cooling = false # Purchased heating if all_htg_fuels.include?('DistrictHeating') purchased_heating = true end # Purchased cooling if all_clg_fuels.include?('DistrictCooling') purchased_cooling = true end # Categorize district_fuel = nil if purchased_heating && purchased_cooling district_fuel = 'purchasedheatandcooling' OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', 'The proposed model included purchased heating and cooling. All baseline building system selection will be based on this information.') elsif purchased_heating && !purchased_cooling district_fuel = 'purchasedheat' OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', 'The proposed model included purchased heating. All baseline building system selection will be based on this information.') elsif !purchased_heating && purchased_cooling district_fuel = 'purchasedcooling' OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', 'The proposed model included purchased cooling. All baseline building system selection will be based on this information.') end # Change the fuel in all final groups # if district systems were found. if district_fuel final_groups.each do |gp| gp['fuel'] = district_fuel end end # Determine the number of stories spanned # by each group and report out info. final_groups.each do |group| # Determine the number of stories this group spans num_stories = model_num_stories_spanned(model, group['zones']) group['stories'] = num_stories # Report out the final grouping OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Final system type group: occ = #{group['occ']}, fuel = #{group['fuel']}, area = #{group['area_ft2'].round} ft2, num stories = #{group['stories']}, zones:") group['zones'].sort.each_slice(5) do |zone_list| zone_names = [] zone_list.each do |zone| zone_names << zone.name.get.to_s end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "--- #{zone_names.join(', ')}") end end return final_groups end # Determines the area of the building above which point # the non-dominant area type gets it's own HVAC system type. # @return [Double] the minimum area (m^2) def model_prm_baseline_system_group_minimum_area(model, custom) exception_min_area_ft2 = 20_000 exception_min_area_m2 = OpenStudio.convert(exception_min_area_ft2, 'ft^2', 'm^2').get return exception_min_area_m2 end # Determine the baseline system type given the # inputs. Logic is different for different standards. # # 90.1-2007, 90.1-2010, 90.1-2013 # @param area_type [String] Valid choices are residential, # nonresidential, and heatedonly # @param fuel_type [String] Valid choices are # electric, fossil, fossilandelectric, # purchasedheat, purchasedcooling, purchasedheatandcooling # @param area_ft2 [Double] Area in ft^2 # @param num_stories [Integer] Number of stories # @return [String] The system type. Possibilities are # PTHP, PTAC, PSZ_AC, PSZ_HP, PVAV_Reheat, PVAV_PFP_Boxes, # VAV_Reheat, VAV_PFP_Boxes, Gas_Furnace, Electric_Furnace # @todo add 90.1-2013 systems 11-13 def model_prm_baseline_system_type(model, climate_zone, area_type, fuel_type, area_ft2, num_stories, custom) # [type, central_heating_fuel, zone_heating_fuel, cooling_fuel] system_type = [nil, nil, nil, nil] # Get the row from TableG3.1.1A sys_num = model_prm_baseline_system_number(model, climate_zone, area_type, fuel_type, area_ft2, num_stories, custom) # Modify the fuel type if called for by the standard fuel_type = model_prm_baseline_system_change_fuel_type(model, fuel_type, climate_zone, custom) # Define the lookup by row and by fuel type sys_lookup = Hash.new { |h, k| h[k] = Hash.new(&h.default_proc) } # fossil, fossil and electric, purchased heat, purchased heat and cooling sys_lookup['1_or_2']['fossil'] = ['PTAC', 'NaturalGas', nil, 'Electricity'] sys_lookup['1_or_2']['fossilandelectric'] = ['PTAC', 'NaturalGas', nil, 'Electricity'] sys_lookup['1_or_2']['purchasedheat'] = ['PTAC', 'DistrictHeating', nil, 'Electricity'] sys_lookup['1_or_2']['purchasedheatandcooling'] = ['Fan_Coil', 'DistrictHeating', nil, 'DistrictCooling'] sys_lookup['3_or_4']['fossil'] = ['PSZ_AC', 'NaturalGas', nil, 'Electricity'] sys_lookup['3_or_4']['fossilandelectric'] = ['PSZ_AC', 'NaturalGas', nil, 'Electricity'] sys_lookup['3_or_4']['purchasedheat'] = ['PSZ_AC', 'DistrictHeating', nil, 'Electricity'] sys_lookup['3_or_4']['purchasedheatandcooling'] = ['PSZ_AC', 'DistrictHeating', nil, 'DistrictCooling'] sys_lookup['5_or_6']['fossil'] = ['PVAV_Reheat', 'NaturalGas', 'NaturalGas', 'Electricity'] sys_lookup['5_or_6']['fossilandelectric'] = ['PVAV_Reheat', 'NaturalGas', 'Electricity', 'Electricity'] sys_lookup['5_or_6']['purchasedheat'] = ['PVAV_Reheat', 'DistrictHeating', 'DistrictHeating', 'Electricity'] sys_lookup['5_or_6']['purchasedheatandcooling'] = ['PVAV_Reheat', 'DistrictHeating', 'DistrictHeating', 'DistrictCooling'] sys_lookup['7_or_8']['fossil'] = ['VAV_Reheat', 'NaturalGas', 'NaturalGas', 'Electricity'] sys_lookup['7_or_8']['fossilandelectric'] = ['VAV_Reheat', 'NaturalGas', 'Electricity', 'Electricity'] sys_lookup['7_or_8']['purchasedheat'] = ['VAV_Reheat', 'DistrictHeating', 'DistrictHeating', 'Electricity'] sys_lookup['7_or_8']['purchasedheatandcooling'] = ['VAV_Reheat', 'DistrictHeating', 'DistrictHeating', 'DistrictCooling'] sys_lookup['9_or_10']['fossil'] = ['Gas_Furnace', 'NaturalGas', nil, nil] sys_lookup['9_or_10']['fossilandelectric'] = ['Gas_Furnace', 'NaturalGas', nil, nil] sys_lookup['9_or_10']['purchasedheat'] = ['Gas_Furnace', 'DistrictHeating', nil, nil] sys_lookup['9_or_10']['purchasedheatandcooling'] = ['Gas_Furnace', 'DistrictHeating', nil, nil] # electric (heat), purchased cooling sys_lookup['1_or_2']['electric'] = ['PTHP', 'Electricity', nil, 'Electricity'] sys_lookup['1_or_2']['purchasedcooling'] = ['Fan_Coil', 'NaturalGas', nil, 'DistrictCooling'] sys_lookup['3_or_4']['electric'] = ['PSZ_HP', 'Electricity', nil, 'Electricity'] sys_lookup['3_or_4']['purchasedcooling'] = ['PSZ_AC', 'NaturalGas', nil, 'DistrictCooling'] sys_lookup['5_or_6']['electric'] = ['PVAV_PFP_Boxes', 'Electricity', 'Electricity', 'Electricity'] sys_lookup['5_or_6']['purchasedcooling'] = ['PVAV_PFP_Boxes', 'Electricity', 'Electricity', 'DistrictCooling'] sys_lookup['7_or_8']['electric'] = ['VAV_PFP_Boxes', 'Electricity', 'Electricity', 'Electricity'] sys_lookup['7_or_8']['purchasedcooling'] = ['VAV_PFP_Boxes', 'Electricity', 'Electricity', 'DistrictCooling'] sys_lookup['9_or_10']['electric'] = ['Electric_Furnace', 'Electricity', nil, nil] sys_lookup['9_or_10']['purchasedcooling'] = ['Electric_Furnace', 'Electricity', nil, nil] # Get the system type system_type = sys_lookup[sys_num][fuel_type] if system_type.nil? system_type = [nil, nil, nil, nil] OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Could not determine system type for #{template}, #{area_type}, #{fuel_type}, #{area_ft2.round} ft^2, #{num_stories} stories.") else OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "System type is #{system_type[0]} for #{template}, #{area_type}, #{fuel_type}, #{area_ft2.round} ft^2, #{num_stories} stories.") OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "--- #{system_type[1]} for main heating") unless system_type[1].nil? OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "--- #{system_type[2]} for zone heat/reheat") unless system_type[2].nil? OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "--- #{system_type[3]} for cooling") unless system_type[3].nil? end return system_type end # Determines which system number is used # for the baseline system. Default is 90.1-2004 approach. # @return [String] the system number: 1_or_2, 3_or_4, # 5_or_6, 7_or_8, 9_or_10 def model_prm_baseline_system_number(model, climate_zone, area_type, fuel_type, area_ft2, num_stories, custom) sys_num = nil # Set the area limit limit_ft2 = 75_000 # Warn about heated only if area_type == 'heatedonly' OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Per Table G3.1.10.d, '(In the proposed building) Where no cooling system exists or no cooling system has been specified, the cooling system shall be identical to the system modeled in the baseline building design.' This requires that you go back and add a cooling system to the proposed model. This code cannot do that for you; you must do it manually.") end case area_type when 'residential' sys_num = '1_or_2' when 'nonresidential', 'heatedonly' # nonresidential and 3 floors or less and <25,000 ft2 if num_stories <= 3 && area_ft2 < limit_ft2 sys_num = '3_or_4' # nonresidential and 4 or 5 floors or 5 floors or less and 25,000 ft2 to 150,000 ft2 elsif ((num_stories == 4 || num_stories == 5) && area_ft2 < limit_ft2) || (num_stories <= 5 && (area_ft2 >= limit_ft2 && area_ft2 <= 150_000)) sys_num = '5_or_6' # nonresidential and more than 5 floors or >150,000 ft2 elsif num_stories >= 5 || area_ft2 > 150_000 sys_num = '7_or_8' end end return sys_num end # Change the fuel type based on climate zone, depending on the standard. # Defaults to no change. # @return [String] the revised fuel type def model_prm_baseline_system_change_fuel_type(model, fuel_type, climate_zone, custom = nil) return fuel_type # Don't change fuel type for most templates end # Add the specified baseline system type to the # specified zons based on the specified template. # For some multi-zone system types, the standards require # identifying zones whose loads or schedules # are outliers and putting these systems on separate # single-zone systems. This method does that. # # @param system_type [String] The system type. Valid choices are # PTHP, PTAC, PSZ_AC, PSZ_HP, PVAV_Reheat, PVAV_PFP_Boxes, # VAV_Reheat, VAV_PFP_Boxes, Gas_Furnace, Electric_Furnace, # which are also returned by the method # OpenStudio::Model::Model.prm_baseline_system_type. # @param main_heat_fuel [String] main heating fuel. Valid choices are # Electricity, NaturalGas, DistrictHeating # @param zone_heat_fuel [String] zone heating/reheat fuel. Valid choices are # Electricity, NaturalGas, DistrictHeating # @param cool_fuel [String] cooling fuel. Valid choices are # Electricity, DistrictCooling # @todo add 90.1-2013 systems 11-13 def model_add_prm_baseline_system(model, system_type, main_heat_fuel, zone_heat_fuel, cool_fuel, zones) case system_type when 'PTAC' # System 1 unless zones.empty? # Retrieve the existing hot water loop # or add a new one if necessary. hot_water_loop = nil hot_water_loop = if model.getPlantLoopByName('Hot Water Loop').is_initialized model.getPlantLoopByName('Hot Water Loop').get else model_add_hw_loop(model, main_heat_fuel) end # Add a hot water PTAC to each zone model_add_ptac(model, nil, hot_water_loop, zones, 'ConstantVolume', 'Water', 'Single Speed DX AC') end when 'PTHP' # System 2 unless zones.empty? # Add an air-source packaged terminal # heat pump with electric supplemental heat # to each zone. model_add_pthp(model, nil, zones, 'ConstantVolume') end when 'PSZ_AC' # System 3 unless zones.empty? heating_type = 'Gas' # If district heating hot_water_loop = nil if main_heat_fuel == 'DistrictHeating' heating_type = 'Water' hot_water_loop = if model.getPlantLoopByName('Hot Water Loop').is_initialized model.getPlantLoopByName('Hot Water Loop').get else model_add_hw_loop(model, main_heat_fuel) end end cooling_type = 'Single Speed DX AC' # If district cooling chilled_water_loop = nil if cool_fuel == 'DistrictCooling' cooling_type = 'Water' chilled_water_loop = if model.getPlantLoopByName('Chilled Water Loop').is_initialized model.getPlantLoopByName('Chilled Water Loop').get else model_add_chw_loop(model, 'const_pri', chiller_cooling_type = nil, chiller_condenser_type = nil, chiller_compressor_type = nil, cool_fuel, condenser_water_loop = nil, building_type = nil) end end # Add a gas-fired PSZ-AC to each zone # hvac_op_sch=nil means always on # oa_damper_sch to nil means always open model_add_psz_ac(model, sys_name = nil, hot_water_loop, chilled_water_loop, zones, hvac_op_sch = nil, oa_damper_sch = nil, fan_location = 'DrawThrough', fan_type = 'ConstantVolume', heating_type, supplemental_heating_type = 'Gas', # Should we really add supplemental heating here? cooling_type, building_type = nil) end when 'PSZ_HP' # System 4 unless zones.empty? # Add an air-source packaged single zone # heat pump with electric supplemental heat # to each zone. model_add_psz_ac(model, 'PSZ-HP', nil, nil, zones, nil, nil, 'DrawThrough', 'ConstantVolume', 'Single Speed Heat Pump', 'Electric', 'Single Speed Heat Pump', building_type = nil) end when 'PVAV_Reheat' # System 5 # Retrieve the existing hot water loop # or add a new one if necessary. hot_water_loop = nil hot_water_loop = if model.getPlantLoopByName('Hot Water Loop').is_initialized model.getPlantLoopByName('Hot Water Loop').get else model_add_hw_loop(model, main_heat_fuel) end # If district cooling chilled_water_loop = nil if cool_fuel == 'DistrictCooling' chilled_water_loop = if model.getPlantLoopByName('Chilled Water Loop').is_initialized model.getPlantLoopByName('Chilled Water Loop').get else model_add_chw_loop(model, 'const_pri', chiller_cooling_type = nil, chiller_condenser_type = nil, chiller_compressor_type = nil, cool_fuel, condenser_water_loop = nil, building_type = nil) end end # If electric zone heat electric_reheat = false if zone_heat_fuel == 'Electricity' electric_reheat = true end # Group zones by story story_zone_lists = model_group_zones_by_story(model, zones) # For the array of zones on each story, # separate the primary zones from the secondary zones. # Add the baseline system type to the primary zones # and add the suplemental system type to the secondary zones. story_zone_lists.each do |story_group| # Differentiate primary and secondary zones pri_sec_zone_lists = model_differentiate_primary_secondary_thermal_zones(model, story_group) pri_zones = pri_sec_zone_lists['primary'] sec_zones = pri_sec_zone_lists['secondary'] # Add a PVAV with Reheat for the primary zones stories = [] story_group[0].spaces.each do |space| stories << [space.buildingStory.get.name.get, building_story_minimum_z_value(space.buildingStory.get)] end story_name = stories.sort_by { |nm, z| z }[0][0] sys_name = "#{story_name} PVAV_Reheat (Sys5)" # If and only if there are primary zones to attach to the loop # counter example: floor with only one elevator machine room that get classified as sec_zones unless pri_zones.empty? model_add_pvav(model, sys_name, pri_zones, nil, nil, electric_reheat, hot_water_loop, chilled_water_loop, nil, nil) end # Add a PSZ_AC for each secondary zone unless sec_zones.empty? model_add_prm_baseline_system(model, 'PSZ_AC', main_heat_fuel, zone_heat_fuel, cool_fuel, sec_zones) end end when 'PVAV_PFP_Boxes' # System 6 # If district cooling chilled_water_loop = nil if cool_fuel == 'DistrictCooling' chilled_water_loop = if model.getPlantLoopByName('Chilled Water Loop').is_initialized model.getPlantLoopByName('Chilled Water Loop').get else model_add_chw_loop(model, 'const_pri', chiller_cooling_type = nil, chiller_condenser_type = nil, chiller_compressor_type = nil, cool_fuel, condenser_water_loop = nil, building_type = nil) end end # Group zones by story story_zone_lists = model_group_zones_by_story(model, zones) # For the array of zones on each story, # separate the primary zones from the secondary zones. # Add the baseline system type to the primary zones # and add the suplemental system type to the secondary zones. story_zone_lists.each do |story_group| # Differentiate primary and secondary zones pri_sec_zone_lists = model_differentiate_primary_secondary_thermal_zones(model, story_group) pri_zones = pri_sec_zone_lists['primary'] sec_zones = pri_sec_zone_lists['secondary'] # Add an VAV for the primary zones stories = [] story_group[0].spaces.each do |space| stories << [space.buildingStory.get.name.get, building_story_minimum_z_value(space.buildingStory.get)] end story_name = stories.sort_by { |nm, z| z }[0][0] sys_name = "#{story_name} PVAV_PFP_Boxes (Sys6)" # If and only if there are primary zones to attach to the loop unless pri_zones.empty? model_add_pvav_pfp_boxes(model, sys_name, pri_zones, nil, nil, 0.62, 0.9, OpenStudio.convert(4.0, 'inH_{2}O', 'Pa').get, chilled_water_loop, nil) end # Add a PSZ_HP for each secondary zone unless sec_zones.empty? model_add_prm_baseline_system(model, 'PSZ_HP', main_heat_fuel, zone_heat_fuel, cool_fuel, sec_zones) end end when 'VAV_Reheat' # System 7 # Retrieve the existing hot water loop # or add a new one if necessary. hot_water_loop = nil hot_water_loop = if model.getPlantLoopByName('Hot Water Loop').is_initialized model.getPlantLoopByName('Hot Water Loop').get else model_add_hw_loop(model, main_heat_fuel) end # Retrieve the existing chilled water loop # or add a new one if necessary. chilled_water_loop = nil if model.getPlantLoopByName('Chilled Water Loop').is_initialized chilled_water_loop = model.getPlantLoopByName('Chilled Water Loop').get else if cool_fuel == 'DistrictCooling' chilled_water_loop = model_add_chw_loop(model, 'const_pri', chiller_cooling_type = nil, chiller_condenser_type = nil, chiller_compressor_type = nil, cool_fuel, condenser_water_loop = nil, building_type = nil) else fan_type = model_cw_loop_cooling_tower_fan_type(model) condenser_water_loop = model_add_cw_loop(model, 'Open Cooling Tower', 'Propeller or Axial', fan_type, 1, 1, nil) chilled_water_loop = model_add_chw_loop(model, 'const_pri_var_sec', 'WaterCooled', chiller_condenser_type = nil, 'Rotary Screw', cooling_fuel = nil, condenser_water_loop, building_type = nil) end end # If electric zone heat reheat_type = 'Water' if zone_heat_fuel == 'Electricity' reheat_type = 'Electricity' end # Group zones by story story_zone_lists = model_group_zones_by_story(model, zones) # For the array of zones on each story, # separate the primary zones from the secondary zones. # Add the baseline system type to the primary zones # and add the suplemental system type to the secondary zones. story_zone_lists.each do |story_group| # The model_group_zones_by_story(model) NO LONGER returns empty lists when a given floor doesn't have any of the zones # So NO need to filter it out otherwise you get an error undefined method `spaces' for nil:NilClass # next if zones.empty? # Differentiate primary and secondary zones pri_sec_zone_lists = model_differentiate_primary_secondary_thermal_zones(model, story_group) pri_zones = pri_sec_zone_lists['primary'] sec_zones = pri_sec_zone_lists['secondary'] # Add a VAV for the primary zones stories = [] story_group[0].spaces.each do |space| stories << [space.buildingStory.get.name.get, building_story_minimum_z_value(space.buildingStory.get)] end story_name = stories.sort_by { |nm, z| z }[0][0] sys_name = "#{story_name} VAV_Reheat (Sys7)" # If and only if there are primary zones to attach to the loop # counter example: floor with only one elevator machine room that get classified as sec_zones unless pri_zones.empty? model_add_vav_reheat(model, sys_name, hot_water_loop, chilled_water_loop, pri_zones, nil, nil, 0.62, 0.9, OpenStudio.convert(4.0, 'inH_{2}O', 'Pa').get, nil, reheat_type, nil) end # Add a PSZ_AC for each secondary zone unless sec_zones.empty? model_add_prm_baseline_system(model, 'PSZ_AC', main_heat_fuel, zone_heat_fuel, cool_fuel, sec_zones) end end when 'VAV_PFP_Boxes' # System 8 # Retrieve the existing chilled water loop # or add a new one if necessary. chilled_water_loop = nil if model.getPlantLoopByName('Chilled Water Loop').is_initialized chilled_water_loop = model.getPlantLoopByName('Chilled Water Loop').get else if cool_fuel == 'DistrictCooling' chilled_water_loop = model_add_chw_loop(model, 'const_pri', chiller_cooling_type = nil, chiller_condenser_type = nil, chiller_compressor_type = nil, cool_fuel, condenser_water_loop = nil, building_type = nil) else fan_type = model_cw_loop_cooling_tower_fan_type(model) condenser_water_loop = model_add_cw_loop(model, 'Open Cooling Tower', 'Propeller or Axial', fan_type, 1, 1, nil) chilled_water_loop = model_add_chw_loop(model, 'const_pri_var_sec', 'WaterCooled', chiller_condenser_type = nil, 'Rotary Screw', cool_fueling = nil, condenser_water_loop, building_type = nil) end end # Group zones by story story_zone_lists = model_group_zones_by_story(model, zones) # For the array of zones on each story, # separate the primary zones from the secondary zones. # Add the baseline system type to the primary zones # and add the suplemental system type to the secondary zones. story_zone_lists.each do |story_group| # Differentiate primary and secondary zones pri_sec_zone_lists = model_differentiate_primary_secondary_thermal_zones(model, story_group) pri_zones = pri_sec_zone_lists['primary'] sec_zones = pri_sec_zone_lists['secondary'] # Add an VAV for the primary zones stories = [] story_group[0].spaces.each do |space| stories << [space.buildingStory.get.name.get, building_story_minimum_z_value(space.buildingStory.get)] end story_name = stories.sort_by { |nm, z| z }[0][0] sys_name = "#{story_name} VAV_PFP_Boxes (Sys8)" # If and only if there are primary zones to attach to the loop unless pri_zones.empty? model_add_vav_pfp_boxes(model, sys_name, chilled_water_loop, pri_zones, nil, nil, 0.62, 0.9, OpenStudio.convert(4.0, 'inH_{2}O', 'Pa').get) end # Add a PSZ_HP for each secondary zone unless sec_zones.empty? model_add_prm_baseline_system(model, 'PSZ_HP', main_heat_fuel, zone_heat_fuel, cool_fuel, sec_zones) end end when 'Gas_Furnace' # System 9 unless zones.empty? # If district heating hot_water_loop = nil if main_heat_fuel == 'DistrictHeating' hot_water_loop = if model.getPlantLoopByName('Hot Water Loop').is_initialized model.getPlantLoopByName('Hot Water Loop').get else model_add_hw_loop(model, main_heat_fuel) end end # Add a System 9 - Gas Unit Heater to each zone model_add_unitheater(model, nil, zones, nil, 'ConstantVolume', OpenStudio.convert(0.2, 'inH_{2}O', 'Pa').get, main_heat_fuel, hot_water_loop, nil) end when 'Electric_Furnace' # System 10 unless zones.empty? # Add a System 10 - Electric Unit Heater to each zone model_add_unitheater(model, nil, zones, nil, 'ConstantVolume', OpenStudio.convert(0.2, 'inH_{2}O', 'Pa').get, main_heat_fuel, nil, nil) end else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "System type #{system_type} is not a valid choice, nothing will be added to the model.") return false end return true end # Determines the fan type used by VAV_Reheat and VAV_PFP_Boxes systems. # Defaults to two speed fan. # @return [String] the fan type: TwoSpeed Fan, Variable Speed Fan def model_baseline_system_vav_fan_type(model) fan_type = 'TwoSpeed Fan' return fan_type end # Looks through the model and creates an hash of what the baseline # system type should be for each zone. # # @return [Hash] keys are zones, values are system type strings # PTHP, PTAC, PSZ_AC, PSZ_HP, PVAV_Reheat, PVAV_PFP_Boxes, # VAV_Reheat, VAV_PFP_Boxes, Gas_Furnace, Electric_Furnace def model_get_baseline_system_type_by_zone(model, climate_zone, custom = nil) zone_to_sys_type = {} # Get the groups of zones that define the # baseline HVAC systems for later use. # This must be done before removing the HVAC systems # because it requires knowledge of proposed HVAC fuels. sys_groups = model_prm_baseline_system_groups(model, custom) # Assign building stories to spaces in the building # where stories are not yet assigned. model_assign_spaces_to_stories(model) # Determine the baseline HVAC system type for each of # the groups of zones and add that system type. sys_groups.each do |sys_group| # Determine the primary baseline system type pri_system_type = model_prm_baseline_system_type(model, climate_zone, sys_group['occ'], sys_group['fuel'], sys_group['area_ft2'], sys_group['stories'], custom)[0] # Record the zone-by-zone system type assignments case pri_system_type when 'PTAC', 'PTHP', 'PSZ_AC', 'PSZ_HP', 'Gas_Furnace', 'Electric_Furnace' sys_group['zones'].each do |zone| zone_to_sys_type[zone] = pri_system_type end when 'PVAV_Reheat', 'PVAV_PFP_Boxes', 'VAV_Reheat', 'VAV_PFP_Boxes' # Determine the secondary system type sec_system_type = nil case pri_system_type when 'PVAV_Reheat', 'VAV_Reheat' sec_system_type = 'PSZ_AC' when 'PVAV_PFP_Boxes', 'VAV_PFP_Boxes' sec_system_type = 'PSZ_HP' end # Group zones by story story_zone_lists = model_group_zones_by_story(model, sys_group['zones']) # For the array of zones on each story, # separate the primary zones from the secondary zones. # Add the baseline system type to the primary zones # and add the suplemental system type to the secondary zones. story_zone_lists.each do |zones| # Differentiate primary and secondary zones pri_sec_zone_lists = model_differentiate_primary_secondary_thermal_zones(model, zones) # Record the primary zone system types pri_sec_zone_lists['primary'].each do |zone| zone_to_sys_type[zone] = pri_system_type end # Record the secondary zone system types pri_sec_zone_lists['secondary'].each do |zone| zone_to_sys_type[zone] = sec_system_type end end end end return zone_to_sys_type end # @param array_of_zones [Array] an array of Hashes for each zone, # with the keys 'zone', def model_eliminate_outlier_zones(model, array_of_zones, key_to_inspect, tolerance, field_name, units) # Sort the zones by the desired key array_of_zones = array_of_zones.sort_by { |hsh| hsh[key_to_inspect] } # Calculate the area-weighted average total = 0.0 total_area = 0.0 all_vals = [] all_areas = [] all_zn_names = [] array_of_zones.each do |zn| val = zn[key_to_inspect] area = zn['area_ft2'] total += val * area total_area += area all_vals << val.round(1) all_areas << area.round all_zn_names << zn['zone'].name.get.to_s end avg = total / total_area OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "Values for #{field_name}, tol = #{tolerance} #{units}, area ft2:") OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "vals #{all_vals.join(', ')}") OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "areas #{all_areas.join(', ')}") OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "names #{all_zn_names.join(', ')}") # Calculate the biggest delta # and the index of the biggest delta biggest_delta_i = nil biggest_delta = 0.0 worst = nil array_of_zones.each_with_index do |zn, i| val = zn[key_to_inspect] delta = (val - avg).abs if delta >= biggest_delta biggest_delta = delta biggest_delta_i = i worst = val end end # puts " #{worst} - #{avg.round} = #{biggest_delta.round} biggest delta" # Compare the biggest delta # against the difference and # eliminate that zone if higher # than the limit. if biggest_delta > tolerance zn_name = array_of_zones[biggest_delta_i]['zone'].name.get.to_s OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For zone #{zn_name}, the #{field_name} of #{worst.round(1)} #{units} is more than #{tolerance} #{units} outside the area-weighted average of #{avg.round(1)} #{units}; it will be placed on its own secondary system.") array_of_zones.delete_at(biggest_delta_i) # Call method recursively if something was eliminated array_of_zones = model_eliminate_outlier_zones(model, array_of_zones, key_to_inspect, tolerance, field_name, units) else # OpenStudio::logFree(OpenStudio::Debug, 'openstudio.standards.Model', "#{worst.round(1)} - #{avg.round(1)} = #{biggest_delta.round(1)} #{units} < tolerance of #{tolerance} #{units}, stopping elimination process.") OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "#{worst} - #{avg} = #{biggest_delta} #{units} < tolerance of #{tolerance} #{units}, stopping elimination process.") end return array_of_zones end # Determine which of the zones # should be served by the primary HVAC system. # First, eliminate zones that differ by more # than 40 full load hours per week. In this case, # lighting schedule is used as the proxy for operation # instead of occupancy to avoid accidentally removing # transition spaces. Second, eliminate zones whose # design internal loads differ from the # area-weighted average of all other zones # on the system by more than 10 Btu/hr*ft^2. # # @return [Hash] A hash of two arrays of ThermalZones, # where the keys are 'primary' and 'secondary' def model_differentiate_primary_secondary_thermal_zones(model, zones) OpenStudio.logFree(OpenStudio::Info, 'openstudio.Standards.Model', 'Determining which zones are served by the primary vs. secondary HVAC system.') # Determine the operational hours (proxy is annual # full load lighting hours) for all zones zone_data_1 = [] zones.each do |zone| data = {} data['zone'] = zone # Get the area area_ft2 = OpenStudio.convert(zone.floorArea * zone.multiplier, 'm^2', 'ft^2').get data['area_ft2'] = area_ft2 # OpenStudio::logFree(OpenStudio::Info, "openstudio.Standards.Model", "#{zone.name}") zone.spaces.each do |space| # OpenStudio::logFree(OpenStudio::Info, "openstudio.Standards.Model", "***#{space.name}") # Get all lights from either the space # or the space type. all_lights = [] all_lights += space.lights if space.spaceType.is_initialized all_lights += space.spaceType.get.lights end # Base the annual operational hours # on the first lights schedule with hours # greater than zero. ann_op_hrs = 0 all_lights.sort.each do |lights| # OpenStudio::logFree(OpenStudio::Info, "openstudio.Standards.Model", "******#{lights.name}") # Get the fractional lighting schedule lights_sch = lights.schedule full_load_hrs = 0.0 # Skip lights with no schedule next if lights_sch.empty? lights_sch = lights_sch.get if lights_sch.to_ScheduleRuleset.is_initialized lights_sch = lights_sch.to_ScheduleRuleset.get full_load_hrs = schedule_ruleset_annual_equivalent_full_load_hrs(lights_sch) if full_load_hrs > 0 ann_op_hrs = full_load_hrs break # Stop after the first schedule with more than 0 hrs end elsif lights_sch.to_ScheduleConstant.is_initialized lights_sch = lights_sch.to_ScheduleConstant.get full_load_hrs = schedule_constant_annual_equivalent_full_load_hrs(lights_sch) if full_load_hrs > 0 ann_op_hrs = full_load_hrs break # Stop after the first schedule with more than 0 hrs end end end wk_op_hrs = ann_op_hrs / 52.0 data['wk_op_hrs'] = wk_op_hrs # OpenStudio::logFree(OpenStudio::Info, "openstudio.Standards.Model", "******wk_op_hrs = #{wk_op_hrs.round}") end zone_data_1 << data end # Filter out any zones that operate differently by more # than 40hrs/wk. This will be determined by a difference of more # than (40 hrs/wk * 52 wks/yr) = 2080 annual full load hrs. zones_same_hrs = model_eliminate_outlier_zones(model, zone_data_1, 'wk_op_hrs', 40, 'weekly operating hrs', 'hrs') # Get the internal loads for # all remaining zones. zone_data_2 = [] zones_same_hrs.each do |zn_data| data = {} zone = zn_data['zone'] data['zone'] = zone # Get the area area_m2 = zone.floorArea * zone.multiplier area_ft2 = OpenStudio.convert(area_m2, 'm^2', 'ft^2').get data['area_ft2'] = area_ft2 # Get the internal loads int_load_w = thermal_zone_design_internal_load(zone) # Normalize per-area int_load_w_per_m2 = int_load_w / area_m2 int_load_btu_per_ft2 = OpenStudio.convert(int_load_w_per_m2, 'W/m^2', 'Btu/hr*ft^2').get data['int_load_btu_per_ft2'] = int_load_btu_per_ft2 zone_data_2 << data end # Filter out any zones that are +/- 10 Btu/hr*ft^2 from the average pri_zn_data = model_eliminate_outlier_zones(model, zone_data_2, 'int_load_btu_per_ft2', 10, 'internal load', 'Btu/hr*ft^2') # Get just the primary zones themselves pri_zones = [] pri_zone_names = [] pri_zn_data.each do |zn_data| pri_zones << zn_data['zone'] pri_zone_names << zn_data['zone'].name.get.to_s end # Get the secondary zones sec_zones = [] sec_zone_names = [] zones.each do |zone| unless pri_zones.include?(zone) sec_zones << zone sec_zone_names << zone.name.get.to_s end end # Report out the primary vs. secondary zones unless pri_zone_names.empty? OpenStudio.logFree(OpenStudio::Info, 'openstudio.Standards.Model', "Primary system zones = #{pri_zone_names.join(', ')}.") end unless sec_zone_names.empty? OpenStudio.logFree(OpenStudio::Info, 'openstudio.Standards.Model', "Secondary system zones = #{sec_zone_names.join(', ')}.") end return { 'primary' => pri_zones, 'secondary' => sec_zones } end # Group an array of zones into multiple arrays, one # for each story in the building. Zones with spaces on multiple stories # will be assigned to only one of the stories. # Removes empty array (when the story doesn't contain any of the zones) # @return [Array>] array of arrays of zones def model_group_zones_by_story(model, zones) story_zone_lists = [] zones_already_assigned = [] model.getBuildingStorys.sort.each do |story| # Get all the spaces on this story spaces = story.spaces # Get all the thermal zones that serve these spaces all_zones_on_story = [] spaces.each do |space| if space.thermalZone.is_initialized all_zones_on_story << space.thermalZone.get else OpenStudio.logFree(OpenStudio::Warn, 'openstudio.Standards.Model', "Space #{space.name} has no thermal zone, it is not included in the simulation.") end end # Find zones in the list that are on this story zones_on_story = [] zones.each do |zone| if all_zones_on_story.include?(zone) # Skip zones that were already assigned to a story. # This can happen if a zone has multiple spaces on multiple stories. # Stairwells and atriums are typical scenarios. next if zones_already_assigned.include?(zone) zones_on_story << zone zones_already_assigned << zone end end unless zones_on_story.empty? story_zone_lists << zones_on_story end end return story_zone_lists end # Assign each space in the model to a building story # based on common z (height) values. If no story # object is found for a particular height, create a new one # and assign it to the space. Does not assign a story # to plenum spaces. # # @return [Bool] returns true if successful, false if not. def model_assign_spaces_to_stories(model) # Make hash of spaces and minz values sorted_spaces = {} model.getSpaces.sort.each do |space| # Skip plenum spaces next if space_plenum?(space) # loop through space surfaces to find min z value z_points = [] space.surfaces.each do |surface| surface.vertices.each do |vertex| z_points << vertex.z end end minz = z_points.min + space.zOrigin sorted_spaces[space] = minz end # Pre-sort spaces sorted_spaces = sorted_spaces.sort_by { |a| a[1] } # Take the sorted list and assign/make stories sorted_spaces.each do |space| space_obj = space[0] space_minz = space[1] if space_obj.buildingStory.empty? story = model_get_story_for_nominal_z_coordinate(model, space_minz) space_obj.setBuildingStory(story) OpenStudio.logFree(OpenStudio::Warn, 'openstudio.Standards.Model', "Space #{space[0].name} was not assigned to a story by the user. It has been assigned to #{story.name}.") end end return true end # Creates a construction set with the construction types specified in the # Performance Rating Method (aka Appendix G aka LEED) and adds it to the model. # This method creates and adds the constructions and their materials as well. # # @param category [String] the construction set category desired. # Valid choices are Nonresidential, Residential, and Semiheated # @return [OpenStudio::Model::DefaultConstructionSet] returns a default # construction set populated with the specified constructions. def model_add_prm_construction_set(model, category) construction_set = OpenStudio::Model::OptionalDefaultConstructionSet.new # Find the climate zone set that this climate zone falls into climate_zone_set = model_find_climate_zone_set(model, clim) unless climate_zone_set return construction_set end # Get the object data data = model_find_object(standards_data['construction_sets'], 'template' => template, 'climate_zone_set' => climate_zone_set, 'building_type' => building_type, 'space_type' => spc_type, 'is_residential' => is_residential) unless data data = model_find_object(standards_data['construction_sets'], 'template' => template, 'climate_zone_set' => climate_zone_set, 'building_type' => building_type, 'space_type' => spc_type) unless data return construction_set end end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Adding construction set: #{template}-#{clim}-#{building_type}-#{spc_type}-is_residential#{is_residential}") name = model_make_name(model, clim, building_type, spc_type) # Create a new construction set and name it construction_set = OpenStudio::Model::DefaultConstructionSet.new(model) construction_set.setName(name) # Specify the types of constructions # Exterior surfaces constructions exterior_floor_standards_construction_type = 'SteelFramed' exterior_wall_standards_construction_type = 'SteelFramed' exterior_roof_standards_construction_type = 'IEAD' # Ground contact surfaces constructions ground_contact_floor_standards_construction_type = 'Unheated' ground_contact_wall_standards_construction_type = 'Mass' # Exterior sub surfaces constructions exterior_fixed_window_standards_construction_type = 