lib/openstudio-standards/standards/Standards.Construction.rb in openstudio-standards-0.1.15 vs lib/openstudio-standards/standards/Standards.Construction.rb in openstudio-standards-0.2.0.rc1

- old
+ new

@@ -1,8 +1,9 @@ -# Reopen the OpenStudio class to add methods to apply standards to this object -class OpenStudio::Model::Construction +class Standard + # @!group Construction + # Sets the U-value of a construction to a specified value # by modifying the thickness of the insulation layer. # # @param target_u_value_ip [Double] U-Value (Btu/ft^2*hr*R) # @param insulation_layer_name [String] The name of the insulation layer in this construction @@ -10,125 +11,80 @@ # Valid choices: 'AtticFloor', 'AtticWall', 'AtticRoof', 'DemisingFloor', 'InteriorFloor', 'InteriorCeiling', # 'DemisingWall', 'InteriorWall', 'InteriorPartition', 'InteriorWindow', 'InteriorDoor', 'DemisingRoof', # 'ExteriorRoof', 'Skylight', 'TubularDaylightDome', 'TubularDaylightDiffuser', 'ExteriorFloor', # 'ExteriorWall', 'ExteriorWindow', 'ExteriorDoor', 'GlassDoor', 'OverheadDoor', 'GroundContactFloor', # 'GroundContactWall', 'GroundContactRoof' - # @param target_includes_film_coefficients [Bool] if true, subtracts off standard film coefficients from your + # @param target_includes_int_film_coefficients [Bool] if true, subtracts off standard film interior coefficients from your # target_u_value before modifying insulation thickness. Film values from 90.1-2010 A9.4.1 Air Films + # @param target_includes_ext_film_coefficients [Bool] if true, subtracts off standard exterior film coefficients from your + # target_u_value before modifying insulation thickness. Film values from 90.1-2010 A9.4.1 Air Films # @return [Bool] returns true if successful, false if not # @todo Put in Phlyroy's logic for inferring the insulation layer of a construction - def set_u_value(target_u_value_ip, insulation_layer_name = nil, intended_surface_type = 'ExteriorWall', target_includes_film_coefficients = true) - OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "Setting U-Value for #{name}.") + def construction_set_u_value(construction, target_u_value_ip, insulation_layer_name = nil, intended_surface_type = 'ExteriorWall', target_includes_int_film_coefficients, target_includes_ext_film_coefficients) + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "Setting U-Value for #{construction.name}.") - # Skip fenestration constructions - if isFenestration - OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.ConstructionBase', "Can only set the u-value of opaque constructions. #{name} is not opaque.") + # Skip layer-by-layer fenestration constructions + if construction.isFenestration + OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.ConstructionBase', "Can only set the u-value of opaque constructions or simple glazing. #{construction.name} is not opaque or simple glazing.") return false end # Make sure an insulation layer was specified if insulation_layer_name.nil? && target_u_value_ip == 0.0 # Do nothing if the construction already doesn't have an insulation layer elsif insulation_layer_name.nil? - OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.ConstructionBase', "Requested U-value of #{target_u_value_ip} for #{name}, but this construction has no insulation layer specified. Requested U-value will not be set.") + OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.ConstructionBase', "Requested U-value of #{target_u_value_ip} for #{construction.name}, but this construction has no insulation layer specified. Requested U-value will not be set.") return false end # Remove the insulation layer if the specified U-value is zero. if target_u_value_ip == 0.0 layer_index = 0 - layers.each do |layer| + construction.layers.each do |layer| break if layer.name.get == insulation_layer_name layer_index += 1 end - eraseLayer(layer_index) + construction.eraseLayer(layer_index) return true end # Convert the target U-value to SI target_u_value_ip = target_u_value_ip.to_f target_r_value_ip = 1.0 / target_u_value_ip target_u_value_si = OpenStudio.convert(target_u_value_ip, 'Btu/ft^2*hr*R', 'W/m^2*K').get target_r_value_si = 1.0 / target_u_value_si - OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "#{name}.") - OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_u_value_ip = #{target_u_value_ip.round(3)} for #{name}.") - OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_r_value_ip = #{target_r_value_ip.round(2)} for #{name}.") - OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_u_value_si = #{target_u_value_si.round(3)} for #{name}.") - OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_r_value_si = #{target_r_value_si.round(2)} for #{name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "#{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_u_value_ip = #{target_u_value_ip.round(3)} for #{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_r_value_ip = #{target_r_value_ip.round(2)} for #{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_u_value_si = #{target_u_value_si.round(3)} for #{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_r_value_si = #{target_r_value_si.round(2)} for #{construction.name}.") # Determine the R-value of the non-insulation layers other_layer_r_value_si = 0.0 - layers.each do |layer| + construction.layers.each do |layer| next if layer.to_OpaqueMaterial.empty? next if layer.name.get == insulation_layer_name other_layer_r_value_si += layer.to_OpaqueMaterial.get.thermalResistance end - # TODO: - remove code below and use film_coefficients_u_value method instead # Determine the R-value of the air films, if requested - # Film values from 90.1-2010 A9.4.1 Air Films - if target_includes_film_coefficients - film_ext_surf_r_ip = 0.17 - film_semi_ext_surf_r_ip = 0.46 - film_int_surf_ht_flow_up_r_ip = 0.61 - film_int_surf_ht_flow_dwn_r_ip = 0.92 - fil_int_surf_vertical_r_ip = 0.68 + other_layer_r_value_si += film_coefficients_r_value(intended_surface_type, target_includes_int_film_coefficients, target_includes_ext_film_coefficients) - film_ext_surf_r_si = OpenStudio.convert(film_ext_surf_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - film_semi_ext_surf_r_si = OpenStudio.convert(film_semi_ext_surf_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - film_int_surf_ht_flow_up_r_si = OpenStudio.convert(film_int_surf_ht_flow_up_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - film_int_surf_ht_flow_dwn_r_si = OpenStudio.convert(film_int_surf_ht_flow_dwn_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - fil_int_surf_vertical_r_si = OpenStudio.convert(fil_int_surf_vertical_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - - case intended_surface_type - when 'AtticFloor' - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Outside - other_layer_r_value_si += film_semi_ext_surf_r_si # Inside - when 'AtticWall', 'AtticRoof' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += film_semi_ext_surf_r_si # Inside - when 'DemisingFloor', 'InteriorFloor' - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Inside - when 'InteriorCeiling' - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Inside - when 'DemisingWall', 'InteriorWall', 'InteriorPartition', 'InteriorWindow', 'InteriorDoor' - other_layer_r_value_si += fil_int_surf_vertical_r_si # Outside - other_layer_r_value_si += fil_int_surf_vertical_r_si # Inside - when 'DemisingRoof', 'ExteriorRoof', 'Skylight', 'TubularDaylightDome', 'TubularDaylightDiffuser' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Inside - when 'ExteriorFloor' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Inside - when 'ExteriorWall', 'ExteriorWindow', 'ExteriorDoor', 'GlassDoor', 'OverheadDoor' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += fil_int_surf_vertical_r_si # Inside - when 'GroundContactFloor' - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Inside - when 'GroundContactWall' - other_layer_r_value_si += fil_int_surf_vertical_r_si # Inside - when 'GroundContactRoof' - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Inside - end - end - # Determine the difference between the desired R-value # and the R-value of the non-insulation layers and air films. # This is the desired R-value of the insulation. ins_r_value_si = target_r_value_si - other_layer_r_value_si if ins_r_value_si <= 0.0 - OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.ConstructionBase', "Requested U-value of #{target_u_value_ip} for #{name} is too low given the other materials in the construction; insulation layer will not be modified.") + OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.ConstructionBase', "Requested U-value of #{target_u_value_ip} for #{construction.name} is too low given the other materials in the construction; insulation layer will not be modified.") return false end ins_r_value_ip = OpenStudio.convert(ins_r_value_si, 'm^2*K/W', 'ft^2*h*R/Btu').get # Set the R-value of the insulation layer - layers.each do |layer| + construction.layers.each do |layer| next unless layer.name.get == insulation_layer_name if layer.to_StandardOpaqueMaterial.is_initialized layer = layer.to_StandardOpaqueMaterial.get layer.setThickness(ins_r_value_si * layer.getConductivity) layer.setName("#{layer.name} R-#{ins_r_value_ip.round(2)}") @@ -146,33 +102,141 @@ break # Stop looking for the insulation layer once found end end # Modify the construction name - setName("#{name} R-#{target_r_value_ip.round(2)}") + construction.setName("#{construction.name} R-#{target_r_value_ip.round(2)}") return true end + # Sets the U-value of a construction to a specified value + # by modifying the thickness of the insulation layer. + # + # @param target_u_value_ip [Double] U-Value (Btu/ft^2*hr*R) + # @param intended_surface_type [String] + # Valid choices: 'AtticFloor', 'AtticWall', 'AtticRoof', 'DemisingFloor', 'InteriorFloor', 'InteriorCeiling', + # 'DemisingWall', 'InteriorWall', 'InteriorPartition', 'InteriorWindow', 'InteriorDoor', 'DemisingRoof', + # 'ExteriorRoof', 'Skylight', 'TubularDaylightDome', 'TubularDaylightDiffuser', 'ExteriorFloor', + # 'ExteriorWall', 'ExteriorWindow', 'ExteriorDoor', 'GlassDoor', 'OverheadDoor', 'GroundContactFloor', + # 'GroundContactWall', 'GroundContactRoof' + # @param target_includes_int_film_coefficients [Bool] if true, subtracts off standard film interior coefficients from your + # target_u_value before modifying insulation thickness. Film values from 90.1-2010 A9.4.1 Air Films + # @param target_includes_ext_film_coefficients [Bool] if true, subtracts off standard exterior film coefficients from your + # target_u_value before modifying insulation thickness. Film values from 90.1-2010 A9.4.1 Air Films + # @return [Bool] returns true if successful, false if not + def construction_set_glazing_u_value(construction, target_u_value_ip, intended_surface_type = 'ExteriorWall', target_includes_int_film_coefficients, target_includes_ext_film_coefficients) + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "Setting U-Value for #{construction.name}.") + + # Skip layer-by-layer fenestration constructions + unless construction_simple_glazing?(construction) + OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.ConstructionBase', "Can only set the u-value of simple glazing. #{construction.name} is not simple glazing.") + return false + end + + # Convert the target U-value to SI + target_u_value_ip = target_u_value_ip.to_f + target_r_value_ip = 1.0 / target_u_value_ip + + target_u_value_si = OpenStudio.convert(target_u_value_ip, 'Btu/ft^2*hr*R', 'W/m^2*K').get + target_r_value_si = 1.0 / target_u_value_si + + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "#{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_u_value_ip = #{target_u_value_ip.round(3)} for #{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_r_value_ip = #{target_r_value_ip.round(2)} for #{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_u_value_si = #{target_u_value_si.round(3)} for #{construction.name}.") + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "---target_r_value_si = #{target_r_value_si.round(2)} for #{construction.name}.") + + # Determine the R-value of the air films, if requested + film_coeff_r_value_si = 0.0 + film_coeff_r_value_si += film_coefficients_r_value(intended_surface_type, target_includes_int_film_coefficients, target_includes_ext_film_coefficients) + film_coeff_u_value_si = 1.0 / film_coeff_r_value_si + film_coeff_u_value_ip = OpenStudio.convert(film_coeff_u_value_si, 'W/m^2*K', 'Btu/ft^2*hr*R').get + + # Determine the difference between the desired R-value + # and the R-value of the and air films. + # This is the desired R-value of the insulation. + ins_r_value_si = target_r_value_si - film_coeff_r_value_si + if ins_r_value_si <= 0.0 + OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.ConstructionBase', "Requested U-value of #{target_u_value_ip} for #{construction.name} is too high given the film coefficients of U-#{film_coeff_u_value_ip.round(2)}; U-value will not be modified.") + return false + end + ins_u_value_si = 1.0 / ins_r_value_si + ins_u_value_ip = OpenStudio.convert(ins_u_value_si, 'W/m^2*K', 'Btu/ft^2*hr*R').get + + # Set the U-value of the insulation layer + glass_layer = construction.layers.first.to_SimpleGlazing.get + glass_layer.setUFactor(ins_u_value_si) + glass_layer.setName("#{glass_layer.name} U-#{ins_u_value_ip.round(2)}") + + # Modify the construction name + construction.setName("#{construction.name} U-#{target_u_value_ip.round(2)}") + + return true + end + + # Sets the U-value of a construction to a specified value + # by modifying the thickness of the insulation layer. + # + # @param target_shgc [Double] Solar Heat Gain Coefficient + # @return [Bool] returns true if successful, false if not + def construction_set_glazing_shgc(construction, target_shgc) + OpenStudio.logFree(OpenStudio::Debug, 'openstudio.standards.ConstructionBase', "Setting SHGC for #{construction.name}.") + + # Skip layer-by-layer fenestration constructions + unless construction_simple_glazing?