'IEAD' exterior_operable_window_standards_construction_type = 'IEAD' exterior_door_standards_construction_type = 'IEAD' exterior_overhead_door_standards_construction_type = 'IEAD' exterior_skylight_standards_construction_type = 'IEAD' # Exterior surfaces constructions exterior_surfaces = OpenStudio::Model::DefaultSurfaceConstructions.new(model) construction_set.setDefaultExteriorSurfaceConstructions(exterior_surfaces) exterior_surfaces.setFloorConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorFloor', exterior_floor_standards_construction_type, category)) exterior_surfaces.setWallConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorWall', exterior_wall_standards_construction_type, category)) exterior_surfaces.setRoofCeilingConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorRoof', exterior_roof_standards_construction_type, category)) # Interior surfaces constructions interior_surfaces = OpenStudio::Model::DefaultSurfaceConstructions.new(model) construction_set.setDefaultInteriorSurfaceConstructions(interior_surfaces) construction_name = interior_floors unless construction_name.nil? interior_surfaces.setFloorConstruction(model_add_construction(model, construction_name)) end construction_name = interior_walls unless construction_name.nil? interior_surfaces.setWallConstruction(model_add_construction(model, construction_name)) end construction_name = interior_ceilings unless construction_name.nil? interior_surfaces.setRoofCeilingConstruction(model_add_construction(model, construction_name)) end # Ground contact surfaces constructions ground_surfaces = OpenStudio::Model::DefaultSurfaceConstructions.new(model) construction_set.setDefaultGroundContactSurfaceConstructions(ground_surfaces) ground_surfaces.setFloorConstruction(model_find_and_add_construction(model, climate_zone_set, 'GroundContactFloor', ground_contact_floor_standards_construction_type, category)) ground_surfaces.setWallConstruction(model_find_and_add_construction(model, climate_zone_set, 'GroundContactWall', ground_contact_wall_standards_construction_type, category)) # Exterior sub surfaces constructions exterior_subsurfaces = OpenStudio::Model::DefaultSubSurfaceConstructions.new(model) construction_set.setDefaultExteriorSubSurfaceConstructions(exterior_subsurfaces) if exterior_fixed_window_standards_construction_type && exterior_fixed_window_building_category exterior_subsurfaces.setFixedWindowConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorWindow', exterior_fixed_window_standards_construction_type, category)) end if exterior_operable_window_standards_construction_type && exterior_operable_window_building_category exterior_subsurfaces.setOperableWindowConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorWindow', exterior_operable_window_standards_construction_type, category)) end if exterior_door_standards_construction_type && exterior_door_building_category exterior_subsurfaces.setDoorConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorDoor', exterior_door_standards_construction_type, category)) end construction_name = exterior_glass_doors unless construction_name.nil? exterior_subsurfaces.setGlassDoorConstruction(model_add_construction(model, construction_name)) end if exterior_overhead_door_standards_construction_type && exterior_overhead_door_building_category exterior_subsurfaces.setOverheadDoorConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorDoor', exterior_overhead_door_standards_construction_type, category)) end if exterior_skylight_standards_construction_type && exterior_skylight_building_category exterior_subsurfaces.setSkylightConstruction(model_find_and_add_construction(model, climate_zone_set, 'Skylight', exterior_skylight_standards_construction_type, category)) end if construction_name == tubular_daylight_domes exterior_subsurfaces.setTubularDaylightDomeConstruction(model_add_construction(model, construction_name)) end if construction_name == tubular_daylight_diffusers exterior_subsurfaces.setTubularDaylightDiffuserConstruction(model_add_construction(model, construction_name)) end # Interior sub surfaces constructions interior_subsurfaces = OpenStudio::Model::DefaultSubSurfaceConstructions.new(model) construction_set.setDefaultInteriorSubSurfaceConstructions(interior_subsurfaces) if construction_name == interior_fixed_windows interior_subsurfaces.setFixedWindowConstruction(model_add_construction(model, construction_name)) end if construction_name == interior_operable_windows interior_subsurfaces.setOperableWindowConstruction(model_add_construction(model, construction_name)) end if construction_name == interior_doors interior_subsurfaces.setDoorConstruction(model_add_construction(model, construction_name)) end # Other constructions if construction_name == interior_partitions construction_set.setInteriorPartitionConstruction(model_add_construction(model, construction_name)) end if construction_name == space_shading construction_set.setSpaceShadingConstruction(model_add_construction(model, construction_name)) end if construction_name == building_shading construction_set.setBuildingShadingConstruction(model_add_construction(model, construction_name)) end if construction_name == site_shading construction_set.setSiteShadingConstruction(model_add_construction(model, construction_name)) end # componentize the construction set # construction_set_component = construction_set.createComponent # Return the construction set return OpenStudio::Model::OptionalDefaultConstructionSet.new(construction_set) # Create a constuction set that is all end # Applies the multi-zone VAV outdoor air sizing requirements # to all applicable air loops in the model. # # @note This must be performed before the sizing run because # it impacts component sizes, which in turn impact efficiencies. def model_apply_multizone_vav_outdoor_air_sizing(model) OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started applying multizone vav OA sizing.') # Multi-zone VAV outdoor air sizing model.getAirLoopHVACs.sort.each { |obj| air_loop_hvac_apply_multizone_vav_outdoor_air_sizing(obj) } OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished applying multizone vav OA sizing.') end # Applies the HVAC parts of the template to all objects in the model # using the the template specified in the model. def model_apply_hvac_efficiency_standard(model, climate_zone) sql_db_vars_map = {} OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started applying HVAC efficiency standards.') # Air Loop Controls model.getAirLoopHVACs.sort.each { |obj| air_loop_hvac_apply_standard_controls(obj, climate_zone) } # Plant Loop Controls # TODO refactor: enable this code (missing before refactor) # getPlantLoops.sort.each { |obj| plant_loop_apply_standard_controls(obj, template, climate_zone) } ##### Apply equipment efficiencies # Fans model.getFanVariableVolumes.sort.each { |obj| fan_apply_standard_minimum_motor_efficiency(obj, fan_brake_horsepower(obj)) } model.getFanConstantVolumes.sort.each { |obj| fan_apply_standard_minimum_motor_efficiency(obj, fan_brake_horsepower(obj)) } model.getFanOnOffs.sort.each { |obj| fan_apply_standard_minimum_motor_efficiency(obj, fan_brake_horsepower(obj)) } model.getFanZoneExhausts.sort.each { |obj| fan_apply_standard_minimum_motor_efficiency(obj, fan_brake_horsepower(obj)) } # Pumps model.getPumpConstantSpeeds.sort.each { |obj| pump_apply_standard_minimum_motor_efficiency(obj) } model.getPumpVariableSpeeds.sort.each { |obj| pump_apply_standard_minimum_motor_efficiency(obj) } model.getHeaderedPumpsConstantSpeeds.sort.each { |obj| pump_apply_standard_minimum_motor_efficiency(obj) } model.getHeaderedPumpsVariableSpeeds.sort.each { |obj| pump_apply_standard_minimum_motor_efficiency(obj) } # Unitary HPs # set DX HP coils before DX clg coils because when DX HP coils need to first # pull the capacities of their paried DX clg coils, and this does not work # correctly if the DX clg coil efficiencies have been set because they are renamed. model.getCoilHeatingDXSingleSpeeds.sort.each { |obj| sql_db_vars_map = coil_heating_dx_single_speed_apply_efficiency_and_curves(obj, sql_db_vars_map) } # Unitary ACs model.getCoilCoolingDXTwoSpeeds.sort.each { |obj| sql_db_vars_map = coil_cooling_dx_two_speed_apply_efficiency_and_curves(obj, sql_db_vars_map) } model.getCoilCoolingDXSingleSpeeds.sort.each { |obj| sql_db_vars_map = coil_cooling_dx_single_speed_apply_efficiency_and_curves(obj, sql_db_vars_map) } # Chillers clg_tower_objs = model.getCoolingTowerSingleSpeeds model.getChillerElectricEIRs.sort.each { |obj| chiller_electric_eir_apply_efficiency_and_curves(obj, clg_tower_objs) } # Boilers model.getBoilerHotWaters.sort.each { |obj| boiler_hot_water_apply_efficiency_and_curves(obj) } # Water Heaters model.getWaterHeaterMixeds.sort.each { |obj| water_heater_mixed_apply_efficiency(obj) } # Cooling Towers model.getCoolingTowerSingleSpeeds.sort.each { |obj| cooling_tower_single_speed_apply_efficiency_and_curves(obj) } model.getCoolingTowerTwoSpeeds.sort.each { |obj| cooling_tower_two_speed_apply_efficiency_and_curves(obj) } model.getCoolingTowerVariableSpeeds.sort.each { |obj| cooling_tower_variable_speed_apply_efficiency_and_curves(obj) } # ERVs model.getHeatExchangerAirToAirSensibleAndLatents.each { |obj| heat_exchanger_air_to_air_sensible_and_latent_apply_efficiency(obj) } OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished applying HVAC efficiency standards.') end # Applies daylighting controls to each space in the model # per the standard. def model_add_daylighting_controls(model) OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started adding daylighting controls.') # Add daylighting controls to each space model.getSpaces.sort.each do |space| added = space_add_daylighting_controls(space, false, false) end OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished adding daylighting controls.') end # Apply the air leakage requirements to the model, # as described in PNNL section 5.2.1.6. This method # creates customized infiltration objects for each space # and removes the SpaceType-level infiltration objects. # # base infiltration rates off of. # @return [Bool] true if successful, false if not # @todo This infiltration method is not used by the Reference # buildings, fix this inconsistency. def model_apply_infiltration_standard(model) # Set the infiltration rate at each space model.getSpaces.sort.each do |space| space_apply_infiltration_rate(space) end # Remove infiltration rates set at the space type model.getSpaceTypes.sort.each do |space_type| space_type.spaceInfiltrationDesignFlowRates.each(&:remove) end return true end # Method to search through a hash for the objects that meets the # desired search criteria, as passed via a hash. # Returns an Array (empty if nothing found) of matching objects. # # @param hash_of_objects [Hash] hash of objects to search through # @param search_criteria [Hash] hash of search criteria # @param capacity [Double] capacity of the object in question. If capacity is supplied, # the objects will only be returned if the specified capacity is between # the minimum_capacity and maximum_capacity values. # @return [Array] returns an array of hashes, one hash per object. Array is empty if no results. # @example Find all the schedule rules that match the name # rules = model_find_objects(self, standards_data['schedules'], {'name'=>schedule_name}) # if rules.size == 0 # OpenStudio::logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Cannot find data for schedule: #{schedule_name}, will not be created.") # return false #TODO change to return empty optional schedule:ruleset? # end def model_find_objects(hash_of_objects, search_criteria, capacity = nil) # matching_objects = hash_of_objects.clone # #new # puts "searching" # puts search_criteria # raise ("hash of objects is nil or empty. #{hash_of_objects}") if hash_of_objects.nil? || hash_of_objects.empty? || matching_objects[0].nil? # # search_criteria.each do |key,value| # puts "#{key}-#{value}" # puts matching_objects.size # #if size has already reduced to zero. Get out of loop. # break if matching_objects.size == 0 # #if there are no keys that match, skip search... (This seems odd) # next unless matching_objects[0].has_key?(key) # matching_objects.select!{ |k| k[key] == value } # end # if not capacity.nil? # puts "Capacity = #{capacity}" # capacity = capacity + (capacity * 0.01) if capacity == capacity.round # matching_objects.select!{|k| capacity.to_f > k['minimum_capacity'].to_f} # matching_objects.select!{|k| capacity.to_f <= k['maximum_capacity'].to_f} # end # # # # Check the number of matching objects found # if matching_objects.size == 0 # OpenStudio::logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Find objects search criteria returned no results. Search criteria: #{search_criteria}, capacity = #{capacity}. Called from #{caller(0)[1]}.") # # end # new_matching_objects = matching_objects # old desired_object = nil search_criteria_matching_objects = [] matching_objects = [] if hash_of_objects.is_a?(Hash) and hash_of_objects.key?('table') hash_of_objects = hash_of_objects['table'] end # Compare each of the objects against the search criteria hash_of_objects.each do |object| meets_all_search_criteria = true search_criteria.each do |key, value| # Don't check non-existent search criteria next unless object.key?(key) # Stop as soon as one of the search criteria is not met # 'Any' is a special key that matches anything unless object[key] == value || object[key] == 'Any' meets_all_search_criteria = false break end end # Skip objects that don't meet all search criteria next if meets_all_search_criteria == false # If made it here, object matches all search criteria search_criteria_matching_objects << object end # If capacity was specified, narrow down the matching objects if capacity.nil? matching_objects = search_criteria_matching_objects else # Round up if capacity is an integer if capacity == capacity.round capacity += (capacity * 0.01) end search_criteria_matching_objects.each do |object| # Skip objects that don't have fields for minimum_capacity and maximum_capacity next if !object.key?('minimum_capacity') || !object.key?('maximum_capacity') # Skip objects that don't have values specified for minimum_capacity and maximum_capacity next if object['minimum_capacity'].nil? || object['maximum_capacity'].nil? # Skip objects whose the minimum capacity is below the specified capacity next if capacity.to_f <= object['minimum_capacity'].to_f # Skip objects whose max next if capacity.to_f > object['maximum_capacity'].to_f # Found a matching object matching_objects << object end # If no object was found, round the capacity down a little # to avoid issues where the number fell between the limits # in the json file. if matching_objects.size.zero? capacity *= 0.99 search_criteria_matching_objects.each do |object| # Skip objects that don't have fields for minimum_capacity and maximum_capacity next if !object.key?('minimum_capacity') || !object.key?('maximum_capacity') # Skip objects that don't have values specified for minimum_capacity and maximum_capacity next if object['minimum_capacity'].nil? || object['maximum_capacity'].nil? # Skip objects whose the minimum capacity is below the specified capacity next if capacity <= object['minimum_capacity'].to_f # Skip objects whose max next if capacity > object['maximum_capacity'].to_f # Found a matching object matching_objects << object end end end # Check the number of matching objects found if matching_objects.size.zero? desired_object = nil # OpenStudio::logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Find objects search criteria returned no results. Search criteria: #{search_criteria}, capacity = #{capacity}. Called from #{caller(0)[1]}.") end # if new_matching_objects != matching_objects # puts "new..." # puts new_matching_objects # puts "is not.." # puts matching_objects # raise ("Hell") # end return matching_objects end # Method to search through a hash for an object that meets the # desired search criteria, as passed via a hash. If capacity is supplied, # the object will only be returned if the specified capacity is between # the minimum_capacity and maximum_capacity values. # # # @param hash_of_objects [Hash] hash of objects to search through # @param search_criteria [Hash] hash of search criteria # @param capacity [Double] capacity of the object in question. If capacity is supplied, # the objects will only be returned if the specified capacity is between # the minimum_capacity and maximum_capacity values. # @return [Hash] Return tbe first matching object hash if successful, nil if not. # @example Find the motor that meets these size criteria # search_criteria = { # 'template' => template, # 'number_of_poles' => 4.0, # 'type' => 'Enclosed', # } # motor_properties = self.model.find_object(motors, search_criteria, 2.5) def model_find_object(hash_of_objects, search_criteria, capacity = nil, date = nil) # new_matching_objects = model_find_objects(self, hash_of_objects, search_criteria, capacity) if hash_of_objects.is_a?(Hash) and hash_of_objects.key?('table') hash_of_objects = hash_of_objects['table'] end desired_object = nil search_criteria_matching_objects = [] matching_objects = [] # Compare each of the objects against the search criteria hash_of_objects.each do |object| meets_all_search_criteria = true search_criteria.each do |key, value| # Don't check non-existent search criteria next unless object.key?(key) # Stop as soon as one of the search criteria is not met # 'Any' is a special key that matches anything unless object[key] == value || object[key] == 'Any' meets_all_search_criteria = false break end end # Skip objects that don't meet all search criteria next unless meets_all_search_criteria # If made it here, object matches all search criteria search_criteria_matching_objects << object end # If capacity was specified, narrow down the matching objects if capacity.nil? matching_objects = search_criteria_matching_objects else # Round up if capacity is an integer if capacity == capacity.round capacity += (capacity * 0.01) end search_criteria_matching_objects.each do |object| # Skip objects that don't have fields for minimum_capacity and maximum_capacity next if !object.key?('minimum_capacity') || !object.key?('maximum_capacity') # Skip objects that don't have values specified for minimum_capacity and maximum_capacity next if object['minimum_capacity'].nil? || object['maximum_capacity'].nil? # Skip objects whose the minimum capacity is below the specified capacity next if capacity <= object['minimum_capacity'].to_f # Skip objects whose max next if capacity > object['maximum_capacity'].to_f # Found a matching object matching_objects << object end # If no object was found, round the capacity down a little # to avoid issues where the number fell between the limits # in the json file. if matching_objects.size.zero? capacity *= 0.99 search_criteria_matching_objects.each do |object| # Skip objects that don't have fields for minimum_capacity and maximum_capacity next if !object.key?('minimum_capacity') || !object.key?('maximum_capacity') # Skip objects that don't have values specified for minimum_capacity and maximum_capacity next if object['minimum_capacity'].nil? || object['maximum_capacity'].nil? # Skip objects whose the minimum capacity is below the specified capacity next if capacity <= object['minimum_capacity'].to_f # Skip objects whose max next if capacity > object['maximum_capacity'].to_f # Found a matching object matching_objects << object end end end # If date was specified, narrow down the matching objects unless date.nil? date_matching_objects = [] matching_objects.each do |object| # Skip objects that don't have fields for minimum_capacity and maximum_capacity next if !object.key?('start_date') || !object.key?('end_date') # Skip objects whose the start date is earlier than the specified date next if date <= Date.parse(object['start_date']) # Skip objects whose end date is beyond the specified date next if date > Date.parse(object['end_date']) # Found a matching object date_matching_objects << object end matching_objects = date_matching_objects end # Check the number of matching objects found if matching_objects.size.zero? desired_object = nil # OpenStudio::logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Find object search criteria returned no results. Search criteria: #{search_criteria}, capacity = #{capacity}. Called from #{caller(0)[1]}") elsif matching_objects.size == 1 desired_object = matching_objects[0] else desired_object = matching_objects[0] OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Find object search criteria returned #{matching_objects.size} results, the first one will be returned. Called from #{caller(0)[1]}. \n Search criteria: \n #{search_criteria}, capacity = #{capacity} \n All results: \n #{matching_objects.join("\n")}") end return desired_object end # Create constant ScheduleRuleset # # @param value [double] the value to use, 24-7, 365 # @param name [string] the name of the schedule # @return schedule def model_add_constant_schedule_ruleset(model, value, name = nil) schedule = OpenStudio::Model::ScheduleRuleset.new(model) unless name.nil? schedule.setName(name) schedule.defaultDaySchedule.setName("#{name} Default") end schedule.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 24, 0, 0), value) return schedule end # Create a schedule from the openstudio standards dataset and # add it to the model. # # @param schedule_name [String} name of the schedule # @return [ScheduleRuleset] the resulting schedule ruleset # @todo make return an OptionalScheduleRuleset def model_add_schedule(model, schedule_name) return nil if schedule_name.nil? || schedule_name == '' # First check model and return schedule if it already exists model.getSchedules.sort.each do |schedule| if schedule.name.get.to_s == schedule_name OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "Already added schedule: #{schedule_name}") return schedule end end require 'date' # OpenStudio::logFree(OpenStudio::Info, 'openstudio.standards.Model', "Adding schedule: #{schedule_name}") # Find all the schedule rules that match the name rules = model_find_objects(standards_data['schedules'], 'name' => schedule_name) if rules.size.zero? OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Cannot find data for schedule: #{schedule_name}, will not be created.") sch_ruleset = OpenStudio::Model::ScheduleRuleset.new(model) sch_ruleset.setName("NOT ACTUALLY #{schedule_name}") return sch_ruleset end # Make a schedule ruleset sch_ruleset = OpenStudio::Model::ScheduleRuleset.new( model ) sch_ruleset.setName(schedule_name.to_s) # Loop through the rules, making one for each row in the spreadsheet rules.each do |rule| day_types = rule['day_types'] start_date = DateTime.parse(rule['start_date']) end_date = DateTime.parse(rule['end_date']) sch_type = rule['type'] values = rule['values'] # Day Type choices: Wkdy, Wknd, Mon, Tue, Wed, Thu, Fri, Sat, Sun, WntrDsn, SmrDsn, Hol # Default if day_types.include?('Default') day_sch = sch_ruleset.defaultDaySchedule day_sch.setName("#{schedule_name} Default") model_add_vals_to_sch(model, day_sch, sch_type, values) end # Winter Design Day if day_types.include?('WntrDsn') day_sch = OpenStudio::Model::ScheduleDay.new(model) sch_ruleset.setWinterDesignDaySchedule(day_sch) day_sch = sch_ruleset.winterDesignDaySchedule day_sch.setName("#{schedule_name} Winter Design Day") model_add_vals_to_sch(model, day_sch, sch_type, values) end # Summer Design Day if day_types.include?('SmrDsn') day_sch = OpenStudio::Model::ScheduleDay.new(model) sch_ruleset.setSummerDesignDaySchedule(day_sch) day_sch = sch_ruleset.summerDesignDaySchedule day_sch.setName("#{schedule_name} Summer Design Day") model_add_vals_to_sch(model, day_sch, sch_type, values) end # Other days (weekdays, weekends, etc) if day_types.include?('Wknd') || day_types.include?('Wkdy') || day_types.include?('Sat') || day_types.include?('Sun') || day_types.include?('Mon') || day_types.include?('Tue') || day_types.include?('Wed') || day_types.include?('Thu') || day_types.include?('Fri') # Make the Rule sch_rule = OpenStudio::Model::ScheduleRule.new(sch_ruleset) day_sch = sch_rule.daySchedule day_sch.setName("#{schedule_name} #{day_types} Day") model_add_vals_to_sch(model, day_sch, sch_type, values) # Set the dates when the rule applies sch_rule.setStartDate(OpenStudio::Date.new(OpenStudio::MonthOfYear.new(start_date.month.to_i), start_date.day.to_i)) sch_rule.setEndDate(OpenStudio::Date.new(OpenStudio::MonthOfYear.new(end_date.month.to_i), end_date.day.to_i)) # Set the days when the rule applies # Weekends if day_types.include?('Wknd') sch_rule.setApplySaturday(true) sch_rule.setApplySunday(true) end # Weekdays if day_types.include?('Wkdy') sch_rule.setApplyMonday(true) sch_rule.setApplyTuesday(true) sch_rule.setApplyWednesday(true) sch_rule.setApplyThursday(true) sch_rule.setApplyFriday(true) end # Individual Days sch_rule.setApplyMonday(true) if day_types.include?('Mon') sch_rule.setApplyTuesday(true) if day_types.include?('Tue') sch_rule.setApplyWednesday(true) if day_types.include?('Wed') sch_rule.setApplyThursday(true) if day_types.include?('Thu') sch_rule.setApplyFriday(true) if day_types.include?('Fri') sch_rule.setApplySaturday(true) if day_types.include?('Sat') sch_rule.setApplySunday(true) if day_types.include?('Sun') end end # Next rule return sch_ruleset end # Create a material from the openstudio standards dataset. # @todo make return an OptionalMaterial def model_add_material(model, material_name) # First check model and return material if it already exists model.getMaterials.sort.each do |material| if material.name.get.to_s == material_name OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "Already added material: #{material_name}") return material end end # OpenStudio::logFree(OpenStudio::Info, 'openstudio.standards.Model', "Adding material: #{material_name}") # Get the object data data = model_find_object(standards_data['materials'], 'name' => material_name) unless data OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Cannot find data for material: #{material_name}, will not be created.") return false # TODO: change to return empty optional material end material = nil material_type = data['material_type'] if material_type == 'StandardOpaqueMaterial' material = OpenStudio::Model::StandardOpaqueMaterial.new(model) material.setName(material_name) material.setRoughness(data['roughness'].to_s) material.setThickness(OpenStudio.convert(data['thickness'].to_f, 'in', 'm').get) material.setConductivity(OpenStudio.convert(data['conductivity'].to_f, 'Btu*in/hr*ft^2*R', 'W/m*K').get) material.setDensity(OpenStudio.convert(data['density'].to_f, 'lb/ft^3', 'kg/m^3').get) material.setSpecificHeat(OpenStudio.convert(data['specific_heat'].to_f, 'Btu/lb*R', 'J/kg*K').get) material.setThermalAbsorptance(data['thermal_absorptance'].to_f) material.setSolarAbsorptance(data['solar_absorptance'].to_f) material.setVisibleAbsorptance(data['visible_absorptance'].to_f) elsif material_type == 'MasslessOpaqueMaterial' material = OpenStudio::Model::MasslessOpaqueMaterial.new(model) material.setName(material_name) material.setThermalResistance(OpenStudio.convert(data['resistance'].to_f, 'hr*ft^2*R/Btu', 'm^2*K/W').get) material.setConductivity(OpenStudio.convert(data['conductivity'].to_f, 'Btu*in/hr*ft^2*R', 'W/m*K').get) material.setDensity(OpenStudio.convert(data['density'].to_f, 'lb/ft^3', 'kg/m^3').get) material.setSpecificHeat(OpenStudio.convert(data['specific_heat'].to_f, 'Btu/lb*R', 'J/kg*K').get) material.setThermalAbsorptance(data['thermal_absorptance'].to_f) material.setSolarAbsorptance(data['solar_absorptance'].to_f) material.setVisibleAbsorptance(data['visible_absorptance'].to_f) elsif material_type == 'AirGap' material = OpenStudio::Model::AirGap.new(model) material.setName(material_name) material.setThermalResistance(OpenStudio.convert(data['resistance'].to_f, 'hr*ft^2*R/Btu*in', 'm*K/W').get) elsif material_type == 'Gas' material = OpenStudio::Model::Gas.new(model) material.setName(material_name) material.setThickness(OpenStudio.convert(data['thickness'].to_f, 'in', 'm').get) material.setGasType(data['gas_type'].to_s) elsif material_type == 'SimpleGlazing' material = OpenStudio::Model::SimpleGlazing.new(model) material.setName(material_name) material.setUFactor(OpenStudio.convert(data['u_factor'].to_f, 'Btu/hr*ft^2*R', 'W/m^2*K').get) material.setSolarHeatGainCoefficient(data['solar_heat_gain_coefficient'].to_f) material.setVisibleTransmittance(data['visible_transmittance'].to_f) elsif material_type == 'StandardGlazing' material = OpenStudio::Model::StandardGlazing.new(model) material.setName(material_name) material.setOpticalDataType(data['optical_data_type'].to_s) material.setThickness(OpenStudio.convert(data['thickness'].to_f, 'in', 'm').get) material.setSolarTransmittanceatNormalIncidence(data['solar_transmittance_at_normal_incidence'].to_f) material.setFrontSideSolarReflectanceatNormalIncidence(data['front_side_solar_reflectance_at_normal_incidence'].to_f) material.setBackSideSolarReflectanceatNormalIncidence(data['back_side_solar_reflectance_at_normal_incidence'].to_f) material.setVisibleTransmittanceatNormalIncidence(data['visible_transmittance_at_normal_incidence'].to_f) material.setFrontSideVisibleReflectanceatNormalIncidence(data['front_side_visible_reflectance_at_normal_incidence'].to_f) material.setBackSideVisibleReflectanceatNormalIncidence(data['back_side_visible_reflectance_at_normal_incidence'].to_f) material.setInfraredTransmittanceatNormalIncidence(data['infrared_transmittance_at_normal_incidence'].to_f) material.setFrontSideInfraredHemisphericalEmissivity(data['front_side_infrared_hemispherical_emissivity'].to_f) material.setBackSideInfraredHemisphericalEmissivity(data['back_side_infrared_hemispherical_emissivity'].to_f) material.setConductivity(OpenStudio.convert(data['conductivity'].to_f, 'Btu*in/hr*ft^2*R', 'W/m*K').get) material.setDirtCorrectionFactorforSolarandVisibleTransmittance(data['dirt_correction_factor_for_solar_and_visible_transmittance'].to_f) if /true/i =~ data['solar_diffusing'].to_s material.setSolarDiffusing(true) else material.setSolarDiffusing(false) end else puts "Unknown material type #{material_type}" exit end return material end # Create a construction from the openstudio standards dataset. # If construction_props are specified, modifies the insulation layer accordingly. # @todo make return an OptionalConstruction def model_add_construction(model, construction_name, construction_props = nil) # First check model and return construction if it already exists model.getConstructions.sort.each do |construction| if construction.name.get.to_s == construction_name OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "Already added construction: #{construction_name}") return construction end end OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "Adding construction: #{construction_name}") # Get the object data data = model_find_object(standards_data['constructions'], 'name' => construction_name) unless data OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Cannot find data for construction: #{construction_name}, will not be created.") return OpenStudio::Model::OptionalConstruction.new end # Make a new construction and set the standards details construction = OpenStudio::Model::Construction.new(model) construction.setName(construction_name) standards_info = construction.standardsInformation intended_surface_type = data['intended_surface_type'] intended_surface_type ||= '' standards_info.setIntendedSurfaceType(intended_surface_type) standards_construction_type = data['standards_construction_type'] standards_construction_type ||= '' standards_info.setStandardsConstructionType(standards_construction_type) # TODO: could put construction rendering color in the spreadsheet # Add the material layers to the construction layers = OpenStudio::Model::MaterialVector.new data['materials'].each do |material_name| material = model_add_material(model, material_name) if material layers << material end end construction.setLayers(layers) # Modify the R value of the insulation to hit the specified U-value, C-Factor, or F-Factor. # Doesn't currently operate on glazing constructions if construction_props # Determine the target U-value, C-factor, and F-factor target_u_value_ip = construction_props['assembly_maximum_u_value'] target_f_factor_ip = construction_props['assembly_maximum_f_factor'] target_c_factor_ip = construction_props['assembly_maximum_c_factor'] target_shgc = construction_props['assembly_maximum_solar_heat_gain_coefficient'] u_includes_int_film = construction_props['u_value_includes_interior_film_coefficient'] u_includes_ext_film = construction_props['u_value_includes_exterior_film_coefficient'] OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "#{data['intended_surface_type']} u_val #{target_u_value_ip} f_fac #{target_f_factor_ip} c_fac #{target_c_factor_ip}") if target_u_value_ip # Handle Opaque and Fenestration Constructions differently if construction.isFenestration && construction_simple_glazing?(construction) # Set the U-Value and SHGC construction_set_glazing_u_value(construction, target_u_value_ip.to_f, data['intended_surface_type'], u_includes_int_film, u_includes_ext_film) construction_set_glazing_shgc(construction, target_shgc.to_f) else # if !data['intended_surface_type'] == 'ExteriorWindow' && !data['intended_surface_type'] == 'Skylight' # Set the U-Value construction_set_u_value(construction, target_u_value_ip.to_f, data['insulation_layer'], data['intended_surface_type'], u_includes_int_film, u_includes_ext_film) # else # OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Not modifying U-value for #{data['intended_surface_type']} u_val #{target_u_value_ip} f_fac #{target_f_factor_ip} c_fac #{target_c_factor_ip}") end elsif target_f_factor_ip && data['intended_surface_type'] == 'GroundContactFloor' # Set the F-Factor (only applies to slabs on grade) # TODO figure out what the prototype buildings did about ground heat transfer # construction_set_slab_f_factor(construction, target_f_factor_ip.to_f, data['insulation_layer']) construction_set_u_value(construction, 0.0, data['insulation_layer'], data['intended_surface_type'], u_includes_int_film, u_includes_ext_film) elsif target_c_factor_ip && data['intended_surface_type'] == 'GroundContactWall' # Set the C-Factor (only applies to underground walls) # TODO figure out what the prototype buildings did about ground heat transfer # construction_set_underground_wall_c_factor(construction, target_c_factor_ip.to_f, data['insulation_layer']) construction_set_u_value(construction, 0.0, data['insulation_layer'], data['intended_surface_type'], u_includes_int_film, u_includes_ext_film) end end # # Check if the construction with the modified name was already in the model. # # If it was, delete this new construction and return the copy already in the model. # m = construction.name.get.to_s.match(/\s(\d+)/) # if m # revised_cons_name = construction.name.get.to_s.gsub(/\s\d+/,'') # model.getConstructions.sort.each do |exist_construction| # if exist_construction.name.get.to_s == revised_cons_name # OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "Already added construction: #{construction_name}") # # Remove the recently added construction # lyrs = construction.layers # # Erase the layers in the construction # construction.setLayers([]) # # Delete unused materials # lyrs.uniq.each do |lyr| # if lyr.directUseCount.zero? # OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', "Removing Material: #{lyr.name}") # lyr.remove # end # end # construction.remove # Remove the construction # return exist_construction # end # end # end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Adding construction #{construction.name}.") return construction end # Helper method to find a particular construction and add it to the model # after modifying the insulation value if necessary. def model_find_and_add_construction(model, climate_zone_set, intended_surface_type, standards_construction_type, building_category) # Get the construction properties, # which specifies properties by construction category by climate zone set. # AKA the info in Tables 5.5-1-5.5-8 props = model_find_object(standards_data['construction_properties'], 'template' => template, 'climate_zone_set' => climate_zone_set, 'intended_surface_type' => intended_surface_type, 'standards_construction_type' => standards_construction_type, 'building_category' => building_category) if !props OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Could not find construction properties for: #{template}-#{climate_zone_set}-#{intended_surface_type}-#{standards_construction_type}-#{building_category}.") # Return an empty construction construction = OpenStudio::Model::Construction.new(model) construction.setName('Could not find construction properties set to Adiabatic ') almost_adiabatic = OpenStudio::Model::MasslessOpaqueMaterial.new(model, 'Smooth', 500) construction.insertLayer(0, almost_adiabatic) return construction else # OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Construction properties for: #{template}-#{climate_zone_set}-#{intended_surface_type}-#{standards_construction_type}-#{building_category} = #{props}.") end # Make sure that a construction is specified if props['construction'].nil? OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "No typical construction is specified for construction properties of: #{template}-#{climate_zone_set}-#{intended_surface_type}-#{standards_construction_type}-#{building_category}. Make sure it is entered in the spreadsheet.") # Return an empty construction construction = OpenStudio::Model::Construction.new(model) construction.setName('No typical construction was specified') return construction end # Add the construction, modifying properties as necessary construction = model_add_construction(model, props['construction'], props) return construction end # Create a construction set from the openstudio standards dataset. # Returns an Optional DefaultConstructionSet def model_add_construction_set(model, clim, building_type, spc_type, is_residential) construction_set = OpenStudio::Model::OptionalDefaultConstructionSet.new # Find the climate zone set that this climate zone falls into climate_zone_set = model_find_climate_zone_set(model, clim) unless climate_zone_set return construction_set end # Get the object data data = model_find_object(standards_data['construction_sets'], 'template' => template, 'climate_zone_set' => climate_zone_set, 'building_type' => building_type, 'space_type' => spc_type, 'is_residential' => is_residential) unless data data = model_find_object(standards_data['construction_sets'], 'template' => template, 'climate_zone_set' => climate_zone_set, 'building_type' => building_type, 'space_type' => spc_type) unless data # if nothing matches say that we could not find it. OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', "Construction set for template =#{template}, climate zone set =#{climate_zone_set}, building type = #{building_type}, space type = #{spc_type}, is residential = #{is_residential} was not found in standards_data['construction_sets']") return construction_set end end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Adding construction set: #{template}-#{clim}-#{building_type}-#{spc_type}-is_residential#{is_residential}") name = model_make_name(model, clim, building_type, spc_type) # Create a new construction set and name it construction_set = OpenStudio::Model::DefaultConstructionSet.new(model) construction_set.setName(name) # Exterior surfaces constructions exterior_surfaces = OpenStudio::Model::DefaultSurfaceConstructions.new(model) construction_set.setDefaultExteriorSurfaceConstructions(exterior_surfaces) if data['exterior_floor_standards_construction_type'] && data['exterior_floor_building_category'] exterior_surfaces.setFloorConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorFloor', data['exterior_floor_standards_construction_type'], data['exterior_floor_building_category'])) end if data['exterior_wall_standards_construction_type'] && data['exterior_wall_building_category'] exterior_surfaces.setWallConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorWall', data['exterior_wall_standards_construction_type'], data['exterior_wall_building_category'])) end if data['exterior_roof_standards_construction_type'] && data['exterior_roof_building_category'] exterior_surfaces.setRoofCeilingConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorRoof', data['exterior_roof_standards_construction_type'], data['exterior_roof_building_category'])) end # Interior surfaces constructions interior_surfaces = OpenStudio::Model::DefaultSurfaceConstructions.new(model) construction_set.setDefaultInteriorSurfaceConstructions(interior_surfaces) construction_name = data['interior_floors'] unless construction_name.nil? interior_surfaces.setFloorConstruction(model_add_construction(model, construction_name)) end construction_name = data['interior_walls'] unless construction_name.nil? interior_surfaces.setWallConstruction(model_add_construction(model, construction_name)) end construction_name = data['interior_ceilings'] unless construction_name.nil? interior_surfaces.setRoofCeilingConstruction(model_add_construction(model, construction_name)) end # Ground contact surfaces constructions ground_surfaces = OpenStudio::Model::DefaultSurfaceConstructions.new(model) construction_set.setDefaultGroundContactSurfaceConstructions(ground_surfaces) if data['ground_contact_floor_standards_construction_type'] && data['ground_contact_floor_building_category'] ground_surfaces.setFloorConstruction(model_find_and_add_construction(model, climate_zone_set, 'GroundContactFloor', data['ground_contact_floor_standards_construction_type'], data['ground_contact_floor_building_category'])) end if data['ground_contact_wall_standards_construction_type'] && data['ground_contact_wall_building_category'] ground_surfaces.setWallConstruction(model_find_and_add_construction(model, climate_zone_set, 'GroundContactWall', data['ground_contact_wall_standards_construction_type'], data['ground_contact_wall_building_category'])) end if data['ground_contact_ceiling_standards_construction_type'] && data['ground_contact_ceiling_building_category'] ground_surfaces.setRoofCeilingConstruction(model_find_and_add_construction(model, climate_zone_set, 'GroundContactRoof', data['ground_contact_ceiling_standards_construction_type'], data['ground_contact_ceiling_building_category'])) end # Exterior sub surfaces constructions exterior_subsurfaces = OpenStudio::Model::DefaultSubSurfaceConstructions.new(model) construction_set.setDefaultExteriorSubSurfaceConstructions(exterior_subsurfaces) if data['exterior_fixed_window_standards_construction_type'] && data['exterior_fixed_window_building_category'] exterior_subsurfaces.setFixedWindowConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorWindow', data['exterior_fixed_window_standards_construction_type'], data['exterior_fixed_window_building_category'])) end if data['exterior_operable_window_standards_construction_type'] && data['exterior_operable_window_building_category'] exterior_subsurfaces.setOperableWindowConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorWindow', data['exterior_operable_window_standards_construction_type'], data['exterior_operable_window_building_category'])) end if data['exterior_door_standards_construction_type'] && data['exterior_door_building_category'] exterior_subsurfaces.setDoorConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorDoor', data['exterior_door_standards_construction_type'], data['exterior_door_building_category'])) end construction_name = data['exterior_glass_doors'] unless construction_name.nil? exterior_subsurfaces.setGlassDoorConstruction(model_add_construction(model, construction_name)) end if data['exterior_overhead_door_standards_construction_type'] && data['exterior_overhead_door_building_category'] exterior_subsurfaces.setOverheadDoorConstruction(model_find_and_add_construction(model, climate_zone_set, 'ExteriorDoor', data['exterior_overhead_door_standards_construction_type'], data['exterior_overhead_door_building_category'])) end if data['exterior_skylight_standards_construction_type'] && data['exterior_skylight_building_category'] exterior_subsurfaces.setSkylightConstruction(model_find_and_add_construction(model, climate_zone_set, 'Skylight', data['exterior_skylight_standards_construction_type'], data['exterior_skylight_building_category'])) end if (construction_name = data['tubular_daylight_domes']) exterior_subsurfaces.setTubularDaylightDomeConstruction(model_add_construction(model, construction_name)) end if (construction_name = data['tubular_daylight_diffusers']) exterior_subsurfaces.setTubularDaylightDiffuserConstruction(model_add_construction(model, construction_name)) end # Interior sub surfaces constructions interior_subsurfaces = OpenStudio::Model::DefaultSubSurfaceConstructions.new(model) construction_set.setDefaultInteriorSubSurfaceConstructions(interior_subsurfaces) if (construction_name = data['interior_fixed_windows']) interior_subsurfaces.setFixedWindowConstruction(model_add_construction(model, construction_name)) end if (construction_name = data['interior_operable_windows']) interior_subsurfaces.setOperableWindowConstruction(model_add_construction(model, construction_name)) end if (construction_name = data['interior_doors']) interior_subsurfaces.setDoorConstruction(model_add_construction(model, construction_name)) end # Other constructions if (construction_name = data['interior_partitions']) construction_set.setInteriorPartitionConstruction(model_add_construction(model, construction_name)) end if (construction_name = data['space_shading']) construction_set.setSpaceShadingConstruction(model_add_construction(model, construction_name)) end if (construction_name = data['building_shading']) construction_set.setBuildingShadingConstruction(model_add_construction(model, construction_name)) end if (construction_name = data['site_shading']) construction_set.setSiteShadingConstruction(model_add_construction(model, construction_name)) end # componentize the construction set # construction_set_component = construction_set.createComponent # Return the construction set return OpenStudio::Model::OptionalDefaultConstructionSet.new(construction_set) end # Adds a curve from the OpenStudio-Standards dataset to the model # based on the curve name. def model_add_curve(model, curve_name) # First check model and return curve if it already exists existing_curves = [] existing_curves += model.getCurveLinears existing_curves += model.getCurveCubics existing_curves += model.getCurveQuadratics existing_curves += model.getCurveBicubics existing_curves += model.getCurveBiquadratics existing_curves.sort.each do |curve| if curve.name.get.to_s == curve_name OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "Already added curve: #{curve_name}") return curve end end # OpenStudio::logFree(OpenStudio::Info, "openstudio.prototype.addCurve", "Adding curve '#{curve_name}' to the model.") # Find curve data data = model_find_object(standards_data['curves'], 'name' => curve_name) if data.nil? OpenStudio::logFree(OpenStudio::Warn, "openstudio.Model.Model", "Could not find a curve called '#{curve_name}' in the standards.") return nil end # Make the correct type of curve case data['form'] when 'Linear' curve = OpenStudio::Model::CurveLinear.new(model) curve.setName(data['name']) curve.setCoefficient1Constant(data['coeff_1']) curve.setCoefficient2x(data['coeff_2']) curve.setMinimumValueofx(data['minimum_independent_variable_1']) if data['minimum_independent_variable_1'] curve.setMaximumValueofx(data['maximum_independent_variable_1']) if data['maximum_independent_variable_1'] curve.setMinimumCurveOutput(data['minimum_dependent_variable_output']) if data['minimum_dependent_variable_output'] curve.setMaximumCurveOutput(data['maximum_dependent_variable_output']) if data['maximum_dependent_variable_output'] return curve when 'Cubic' curve = OpenStudio::Model::CurveCubic.new(model) curve.setName(data['name']) curve.setCoefficient1Constant(data['coeff_1']) curve.setCoefficient2x(data['coeff_2']) curve.setCoefficient3xPOW2(data['coeff_3']) curve.setCoefficient4xPOW3(data['coeff_4']) curve.setMinimumValueofx(data['minimum_independent_variable_1']) if data['minimum_independent_variable_1'] curve.setMaximumValueofx(data['maximum_independent_variable_1']) if data['maximum_independent_variable_1'] curve.setMinimumCurveOutput(data['minimum_dependent_variable_output']) if data['minimum_dependent_variable_output'] curve.setMaximumCurveOutput(data['maximum_dependent_variable_output']) if data['maximum_dependent_variable_output'] return curve when 'Quadratic' curve = OpenStudio::Model::CurveQuadratic.new(model) curve.setName(data['name']) curve.setCoefficient1Constant(data['coeff_1']) curve.setCoefficient2x(data['coeff_2']) curve.setCoefficient3xPOW2(data['coeff_3']) curve.setMinimumValueofx(data['minimum_independent_variable_1']) if data['minimum_independent_variable_1'] curve.setMaximumValueofx(data['maximum_independent_variable_1']) if data['maximum_independent_variable_1'] curve.setMinimumCurveOutput(data['minimum_dependent_variable_output']) if data['minimum_dependent_variable_output'] curve.setMaximumCurveOutput(data['maximum_dependent_variable_output']) if data['maximum_dependent_variable_output'] return curve when 'BiCubic' curve = OpenStudio::Model::CurveBicubic.new(model) curve.setName(data['name']) curve.setCoefficient1Constant(data['coeff_1']) curve.setCoefficient2x(data['coeff_2']) curve.setCoefficient3xPOW2(data['coeff_3']) curve.setCoefficient4y(data['coeff_4']) curve.setCoefficient5yPOW2(data['coeff_5']) curve.setCoefficient6xTIMESY(data['coeff_6']) curve.setCoefficient7xPOW3(data['coeff_7']) curve.setCoefficient8yPOW3(data['coeff_8']) curve.setCoefficient9xPOW2TIMESY(data['coeff_9']) curve.setCoefficient10xTIMESYPOW2(data['coeff_10']) curve.setMinimumValueofx(data['minimum_independent_variable_1']) if data['minimum_independent_variable_1'] curve.setMaximumValueofx(data['maximum_independent_variable_1']) if data['maximum_independent_variable_1'] curve.setMinimumValueofy(data['minimum_independent_variable_2']) if data['minimum_independent_variable_2'] curve.setMaximumValueofy(data['maximum_independent_variable_2']) if data['maximum_independent_variable_2'] curve.setMinimumCurveOutput(data['minimum_dependent_variable_output']) if data['minimum_dependent_variable_output'] curve.setMaximumCurveOutput(data['maximum_dependent_variable_output']) if data['maximum_dependent_variable_output'] return curve when 'BiQuadratic' curve = OpenStudio::Model::CurveBiquadratic.new(model) curve.setName(data['name']) curve.setCoefficient1Constant(data['coeff_1']) curve.setCoefficient2x(data['coeff_2']) curve.setCoefficient3xPOW2(data['coeff_3']) curve.setCoefficient4y(data['coeff_4']) curve.setCoefficient5yPOW2(data['coeff_5']) curve.setCoefficient6xTIMESY(data['coeff_6']) curve.setMinimumValueofx(data['minimum_independent_variable_1']) if data['minimum_independent_variable_1'] curve.setMaximumValueofx(data['maximum_independent_variable_1']) if data['maximum_independent_variable_1'] curve.setMinimumValueofy(data['minimum_independent_variable_2']) if data['minimum_independent_variable_2'] curve.setMaximumValueofy(data['maximum_independent_variable_2']) if data['maximum_independent_variable_2'] curve.setMinimumCurveOutput(data['minimum_dependent_variable_output']) if data['minimum_dependent_variable_output'] curve.setMaximumCurveOutput(data['maximum_dependent_variable_output']) if data['maximum_dependent_variable_output'] return curve when 'BiLinear' curve = OpenStudio::Model::CurveBiquadratic.new(model) curve.setName(data['name']) curve.setCoefficient1Constant(data['coeff_1']) curve.setCoefficient2x(data['coeff_2']) curve.setCoefficient4y(data['coeff_3']) curve.setMinimumValueofx(data['minimum_independent_variable_1']) if data['minimum_independent_variable_1'] curve.setMaximumValueofx(data['maximum_independent_variable_1']) if data['maximum_independent_variable_1'] curve.setMinimumValueofy(data['minimum_independent_variable_2']) if data['minimum_independent_variable_2'] curve.setMaximumValueofy(data['maximum_independent_variable_2']) if data['maximum_independent_variable_2'] curve.setMinimumCurveOutput(data['minimum_dependent_variable_output']) if data['minimum_dependent_variable_output'] curve.setMaximumCurveOutput(data['maximum_dependent_variable_output']) if data['maximum_dependent_variable_output'] return curve else OpenStudio::logFree(OpenStudio::Error, "openstudio.Model.Model", "#{curve_name}' has an invalid form: #{data['form']}', cannot create this curve.") return nil end end # Get the full path to the weather file that is specified in the model. # # @return [OpenStudio::OptionalPath] def model_get_full_weather_file_path(model) full_epw_path = OpenStudio::OptionalPath.new if model.weatherFile.is_initialized epw_path = model.weatherFile.get.path if epw_path.is_initialized if File.exist?(epw_path.get.to_s) full_epw_path = OpenStudio::OptionalPath.new(epw_path.get) else # If this is an always-run Measure, need to check a different path alt_weath_path = File.expand_path(File.join(Dir.pwd, '../../resources')) alt_epw_path = File.expand_path(File.join(alt_weath_path, epw_path.get.to_s)) if File.exist?(alt_epw_path) full_epw_path = OpenStudio::OptionalPath.new(OpenStudio::Path.new(alt_epw_path)) else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Model has been assigned a weather file, but the file is not in the specified location of '#{epw_path.get}'.") end end else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', 'Model has a weather file assigned, but the weather file path has been deleted.') end else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', 'Model has not been assigned a weather file.') end return full_epw_path end # Method to gather prototype simulation results for a specific climate zone, building type, and template # # @param climate_zone [String] string for the ASHRAE climate zone. # @param building_type [String] string for prototype building type. # @return [Hash] Returns a hash with data presented in various bins. Returns nil if no search results def model_process_results_for_datapoint(model, climate_zone, building_type) # Combine the data from the JSON files into a single hash top_dir = File.expand_path('../../..', File.dirname(__FILE__)) standards_data_dir = "#{top_dir}/data/standards" # Load the legacy idf results JSON file into a ruby hash temp = '' begin temp = load_resource_relative('../../../data/standards/legacy_idf_results.json', 'r:UTF-8') rescue NoMethodError temp = File.read("#{standards_data_dir}/legacy_idf_results.json") end legacy_idf_results = JSON.parse(temp) # List of all fuel types fuel_types = ['Electricity', 'Natural Gas', 'Additional Fuel', 'District Cooling', 'District Heating', 'Water'] # List of all end uses end_uses = ['Heating', 'Cooling', 'Interior Lighting', 'Exterior Lighting', 'Interior Equipment', 'Exterior Equipment', 'Fans', 'Pumps', 'Heat Rejection', 'Humidification', 'Heat Recovery', 'Water Systems', 'Refrigeration', 'Generators'] # Get legacy idf results legacy_results_hash = {} legacy_results_hash['total_legacy_energy_val'] = 0 legacy_results_hash['total_legacy_water_val'] = 0 legacy_results_hash['total_energy_by_fuel'] = {} legacy_results_hash['total_energy_by_end_use'] = {} fuel_types.each do |fuel_type| end_uses.each do |end_use| next if end_use == 'Exterior Equipment' # Get the legacy results number legacy_val = legacy_idf_results.dig(building_type, template, climate_zone, fuel_type, end_use) # Combine the exterior lighting and exterior equipment if end_use == 'Exterior Lighting' legacy_exterior_equipment = legacy_idf_results.dig(building_type, template, climate_zone, fuel_type, 'Exterior Equipment') unless legacy_exterior_equipment.nil? legacy_val += legacy_exterior_equipment end end if legacy_val.nil? OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "#{fuel_type} #{end_use} legacy idf value not found") next end # Add the energy to the total if fuel_type == 'Water' legacy_results_hash['total_legacy_water_val'] += legacy_val else legacy_results_hash['total_legacy_energy_val'] += legacy_val # add to fuel specific total if legacy_results_hash['total_energy_by_fuel'][fuel_type] legacy_results_hash['total_energy_by_fuel'][fuel_type] += legacy_val # add to existing counter else legacy_results_hash['total_energy_by_fuel'][fuel_type] = legacy_val # start new counter end # add to end use specific total if legacy_results_hash['total_energy_by_end_use'][end_use] legacy_results_hash['total_energy_by_end_use'][end_use] += legacy_val # add to existing counter else legacy_results_hash['total_energy_by_end_use'][end_use] = legacy_val # start new counter end end end # Next end use end # Next fuel type return legacy_results_hash end # Keep track of floor area for prototype buildings. # This is used to calculate EUI's to compare against non prototype buildings # Areas taken from scorecard Excel Files # # @param building_type [String] the building type # @return [Double] floor area (m^2) of prototype building for building type passed in. Returns nil if unexpected building type def model_find_prototype_floor_area(model, building_type) if building_type == 'FullServiceRestaurant' # 5502 ft^2 result = 511 elsif building_type == 'Hospital' # 241,410 ft^2 (including basement) result = 22_422 elsif building_type == 'LargeHotel' # 122,132 ft^2 result = 11_345 elsif building_type == 'LargeOffice' # 498,600 ft^2 result = 46_320 elsif building_type == 'MediumOffice' # 53,600 ft^2 result = 4982 elsif building_type == 'MidriseApartment' # 33,700 ft^2 result = 3135 elsif building_type == 'Office' result = nil # TODO: - there shouldn't be a prototype building for this OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', 'Measures calling this should choose between SmallOffice, MediumOffice, and LargeOffice') elsif building_type == 'Outpatient' # 40.950 ft^2 result = 3804 elsif building_type == 'PrimarySchool' # 73,960 ft^2 result = 6871 elsif building_type == 'QuickServiceRestaurant' # 2500 ft^2 result = 232 elsif building_type == 'Retail' # 24,695 ft^2 result = 2294 elsif building_type == 'SecondarySchool' # 210,900 ft^2 result = 19_592 elsif building_type == 'SmallHotel' # 43,200 ft^2 result = 4014 elsif building_type == 'SmallOffice' # 5500 ft^2 result = 511 elsif building_type == 'StripMall' # 22,500 ft^2 result = 2090 elsif building_type == 'SuperMarket' # 45,002 ft2 (from legacy reference idf file) result = 4181 elsif building_type == 'Warehouse' # 49,495 ft^2 (legacy ref shows 52,045, but I wil calc using 49,495) result = 4595 else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Didn't find expected building type. As a result can't determine floor prototype floor area") result = nil end return result end # this is used by other methods to get the clinzte aone and building type from a model. # it has logic to break office into small, medium or large based on building area that can be turned off # @param remap_office [bool] re-map small office or leave it alone # @return [hash] key for climate zone and building type, both values are strings def model_get_building_climate_zone_and_building_type(model, remap_office = true) # get climate zone from model # get ashrae climate zone from model climate_zone = '' model.getClimateZones.climateZones.each do |cz| if cz.institution == 'ASHRAE' climate_zone = if cz.value == '7' || cz.value == '8' "ASHRAE 169-2006-#{cz.value}A" else "ASHRAE 169-2006-#{cz.value}" end elsif cz.institution == 'CEC' climate_zone = "CEC T24-CEC#{cz.value}" end end # get building type from model building_type = '' if model.getBuilding.standardsBuildingType.is_initialized building_type = model.getBuilding.standardsBuildingType.get end # map office building type to small medium or large if building_type == 'Office' && remap_office open_studio_area = model.getBuilding.floorArea building_type = model_remap_office(model, open_studio_area) end results = {} results['climate_zone'] = climate_zone results['building_type'] = building_type return results end # remap office to one of the protptye buildings # @param floor_area [Double] floor area (m^2) # @return [String] SmallOffice, MediumOffice, LargeOffice def model_remap_office(model, floor_area) # prototype small office approx 500 m^2 # prototype medium office approx 5000 m^2 # prototype large office approx 50,000 m^2 # map office building type to small medium or large building_type = if floor_area < 2750 'SmallOffice' elsif floor_area < 25_250 'MediumOffice' else 'LargeOffice' end end # user needs to pass in template as string. The building type and climate zone will come from the model. # If the building type or ASHRAE climate zone is not set in the model this will return nil # If the lookup doesn't find matching simulation results this wil return nil # # @return [Double] EUI (MJ/m^2) for target template for given OSM. Returns nil if can't calculate EUI def model_find_target_eui(model) building_data = model_get_building_climate_zone_and_building_type(model) climate_zone = building_data['climate_zone'] building_type = building_data['building_type'] # look up results target_consumption = model_process_results_for_datapoint(model, climate_zone, building_type) # lookup target floor area for prototype buildings target_floor_area = model_find_prototype_floor_area(model, building_type) if target_consumption['total_legacy_energy_val'] > 0 if target_floor_area > 0 result = target_consumption['total_legacy_energy_val'] / target_floor_area else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', 'Cannot find prototype building floor area') result = nil end else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Cannot find target results for #{climate_zone},#{building_type},#{template}") result = nil # couldn't calculate EUI consumpiton lookup failed end return result end # user needs to pass in template as string. The building type and climate zone will come from the model. # If the building type or ASHRAE climate zone is not set in the model this will return nil # If the lookup doesn't find matching simulation results this wil return nil # # @return [Hash] EUI (MJ/m^2) This will return a hash of end uses. key is end use, value is eui def model_find_target_eui_by_end_use(model) building_data = model_get_building_climate_zone_and_building_type(model) climate_zone = building_data['climate_zone'] building_type = building_data['building_type'] # look up results target_consumption = model_process_results_for_datapoint(model, climate_zone, building_type) # lookup target floor area for prototype buildings target_floor_area = model_find_prototype_floor_area(model, building_type) if target_consumption['total_legacy_energy_val'] > 0 if target_floor_area > 0 result = {} target_consumption['total_energy_by_end_use'].each do |end_use, consumption| result[end_use] = consumption / target_floor_area end else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', 'Cannot find prototype building floor area') result = nil end else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Cannot find target results for #{climate_zone},#{building_type},#{template}") result = nil # couldn't calculate EUI consumpiton lookup failed end return result end # Get a unique list of constructions with given # boundary condition and a given type of surface. # Pulls from both default construction sets and # hard-assigned constructions. # # @param boundary_condition [String] the desired boundary condition # valid choices are: # Adiabatic # Surface # Outdoors # Ground # @param type [String] the type of surface to find # valid choices are: # AtticFloor # AtticWall # AtticRoof # DemisingFloor # DemisingWall # DemisingRoof # ExteriorFloor # ExteriorWall # ExteriorRoof # ExteriorWindow # ExteriorDoor # GlassDoor # GroundContactFloor # GroundContactWall # GroundContactRoof # InteriorFloor # InteriorWall # InteriorCeiling # InteriorPartition # InteriorWindow # InteriorDoor # OverheadDoor # Skylight # TubularDaylightDome # TubularDaylightDiffuser # return [Array] # an array of all constructions. def model_find_constructions(model, boundary_condition, type) constructions = [] # From default construction sets model.getDefaultConstructionSets.sort.each do |const_set| ext_surfs = const_set.defaultExteriorSurfaceConstructions int_surfs = const_set.defaultInteriorSurfaceConstructions gnd_surfs = const_set.defaultGroundContactSurfaceConstructions ext_subsurfs = const_set.defaultExteriorSubSurfaceConstructions int_subsurfs = const_set.defaultInteriorSubSurfaceConstructions # Can't handle incomplete construction sets if ext_surfs.empty? || int_surfs.empty? || gnd_surfs.empty? || ext_subsurfs.empty? || int_subsurfs.empty? OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Space', "Default construction set #{const_set.name} is incomplete; contructions from this set will not be reported.") next end ext_surfs = ext_surfs.get int_surfs = int_surfs.get gnd_surfs = gnd_surfs.get ext_subsurfs = ext_subsurfs.get int_subsurfs = int_subsurfs.get case type # Exterior Surfaces when 'ExteriorWall', 'AtticWall' constructions << ext_surfs.wallConstruction when 'ExteriorFloor' constructions << ext_surfs.floorConstruction when 'ExteriorRoof', 'AtticRoof' constructions << ext_surfs.roofCeilingConstruction # Interior Surfaces when 'InteriorWall', 'DemisingWall', 'InteriorPartition' constructions << int_surfs.wallConstruction when 'InteriorFloor', 'AtticFloor', 'DemisingFloor' constructions << int_surfs.floorConstruction when 'InteriorCeiling', 'DemisingRoof' constructions << int_surfs.roofCeilingConstruction # Ground Contact Surfaces when 'GroundContactWall' constructions << gnd_surfs.wallConstruction when 'GroundContactFloor' constructions << gnd_surfs.floorConstruction when 'GroundContactRoof' constructions << gnd_surfs.roofCeilingConstruction # Exterior SubSurfaces when 'ExteriorWindow' constructions << ext_subsurfs.fixedWindowConstruction constructions << ext_subsurfs.operableWindowConstruction when 'ExteriorDoor' constructions << ext_subsurfs.doorConstruction when 'GlassDoor' constructions << ext_subsurfs.glassDoorConstruction when 'OverheadDoor' constructions << ext_subsurfs.overheadDoorConstruction when 'Skylight' constructions << ext_subsurfs.skylightConstruction when 'TubularDaylightDome' constructions << ext_subsurfs.tubularDaylightDomeConstruction when 'TubularDaylightDiffuser' constructions << ext_subsurfs.tubularDaylightDiffuserConstruction # Interior SubSurfaces when 'InteriorWindow' constructions << int_subsurfs.fixedWindowConstruction constructions << int_subsurfs.operableWindowConstruction when 'InteriorDoor' constructions << int_subsurfs.doorConstruction end end # Hard-assigned surfaces model.getSurfaces.sort.each do |surf| next unless surf.outsideBoundaryCondition == boundary_condition surf_type = surf.surfaceType if surf_type == 'Floor' || surf_type == 'Wall' next unless type.include?(surf_type) elsif surf_type == 'RoofCeiling' next unless type.include?('Roof') || type.include?('Ceiling') end constructions << surf.construction end # Hard-assigned subsurfaces model.getSubSurfaces.sort.each do |surf| next unless surf.outsideBoundaryCondition == boundary_condition surf_type = surf.subSurfaceType if surf_type == 'FixedWindow' || surf_type == 'OperableWindow' next unless type == 'ExteriorWindow' elsif surf_type == 'Door' next unless type.include?('Door') else next unless surf.subSurfaceType == type end constructions << surf.construction end # Throw out the empty constructions all_constructions = [] constructions.uniq.each do |const| next if const.empty? all_constructions << const.get end # Only return the unique list (should already be uniq) all_constructions = all_constructions.uniq # ConstructionBase can be sorted all_constructions = all_constructions.sort return all_constructions end # Go through the default construction sets and hard-assigned # constructions. Clone the existing constructions and set their # intended surface type and standards construction type per # the PRM. For some standards, this will involve making # modifications. For others, it will not. # # 90.1-2007, 90.1-2010, 90.1-2013 # @return [Bool] returns true if successful, false if not def model_apply_prm_construction_types(model) types_to_modify = [] # Possible boundary conditions are # Adiabatic # Surface # Outdoors # Ground # Possible surface types are # AtticFloor # AtticWall # AtticRoof # DemisingFloor # DemisingWall # DemisingRoof # ExteriorFloor # ExteriorWall # ExteriorRoof # ExteriorWindow # ExteriorDoor # GlassDoor # GroundContactFloor # GroundContactWall # GroundContactRoof # InteriorFloor # InteriorWall # InteriorCeiling # InteriorPartition # InteriorWindow # InteriorDoor # OverheadDoor # Skylight # TubularDaylightDome # TubularDaylightDiffuser # Possible standards construction types # Mass # SteelFramed # WoodFramed # IEAD # View # Daylight # Swinging # NonSwinging # Heated # Unheated # RollUp # Sliding # Metal # Nonmetal framing (all) # Metal framing (curtainwall/storefront) # Metal framing (entrance door) # Metal framing (all other) # Metal Building # Attic and Other # Glass with Curb # Plastic with Curb # Without Curb # Create an array of types types_to_modify << ['Outdoors', 'ExteriorWall', 'SteelFramed'] types_to_modify << ['Outdoors', 'ExteriorRoof', 'IEAD'] types_to_modify << ['Outdoors', 'ExteriorFloor', 'SteelFramed'] types_to_modify << ['Ground', 'GroundContactFloor', 'Unheated'] types_to_modify << ['Ground', 'GroundContactWall', 'Mass'] # Modify all constructions of each type types_to_modify.each do |boundary_cond, surf_type, const_type| constructions = model_find_constructions(model, boundary_cond, surf_type) constructions.sort.each do |const| standards_info = const.standardsInformation standards_info.setIntendedSurfaceType(surf_type) standards_info.setStandardsConstructionType(const_type) end end return true end # Apply the standard construction to each surface in the # model, based on the construction type currently assigned. # # @return [Bool] true if successful, false if not def model_apply_standard_constructions(model, climate_zone) types_to_modify = [] # Possible boundary conditions are # Adiabatic # Surface # Outdoors # Ground # Possible surface types are # Floor # Wall # RoofCeiling # FixedWindow # OperableWindow # Door # GlassDoor # OverheadDoor # Skylight # TubularDaylightDome # TubularDaylightDiffuser # Create an array of surface types types_to_modify << ['Outdoors', 'Floor'] types_to_modify << ['Outdoors', 'Wall'] types_to_modify << ['Outdoors', 'RoofCeiling'] types_to_modify << ['Outdoors', 'FixedWindow'] types_to_modify << ['Outdoors', 'OperableWindow'] types_to_modify << ['Outdoors', 'Door'] types_to_modify << ['Outdoors', 'GlassDoor'] types_to_modify << ['Outdoors', 'OverheadDoor'] types_to_modify << ['Outdoors', 'Skylight'] types_to_modify << ['Ground', 'Floor'] types_to_modify << ['Ground', 'Wall'] # Find just those surfaces surfaces_to_modify = [] types_to_modify.each do |boundary_condition, surface_type| # Surfaces model.getSurfaces.sort.each do |surf| next unless surf.outsideBoundaryCondition == boundary_condition next unless surf.surfaceType == surface_type surfaces_to_modify << surf end # SubSurfaces model.getSubSurfaces.sort.each do |surf| next unless surf.outsideBoundaryCondition == boundary_condition next unless surf.subSurfaceType == surface_type surfaces_to_modify << surf end end # Modify these surfaces prev_created_consts = {} surfaces_to_modify.sort.each do |surf| prev_created_consts = planar_surface_apply_standard_construction(surf, climate_zone, prev_created_consts) end # List the unique array of constructions if prev_created_consts.size.zero? OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', 'None of the constructions in your proposed model have both Intended Surface Type and Standards Construction Type') else prev_created_consts.each do |surf_type, construction| OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{surf_type.join(' ')}, applied #{construction.name}.") end end return true end # Returns standards data for selected construction # # @param intended_surface_type [string] the surface type # @param standards_construction_type [string] the type of construction # @param building_category [string] the type of building # @return [hash] hash of construction properties def model_get_construction_properties(model, intended_surface_type, standards_construction_type, building_category = 'Nonresidential') # get climate_zone_set climate_zone = model_get_building_climate_zone_and_building_type(model)['climate_zone'] climate_zone_set = model_find_climate_zone_set(model, climate_zone) # populate search hash search_criteria = { 'template' => template, 'climate_zone_set' => climate_zone_set, 'intended_surface_type' => intended_surface_type, 'standards_construction_type' => standards_construction_type, 'building_category' => building_category } # switch to use this but update test in standards and measures to load this outside of the method construction_properties = model_find_object(standards_data['construction_properties'], search_criteria) return construction_properties end # Reduces the WWR to the values specified by the PRM. WWR reduction # will be done by moving vertices inward toward centroid. This causes the least impact # on the daylighting area calculations and controls placement. # # @todo add proper support for 90.1-2013 with all those building # type specific values # @todo support 90.1-2004 requirement that windows be modeled as # horizontal bands. Currently just using existing window geometry, # and shrinking as necessary if WWR is above limit. # @todo support semiheated spaces as a separate WWR category # @todo add window frame area to calculation of WWR def model_apply_prm_baseline_window_to_wall_ratio(model, climate_zone) # Loop through all spaces in the model, and # per the PNNL PRM Reference Manual, find the areas # of each space conditioning category (res, nonres, semi-heated) # separately. Include space multipliers. nr_wall_m2 = 0.001 # Avoids divide by zero errors later nr_wind_m2 = 0 res_wall_m2 = 0.001 res_wind_m2 = 0 sh_wall_m2 = 0.001 sh_wind_m2 = 0 total_wall_m2 = 0.001 total_subsurface_m2 = 0.0 # Store the space conditioning category for later use space_cats = {} model.getSpaces.sort.each do |space| # Loop through all surfaces in this space wall_area_m2 = 0 wind_area_m2 = 0 space.surfaces.sort.each do |surface| # Skip non-outdoor surfaces next unless surface.outsideBoundaryCondition == 'Outdoors' # Skip non-walls next unless surface.surfaceType.casecmp('wall').zero? # This wall's gross area (including window area) wall_area_m2 += surface.grossArea * space.multiplier # Subsurfaces in this surface surface.subSurfaces.sort.each do |ss| next unless ss.subSurfaceType == 'FixedWindow' || ss.subSurfaceType == 'OperableWindow' wind_area_m2 += ss.netArea * space.multiplier end end # Determine the space category # TODO This should really use the heating/cooling loads # from the proposed building. However, in an attempt # to avoid another sizing run just for this purpose, # conditioned status is based on heating/cooling # setpoints. If heated-only, will be assumed Semiheated. # The full-bore method is on the next line in case needed. # cat = thermal_zone_conditioning_category(space, template, climate_zone) cooled = space_cooled?(space) heated = space_heated?(space) cat = 'Unconditioned' # Unconditioned if !heated && !cooled cat = 'Unconditioned' # Heated-Only elsif heated && !cooled cat = 'Semiheated' # Heated and Cooled else res = space_residential?(space) cat = if res 'ResConditioned' else 'NonResConditioned' end end space_cats[space] = cat # Add to the correct category case cat when 'Unconditioned' next # Skip unconditioned spaces when 'NonResConditioned' nr_wall_m2 += wall_area_m2 nr_wind_m2 += wind_area_m2 when 'ResConditioned' res_wall_m2 += wall_area_m2 res_wind_m2 += wind_area_m2 when 'Semiheated' sh_wall_m2 += wall_area_m2 sh_wind_m2 += wind_area_m2 end end # Calculate the WWR of each category wwr_nr = ((nr_wind_m2 / nr_wall_m2) * 100.0).round(1) wwr_res = ((res_wind_m2 / res_wall_m2) * 100).round(1) wwr_sh = ((sh_wind_m2 / sh_wall_m2) * 100).round(1) # Convert to IP and report nr_wind_ft2 = OpenStudio.convert(nr_wind_m2, 'm^2', 'ft^2').get nr_wall_ft2 = OpenStudio.convert(nr_wall_m2, 'm^2', 'ft^2').get res_wind_ft2 = OpenStudio.convert(res_wind_m2, 'm^2', 'ft^2').get res_wall_ft2 = OpenStudio.convert(res_wall_m2, 'm^2', 'ft^2').get sh_wind_ft2 = OpenStudio.convert(sh_wind_m2, 'm^2', 'ft^2').get sh_wall_ft2 = OpenStudio.convert(sh_wall_m2, 'm^2', 'ft^2').get OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "WWR NonRes = #{wwr_nr.round}%; window = #{nr_wind_ft2.round} ft2, wall = #{nr_wall_ft2.round} ft2.") OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "WWR Res = #{wwr_res.round}%; window = #{res_wind_ft2.round} ft2, wall = #{res_wall_ft2.round} ft2.") OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "WWR Semiheated = #{wwr_sh.round}%; window = #{sh_wind_ft2.round} ft2, wall = #{sh_wall_ft2.round} ft2.") # WWR limit wwr_lim = 40.0 # Check against WWR limit red_nr = wwr_nr > wwr_lim red_res = wwr_res > wwr_lim red_sh = wwr_sh > wwr_lim # Stop here unless windows need reducing return true unless red_nr || red_res || red_sh # Determine the factors by which to reduce the window area mult_nr_red = wwr_lim / wwr_nr mult_res_red = wwr_lim / wwr_res mult_sh_red = wwr_lim / wwr_sh # Reduce the window area if any of the categories necessary model.getSpaces.sort.each do |space| # Determine the space category # from the previously stored values cat = space_cats[space] # Get the correct multiplier case cat when 'Unconditioned' next # Skip unconditioned spaces when 'NonResConditioned' next unless red_nr mult = mult_nr_red when 'ResConditioned' next unless red_res mult = mult_res_red when 'Semiheated' next unless red_sh mult = mult_sh_red end # Loop through all surfaces in this space space.surfaces.sort.each do |surface| # Skip non-outdoor surfaces next unless surface.outsideBoundaryCondition == 'Outdoors' # Skip non-walls next unless surface.surfaceType.casecmp('wall').zero? # Subsurfaces in this surface surface.subSurfaces.sort.each do |ss| next unless ss.subSurfaceType == 'FixedWindow' || ss.subSurfaceType == 'OperableWindow' # Reduce the size of the window # If a vertical rectangle, raise sill height to avoid # impacting daylighting areas, otherwise # reduce toward centroid. red = 1.0 - mult if sub_surface_vertical_rectangle?(ss) sub_surface_reduce_area_by_percent_by_raising_sill(ss, red) else sub_surface_reduce_area_by_percent_by_shrinking_toward_centroid(ss, red) end end end end return true end # Reduces the SRR to the values specified by the PRM. SRR reduction # will be done by shrinking vertices toward the centroid. # # @todo support semiheated spaces as a separate SRR category # @todo add skylight frame area to calculation of SRR def model_apply_prm_baseline_skylight_to_roof_ratio(model) # Loop through all spaces in the model, and # per the PNNL PRM Reference Manual, find the areas # of each space conditioning category (res, nonres, semi-heated) # separately. Include space multipliers. nr_wall_m2 = 0.001 # Avoids divide by zero errors later nr_sky_m2 = 0 res_wall_m2 = 0.001 res_sky_m2 = 0 sh_wall_m2 = 0.001 sh_sky_m2 = 0 total_roof_m2 = 0.001 total_subsurface_m2 = 0 model.getSpaces.sort.each do |space| # Loop through all surfaces in this space wall_area_m2 = 0 sky_area_m2 = 0 space.surfaces.sort.each do |surface| # Skip non-outdoor surfaces next unless surface.outsideBoundaryCondition == 'Outdoors' # Skip non-walls next unless surface.surfaceType == 'RoofCeiling' # This wall's gross area (including skylight area) wall_area_m2 += surface.grossArea * space.multiplier # Subsurfaces in this surface surface.subSurfaces.sort.each do |ss| next unless ss.subSurfaceType == 'Skylight' sky_area_m2 += ss.netArea * space.multiplier end end # Determine the space category cat = 'NonRes' if space_residential?(space) cat = 'Res' end # if space.is_semiheated # cat = 'Semiheated' # end # Add to the correct category case cat when 'NonRes' nr_wall_m2 += wall_area_m2 nr_sky_m2 += sky_area_m2 when 'Res' res_wall_m2 += wall_area_m2 res_sky_m2 += sky_area_m2 when 'Semiheated' sh_wall_m2 += wall_area_m2 sh_sky_m2 += sky_area_m2 end total_roof_m2 += wall_area_m2 total_subsurface_m2 += sky_area_m2 end # Calculate the SRR of each category srr_nr = ((nr_sky_m2 / nr_wall_m2) * 100).round(1) srr_res = ((res_sky_m2 / res_wall_m2) * 100).round(1) srr_sh = ((sh_sky_m2 / sh_wall_m2) * 100).round(1) srr = ((total_subsurface_m2 / total_roof_m2) * 100.0).round(1) OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "The skylight to roof ratios (SRRs) are: NonRes: #{srr_nr.round}%, Res: #{srr_res.round}%.") # SRR limit srr_lim = model_prm_skylight_to_roof_ratio_limit(model) # Check against SRR limit red_nr = srr_nr > srr_lim red_res = srr_res > srr_lim red_sh = srr_sh > srr_lim # Stop here unless skylights need reducing return true unless red_nr || red_res || red_sh OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Reducing the size of all skylights equally down to the limit of #{srr_lim.round}%.") # Determine the factors by which to reduce the skylight area mult_nr_red = srr_lim / srr_nr mult_res_red = srr_lim / srr_res # mult_sh_red = srr_lim / srr_sh # Reduce the skylight area if any of the categories necessary model.getSpaces.sort.each do |space| # Determine the space category cat = 'NonRes' if space_residential?(space) cat = 'Res' end # if space.is_semiheated # cat = 'Semiheated' # end # Skip spaces whose skylights don't need to be reduced case cat when 'NonRes' next unless red_nr mult = mult_nr_red when 'Res' next unless red_res mult = mult_res_red when 'Semiheated' next unless red_sh # mult = mult_sh_red end # Loop through all surfaces in this space space.surfaces.sort.each do |surface| # Skip non-outdoor surfaces next unless surface.outsideBoundaryCondition == 'Outdoors' # Skip non-walls next unless surface.surfaceType == 'RoofCeiling' # Subsurfaces in this surface surface.subSurfaces.sort.each do |ss| next unless ss.subSurfaceType == 'Skylight' # Reduce the size of the skylight red = 1.0 - mult sub_surface_reduce_area_by_percent_by_shrinking_toward_centroid(ss, red) end end end return true end # Determines the skylight to roof ratio limit for a given standard # @return [Double] the skylight to roof ratio, as a percent: 5.0 = 5% # 5% by default. def model_prm_skylight_to_roof_ratio_limit(model) srr_lim = 5.0 return srr_lim end # Remove all HVAC that will be replaced during the # performance rating method baseline generation. # This does not include plant loops that serve # WaterUse:Equipment or Fan:ZoneExhaust # # @return [Bool] true if successful, false if not def model_remove_prm_hvac(model) # Plant loops model.getPlantLoops.sort.each do |loop| # Don't remove service water heating loops next if plant_loop_swh_loop?(loop) loop.remove end # Air loops model.getAirLoopHVACs.each(&:remove) # Zone equipment model.getThermalZones.sort.each do |zone| zone.equipment.each do |zone_equipment| next if zone_equipment.to_FanZoneExhaust.is_initialized zone_equipment.remove end end # Outdoor VRF units (not in zone, not in loops) model.getAirConditionerVariableRefrigerantFlows.each(&:remove) return true end # Remove external shading devices. # Site shading will not be impacted. # @return [Bool] returns true if successful, false if not. def model_remove_external_shading_devices(model) shading_surfaces_removed = 0 model.getShadingSurfaceGroups.sort.each do |shade_group| # Skip Site shading next if shade_group.shadingSurfaceType == 'Site' # Space shading surfaces should be removed shading_surfaces_removed += shade_group.shadingSurfaces.size shade_group.remove end OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Removed #{shading_surfaces_removed} external shading devices.") return true end # Changes the sizing parameters to the PRM specifications. def model_apply_prm_sizing_parameters(model) clg = 1.15 htg = 1.25 sizing_params = model.getSizingParameters sizing_params.setHeatingSizingFactor(htg) sizing_params.setCoolingSizingFactor(clg) OpenStudio.logFree(OpenStudio::Info, 'openstudio.prototype.Model', "Set sizing factors to #{htg} for heating and #{clg} for cooling.") end # Helper method to get the story object that # cooresponds to a specific minimum z value. # Makes a new story if none found at this height. # # # @param minz [Double] the z value (height) of the # desired story, in meters. # @param tolerance [Double] tolerance for comparison, in m. # Default is 0.3 m ~1ft # @return [OpenStudio::Model::BuildingStory] the story def model_get_story_for_nominal_z_coordinate(model, minz, tolerance = 0.3) model.getBuildingStorys.sort.each do |story| z = building_story_minimum_z_value(story) if (minz - z).abs < tolerance OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.Model', "The story with a min z value of #{minz.round(2)} is #{story.name}.") return story end end story = OpenStudio::Model::BuildingStory.new(model) story.setNominalZCoordinate(minz) OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.Model', "No story with a min z value of #{minz.round(2)} m +/- #{tolerance} m was found, so a new story called #{story.name} was created.") return story end # Returns average daily hot water consumption by building type # recommendations from 2011 ASHRAE Handobook - HVAC Applications Table 7 section 60.14 # Not all building types are included in lookup # some recommendations have multiple values based on number of units. # Will return an array of hashes. Many may have one array entry. # all values other than block size are gallons. # # @return [Array] array of hashes. Each array entry based on different capacity # specific to building type. Array will be empty for some building types. def model_find_ashrae_hot_water_demand(model) # TODO: - for types not in table use standards area normalized swh values # get building type building_data = model_get_building_climate_zone_and_building_type(model) building_type = building_data['building_type'] result = [] if building_type == 'FullServiceRestaurant' result << { units: 'meal', block: nil, max_hourly: 1.5, max_daily: 11.0, avg_day_unit: 2.4 } elsif building_type == 'Hospital' OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "No SWH rules of thumbs for #{building_type}.") elsif ['LargeHotel', 'SmallHotel'].include? building_type result << { units: 'unit', block: 20, max_hourly: 6.0, max_daily: 35.0, avg_day_unit: 24.0 } result << { units: 'unit', block: 60, max_hourly: 5.0, max_daily: 25.0, avg_day_unit: 14.0 } result << { units: 'unit', block: 100, max_hourly: 4.0, max_daily: 15.0, avg_day_unit: 10.0 } elsif building_type == 'MidriseApartment' result << { units: 'unit', block: 20, max_hourly: 12.0, max_daily: 80.0, avg_day_unit: 42.0 } result << { units: 'unit', block: 50, max_hourly: 10.0, max_daily: 73.0, avg_day_unit: 40.0 } result << { units: 'unit', block: 75, max_hourly: 8.5, max_daily: 66.0, avg_day_unit: 38.0 } result << { units: 'unit', block: 100, max_hourly: 7.0, max_daily: 60.0, avg_day_unit: 37.0 } result << { units: 'unit', block: 200, max_hourly: 5.0, max_daily: 50.0, avg_day_unit: 35.0 } elsif ['Office', 'LargeOffice', 'MediumOffice', 'SmallOffice'].include? building_type result << { units: 'person', block: nil, max_hourly: 0.4, max_daily: 2.0, avg_day_unit: 1.0 } elsif building_type == 'Outpatient' OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "No SWH rules of thumbs for #{building_type}.") elsif building_type == 'PrimarySchool' result << { units: 'student', block: nil, max_hourly: 0.6, max_daily: 1.5, avg_day_unit: 0.6 } elsif building_type == 'QuickServiceRestaurant' result << { units: 'meal', block: nil, max_hourly: 0.7, max_daily: 6.0, avg_day_unit: 0.7 } elsif building_type == 'Retail' OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "No SWH rules of thumbs for #{building_type}.") elsif building_type == 'SecondarySchool' result << { units: 'student', block: nil, max_hourly: 1.0, max_daily: 3.6, avg_day_unit: 1.8 } elsif building_type == 'StripMall' OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "No SWH rules of thumbs for #{building_type}.") elsif building_type == 'SuperMarket' OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "No SWH rules of thumbs for #{building_type}.") elsif building_type == 'Warehouse' OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "No SWH rules of thumbs for #{building_type}.") else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Didn't find expected building type. As a result can't determine hot water demand recommendations") end return result end # Returns average daily hot water consumption for residential buildings # gal/day from ICC IECC 2015 Residential Standard Reference Design # from Table R405.5.2(1) # # @return [Double] gal/day def model_find_icc_iecc_2015_hot_water_demand(model, units_per_bldg, bedrooms_per_unit) swh_gal_per_day = units_per_bldg * (30.0 + (10.0 * bedrooms_per_unit)) return swh_gal_per_day end # Returns average daily internal loads for residential buildings # from Table R405.5.2(1) # # @return [Hash] mech_vent_cfm, infiltration_ach, igain_btu_per_day, internal_mass_lbs def model_find_icc_iecc_2015_internal_loads(model, units_per_bldg, bedrooms_per_unit) # get total and conditioned floor area total_floor_area = model.getBuilding.floorArea if model.getBuilding.conditionedFloorArea.is_initialized conditioned_floor_area = model.getBuilding.conditionedFloorArea.get else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', 'Cannot find conditioned floor area, will use total floor area.') conditioned_floor_area = total_floor_area end # get climate zone value climate_zone_value = '' model.getClimateZones.climateZones.each do |cz| if cz.institution == 'ASHRAE' climate_zone_value = cz.value next end end internal_loads = {} internal_loads['mech_vent_cfm'] = units_per_bldg * (0.01 * conditioned_floor_area + 7.5 * (bedrooms_per_unit + 1.0)) internal_loads['infiltration_ach'] = if ['1A', '1B', '2A', '2B'].include? climate_zone_value 5.0 else 3.0 end internal_loads['igain_btu_per_day'] = units_per_bldg * (17_900.0 + 23.8 * conditioned_floor_area + 4104.0 * bedrooms_per_unit) internal_loads['internal_mass_lbs'] = total_floor_area * 8.0 return internal_loads end # Helper method to make a shortened version of a name # that will be readable in a GUI. def model_make_name(model, clim, building_type, spc_type) clim = clim.gsub('ClimateZone ', 'CZ') if clim == 'CZ1-8' clim = '' end if building_type == 'FullServiceRestaurant' building_type = 'FullSrvRest' elsif building_type == 'Hospital' building_type = 'Hospital' elsif building_type == 'LargeHotel' building_type = 'LrgHotel' elsif building_type == 'LargeOffice' building_type = 'LrgOffice' elsif building_type == 'MediumOffice' building_type = 'MedOffice' elsif building_type == 'MidriseApartment' building_type = 'MidApt' elsif building_type == 'HighriseApartment' building_type = 'HighApt' elsif building_type == 'Office' building_type = 'Office' elsif building_type == 'Outpatient' building_type = 'Outpatient' elsif building_type == 'PrimarySchool' building_type = 'PriSchl' elsif building_type == 'QuickServiceRestaurant' building_type = 'QckSrvRest' elsif building_type == 'Retail' building_type = 'Retail' elsif building_type == 'SecondarySchool' building_type = 'SecSchl' elsif building_type == 'SmallHotel' building_type = 'SmHotel' elsif building_type == 'SmallOffice' building_type = 'SmOffice' elsif building_type == 'StripMall' building_type = 'StMall' elsif building_type == 'SuperMarket' building_type = 'SpMarket' elsif building_type == 'Warehouse' building_type = 'Warehouse' end parts = [template] unless building_type.nil? parts << building_type end unless spc_type.nil? parts << spc_type end unless clim.empty? parts << clim end result = parts.join(' - ') return result end # Helper method to find out which climate zone set contains a specific climate zone. # Returns climate zone set name as String if success, nil if not found. def model_find_climate_zone_set(model, clim) result = nil possible_climate_zone_sets = [] standards_data['climate_zone_sets'].each do |climate_zone_set| if climate_zone_set['climate_zones'].include?(clim) possible_climate_zone_sets << climate_zone_set['name'] end end # Check the results if possible_climate_zone_sets.size.zero? OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Cannot find a climate zone set containing #{clim}") elsif possible_climate_zone_sets.size > 2 OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Found more than 2 climate zone sets containing #{clim}; will return last matching cliimate zone set.") end # Get the climate zone from the possible set climate_zone_set = model_get_climate_zone_set_from_list(model, possible_climate_zone_sets) # Check that a climate zone set was found if climate_zone_set.nil? OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Cannot find a climate zone set when #{template}") end return climate_zone_set end # Determine which climate zone to use. # Defaults to the least specific climate zone set. # For example, 2A and 2 both contain 2A, so use 2. def model_get_climate_zone_set_from_list(model, possible_climate_zone_sets) climate_zone_set = possible_climate_zone_sets.sort.first return climate_zone_set end # This method ensures that all spaces with spacetypes defined contain at least # a standardSpaceType appropriate for the template. So, if any space # with a space type defined does not have a Stnadard spacetype, or is undefined, an error will stop # with information that the spacetype needs to be defined. def model_validate_standards_spacetypes_in_model(model) error_string = '' # populate search hash model.getSpaces.sort.each do |space| unless space.spaceType.empty? if space.spaceType.get.standardsSpaceType.empty? || space.spaceType.get.standardsBuildingType.empty? error_string << "Space: #{space.name} has SpaceType of #{space.spaceType.get.name} but the standardSpaceType or standardBuildingType is undefined. Please use an appropriate standardSpaceType for #{template}\n" next else search_criteria = { 'template' => template, 'building_type' => space.spaceType.get.standardsBuildingType.get, 'space_type' => space.spaceType.get.standardsSpaceType.get } # lookup space type properties space_type_properties = model_find_object(standards_data['space_types'], search_criteria) if space_type_properties.nil? error_string << "Could not find spacetype of criteria : #{search_criteria}. Please ensure you have a valid standardSpaceType and stantdardBuildingType defined.\n" space_type_properties = {} end end end end if error_string == '' return true else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', error_string) return false end end # Create sorted hash of stories with data need to determine effective number of stories above and below grade # the key should be the story object, which would allow other measures the ability to for example loop through spaces of the bottom story # # @return [hash] hash of space types with data in value necessary to determine effective number of stories above and below grade def model_create_story_hash(model) story_hash = {} # loop through stories model.getBuildingStorys.sort.each do |story| # skip of story doesn't have any spaces next if story.spaces.empty? story_min_z = nil story_zone_multipliers = [] story_spaces_part_of_floor_area = [] story_spaces_not_part_of_floor_area = [] story_ext_wall_area = 0.0 story_ground_wall_area = 0.0 # loop through space surfaces to find min z value story.spaces.each do |space| # skip of space doesn't have any geometry next if space.surfaces.empty? # get space multiplier story_zone_multipliers << space.multiplier # space part of floor area check if space.partofTotalFloorArea story_spaces_part_of_floor_area << space else story_spaces_not_part_of_floor_area << space end # update exterior wall area (not sure if this is net or gross) story_ext_wall_area += space.exteriorWallArea space_min_z = nil z_points = [] space.surfaces.each do |surface| surface.vertices.each do |vertex| z_points << vertex.z end # update count of ground wall areas next if surface.surfaceType != 'Wall' next if surface.outsideBoundaryCondition != 'Ground' # TODO: - make more flexible for slab/basement model.modeling story_ground_wall_area += surface.grossArea end # skip if surface had no vertices next if z_points.empty? # update story min_z space_min_z = z_points.min + space.zOrigin if story_min_z.nil? || (story_min_z > space_min_z) story_min_z = space_min_z end end # update story hash story_hash[story] = {} story_hash[story][:min_z] = story_min_z story_hash[story][:multipliers] = story_zone_multipliers story_hash[story][:part_of_floor_area] = story_spaces_part_of_floor_area story_hash[story][:not_part_of_floor_area] = story_spaces_not_part_of_floor_area story_hash[story][:ext_wall_area] = story_ext_wall_area story_hash[story][:ground_wall_area] = story_ground_wall_area end # sort hash by min_z low to high story_hash = story_hash.sort_by { |k, v| v[:min_z] } # reassemble into hash after sorting hash = {} story_hash.each do |story, props| hash[story] = props end return hash end # populate this method # Determine the effective number of stories above and below grade # # @return hash with effective_num_stories_below_grade and effective_num_stories_above_grade def model_effective_num_stories(model) below_grade = 0 above_grade = 0 # call model_create_story_hash(model) story_hash = model_create_story_hash(model) story_hash.each do |story, hash| # skip if no spaces in story are included in the building area next if hash[:part_of_floor_area].empty? # only count as below grade if ground wall area is greater than ext wall area and story below is also below grade if above_grade.zero? && (hash[:ground_wall_area] > hash[:ext_wall_area]) below_grade += 1 * hash[:multipliers].min else above_grade += 1 * hash[:multipliers].min end end # populate hash effective_num_stories = {} effective_num_stories[:below_grade] = below_grade effective_num_stories[:above_grade] = above_grade effective_num_stories[:story_hash] = story_hash return effective_num_stories end # create space_type_hash with info such as effective_num_spaces, num_units, num_meds, num_meals # # @param trust_effective_num_spaces [Bool] defaults to false - set to true if modeled every space as a real rpp, vs. space as collection of rooms # @return [hash] hash of space types with misc information # @todo - add code when determining number of units to makeuse of trust_effective_num_spaces arg def model_create_space_type_hash(model, trust_effective_num_spaces = false) # assumed class size to deduct teachers from occupant count for classrooms typical_class_size = 20.0 space_type_hash = {} model.getSpaceTypes.sort.each do |space_type| # get standards info stds_bldg_type = space_type.standardsBuildingType stds_space_type = space_type.standardsSpaceType if stds_bldg_type.is_initialized && stds_space_type.is_initialized && !space_type.spaces.empty? stds_bldg_type = stds_bldg_type.get stds_space_type = stds_space_type.get effective_num_spaces = 0 floor_area = 0.0 num_people = 0.0 num_students = 0.0 num_units = 0.0 num_beds = 0.0 num_people_bldg_total = nil # may need this in future, not same as sumo of people for all space types. num_meals = nil # determine num_elevators in another method # determine num_parking_spots in another method # loop through spaces to get mis values space_type.spaces.sort.each do |space| next unless space.partofTotalFloorArea effective_num_spaces += space.multiplier floor_area += space.floorArea * space.multiplier num_people += space.numberOfPeople * space.multiplier end # determine number of units if stds_bldg_type == 'SmallHotel' && stds_space_type.include?('GuestRoom') # doesn't always == GuestRoom so use include? avg_unit_size = OpenStudio.convert(354.2, 'ft^2', 'm^2').get # calculated from prototype num_units = floor_area / avg_unit_size elsif stds_bldg_type == 'LargeHotel' && stds_space_type.include?('GuestRoom') avg_unit_size = OpenStudio.convert(279.7, 'ft^2', 'm^2').get # calculated from prototype num_units = floor_area / avg_unit_size elsif stds_bldg_type == 'MidriseApartment' && stds_space_type.include?('Apartment') avg_unit_size = OpenStudio.convert(949.9, 'ft^2', 'm^2').get # calculated from prototype num_units = floor_area / avg_unit_size elsif stds_bldg_type == 'HighriseApartment' && stds_space_type.include?('Apartment') avg_unit_size = OpenStudio.convert(949.9, 'ft^2', 'm^2').get # calculated from prototype num_units = floor_area / avg_unit_size elsif stds_bldg_type == 'StripMall' avg_unit_size = OpenStudio.convert(22_500.0 / 10.0, 'ft^2', 'm^2').get # calculated from prototype num_units = floor_area / avg_unit_size end # determine number of beds if stds_bldg_type == 'Hospital' && ['PatRoom', 'ICU_PatRm', 'ICU_Open'].include?(stds_space_type) num_beds = num_people end # determine number of students if ['PrimarySchool', 'SecondarySchool'].include?(stds_bldg_type) && stds_space_type == 'Classroom' num_students += num_people * ((typical_class_size - 1.0) / typical_class_size) end space_type_hash[space_type] = {} space_type_hash[space_type][:stds_bldg_type] = stds_bldg_type space_type_hash[space_type][:stds_space_type] = stds_space_type space_type_hash[space_type][:effective_num_spaces] = effective_num_spaces space_type_hash[space_type][:floor_area] = floor_area space_type_hash[space_type][:num_people] = num_people space_type_hash[space_type][:num_students] = num_students space_type_hash[space_type][:num_units] = num_units space_type_hash[space_type][:num_beds] = num_beds OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{space_type.name}, floor area = #{OpenStudio.convert(floor_area, 'm^2', 'ft^2').get.round} ft^2.") unless floor_area == 0.0 OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{space_type.name}, number of spaces = #{effective_num_spaces}.") unless effective_num_spaces == 0.0 OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{space_type.name}, number of units = #{num_units}.") unless num_units == 0.0 OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{space_type.name}, number of people = #{num_people.round}.") unless num_people == 0.0 OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{space_type.name}, number of students = #{num_students}.") unless num_students == 0.0 OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{space_type.name}, number of beds = #{num_beds}.") unless num_beds == 0.0 OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "For #{space_type.name}, number of meals = #{num_meals}.") unless num_meals.nil? else OpenStudio.logFree(OpenStudio::Info, 'openstudio.standards.Model', "Cannot identify standards buidling type and space type for #{space_type.name}, it won't be added to space_type_hash.") end end return space_type_hash.sort.to_h end private # Helper method to fill in hourly values def model_add_vals_to_sch(model, day_sch, sch_type, values) if sch_type == 'Constant' day_sch.addValue(OpenStudio::Time.new(0, 24, 0, 0), values[0]) elsif sch_type == 'Hourly' (0..23).each do |i| next if values[i] == values[i + 1] day_sch.addValue(OpenStudio::Time.new(0, i + 1, 0, 0), values[i]) end else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Model', "Schedule type: #{sch_type} is not recognized. Valid choices are 'Constant' and 'Hourly'.") end end # Modify the existing service water heating loops # to match the baseline required heating type. # @return [Bool] return true if successful, false if not # @author Julien Marrec def model_apply_baseline_swh_loops(model, building_type) model.getPlantLoops.sort.each do |plant_loop| # Skip non service water heating loops next unless plant_loop_swh_loop?(plant_loop) # Rename the loop to avoid accidentally hooking # up the HVAC systems to this loop later. plant_loop.setName('Service Water Heating Loop') htg_fuels, combination_system, storage_capacity, total_heating_capacity = plant_loop_swh_system_type(plant_loop) # htg_fuels.size == 0 shoudln't happen electric = true if htg_fuels.include?('NaturalGas') || htg_fuels.include?('PropaneGas') || htg_fuels.include?('FuelOil#1') || htg_fuels.include?('FuelOil#2') || htg_fuels.include?('Coal') || htg_fuels.include?('Diesel') || htg_fuels.include?('Gasoline') electric = false end # Per Table G3.1 11.e, if the baseline system was a combination of # heating and service water heating, delete all heating equipment # and recreate a WaterHeater:Mixed. if combination_system plant_loop.supplyComponents.each do |component| # Get the object type obj_type = component.iddObjectType.valueName.to_s next if ['OS_Node', 'OS_Pump_ConstantSpeed', 'OS_Pump_VariableSpeed', 'OS_Connector_Splitter', 'OS_Connector_Mixer', 'OS_Pipe_Adiabatic'].include?(obj_type) component.remove end water_heater = OpenStudio::Model::WaterHeaterMixed.new(model) water_heater.setName('Baseline Water Heater') water_heater.setHeaterMaximumCapacity(total_heating_capacity) water_heater.setTankVolume(storage_capacity) plant_loop.addSupplyBranchForComponent(water_heater) if electric # G3.1.11.b: If electric, WaterHeater:Mixed with electric resistance water_heater.setHeaterFuelType('Electricity') water_heater.setHeaterThermalEfficiency(1.0) else # TODO: for now, just get the first fuel that isn't Electricity # A better way would be to count the capacities associated # with each fuel type and use the preponderant one fuels = htg_fuels - ['Electricity'] fossil_fuel_type = fuels[0] water_heater.setHeaterFuelType(fossil_fuel_type) water_heater.setHeaterThermalEfficiency(0.8) end # If it's not a combination heating and service water heating system # just change the fuel type of all water heaters on the system # to electric resistance if it's electric else if electric plant_loop.supplyComponents.each do |component| next unless component.to_WaterHeaterMixed.is_initialized water_heater = component.to_WaterHeaterMixed.get # G3.1.11.b: If electric, WaterHeater:Mixed with electric resistance water_heater.setHeaterFuelType('Electricity') water_heater.setHeaterThermalEfficiency(1.0) end end end end # Set the water heater fuel types if it's 90.1-2013 model.getWaterHeaterMixeds.sort.each do |water_heater| water_heater_mixed_apply_prm_baseline_fuel_type(water_heater, building_type) end return true end # This method goes through certain types of EnergyManagementSystem # variables and replaces UIDs with object names. This should # be done by the forward translator, and this code should be # removed after this bug is fixed: # https://github.com/NREL/OpenStudio/issues/2598 # # @todo remove this method after OpenStudio issue #2598 is fixed. def model_temp_fix_ems_references(model) # Internal Variables model.getEnergyManagementSystemInternalVariables.sort.each do |var| # Get the reference field value ref = var.internalDataIndexKeyName # Convert to UUID uid = OpenStudio.toUUID(ref) # Get the model object with this UID obj = model.getModelObject(uid) # If it exists, replace the UID with the object name if obj.is_initialized var.setInternalDataIndexKeyName(obj.get.name.get) end end return true end # Loads a osm as a starting point. # # @return [Bool] returns true if successful, false if not def load_initial_osm(osm_file) # Load the geometry .osm unless File.exist?(osm_file) raise("The initial osm path: #{osm_file} does not exist.") end osm_model_path = OpenStudio::Path.new(osm_file.to_s) # Upgrade version if required. version_translator = OpenStudio::OSVersion::VersionTranslator.new model = version_translator.loadModel(osm_model_path).get if model.getBuildingStorys.empty? OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Please assign Spaces to BuildingStorys in the geometry model: #{osm_model_path}.") end if model.getThermalZones.empty? OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Please assign Spaces to ThermalZones in the geometry model: #{osm_model_path}.") end if model.getBuilding.standardsNumberOfStories.empty? OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Please define Building.standardsNumberOfStories in the geometry model #{osm_model_path}.") end if model.getBuilding.standardsNumberOfAboveGroundStories.empty? OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Please define Building.standardsNumberOfAboveStories in the geometry model#{osm_model_path}.") end if @space_type_map.nil? || @space_type_map.empty? @space_type_map = get_space_type_maps_from_model(model) if @space_type_map.nil? || @space_type_map.empty? OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Please assign SpaceTypes in the geometry model: #{osm_model_path} or in standards database #{@space_type_map}.") else @space_type_map = @space_type_map.sort.to_h OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', "Loaded space type map from osm file: #{osm_model_path}") end end # ensure that model is intersected correctly. model.getSpaces.each { |space1| model.getSpaces.each { |space2| space1.intersectSurfaces(space2) } } # Get multipliers from TZ in model. Need this for HVAC contruction. @space_multiplier_map = {} model.getSpaces.sort.each do |space| @space_multiplier_map[space.name.get] = space.multiplier if space.multiplier > 1 end OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished adding geometry') unless @space_multiplier_map.empty? OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', "Found mulitpliers for space #{@space_multiplier_map}") end return model end end