(construction) + OpenStudio.logFree(OpenStudio::Warn, 'openstudio.standards.ConstructionBase', "Can only set the SHGC of simple glazing. #{construction.name} is not simple glazing.") + return false + end + + # Set the SHGC + glass_layer = construction.layers.first.to_SimpleGlazing.get + glass_layer.setSolarHeatGainCoefficient(target_shgc) + glass_layer.setName("#{glass_layer.name} SHGC #{target_shgc.round(2)}") + + # Modify the construction name + construction.setName("#{construction.name} SHGC #{target_shgc.round(2)}") + + return true + end + + # Determines if the construction is a simple glazing construction, + # as indicated by having a single layer of type SimpleGlazing. + # @return [Bool] returns true if it is a simple glazing, false if not. + def construction_simple_glazing?(construction) + # Not simple if more than 1 layer + if construction.layers.length > 1 + return false + end + + # Not simple unless the layer is a SimpleGlazing material + if construction.layers.first.to_SimpleGlazing.empty? + return false + end + + # If here, must be simple glazing + return true + end + # Set the F-Factor of a slab to a specified value. # Assumes an unheated, fully insulated slab, and modifies # the insulation layer according to the values from 90.1-2004 # Table A6.3 Assembly F-Factors for Slab-on-Grade Floors. # # @param target_f_factor_ip [Double] F-Factor # @param insulation_layer_name [String] The name of the insulation layer in this construction # @return [Bool] returns true if successful, false if not - def set_slab_f_factor(target_f_factor_ip, insulation_layer_name = nil) + def construction_set_slab_f_factor(construction, target_f_factor_ip, insulation_layer_name = nil) # Regression from table A6.3 unheated, fully insulated slab r_value_ip = 1.0248 * target_f_factor_ip**-2.186 u_value_ip = 1.0 / r_value_ip # Set the insulation U-value - set_u_value(u_value_ip, insulation_layer_name, 'GroundContactFloor', true) + construction_set_u_value(construction, u_value_ip, insulation_layer_name, 'GroundContactFloor', true, true) # Modify the construction name - setName("#{name} F-#{target_f_factor_ip.round(3)}") + construction.setName("#{construction.name} F-#{target_f_factor_ip.round(3)}") return true end # Set the C-Factor of an underground wall to a specified value. @@ -181,33 +245,33 @@ # Table A4.2 Assembly C-Factors for Below-Grade walls. # # @param target_c_factor_ip [Double] C-Factor # @param insulation_layer_name [String] The name of the insulation layer in this construction # @return [Bool] returns true if successful, false if not - def set_underground_wall_c_factor(target_c_factor_ip, insulation_layer_name = nil) + def construction_set_underground_wall_c_factor(construction, target_c_factor_ip, insulation_layer_name = nil) # Regression from table A4.2 continuous exterior insulation r_value_ip = 0.775 * target_c_factor_ip**-1.067 u_value_ip = 1.0 / r_value_ip # Set the insulation U-value - set_u_value(u_value_ip, insulation_layer_name, 'GroundContactWall', true) + construction_set_u_value(construction, u_value_ip, insulation_layer_name, 'GroundContactWall', true, true) # Modify the construction name - setName("#{name} C-#{target_c_factor_ip.round(3)}") + construction.setName("#{construction.name} C-#{target_c_factor_ip.round(3)}") return true end # Get the SHGC as calculated by EnergyPlus. # Only applies to fenestration constructions. # @return [Double] the SHGC as a decimal. - def calculated_solar_heat_gain_coefficient + def construction_calculated_solar_heat_gain_coefficient(construction) construction_name = name.get.to_s shgc = nil - sql = model.sqlFile + sql = construction.model.sqlFile if sql.is_initialized sql = sql.get row_query = "SELECT RowName @@ -248,16 +312,16 @@ end # Get the VT as calculated by EnergyPlus. # Only applies to fenestration constructions. # @return [Double] the visible transmittance as a decimal. - def calculated_visible_transmittance + def construction_calculated_visible_transmittance(construction) construction_name = name.get.to_s vt = nil - sql = model.sqlFile + sql = construction.model.sqlFile if sql.is_initialized sql = sql.get row_query = "SELECT RowName @@ -298,16 +362,16 @@ end # Get the U-Factor as calculated by EnergyPlus. # Only applies to fenestration constructions. # @return [Double] the U-Factor in W/m^2*K. - def calculated_u_factor + def construction_calculated_u_factor(construction) construction_name = name.get.to_s u_factor_w_per_m2_k = nil - sql = model.sqlFile + sql = construction.model.sqlFile if sql.is_initialized sql = sql.get row_query = "SELECT RowName @@ -343,69 +407,7 @@ else OpenStudio.logFree(OpenStudio::Error, 'openstudio.standards.Space', 'Model has no sql file containing results, cannot lookup data.') end return u_factor_w_per_m2_k - end - - # Returns the R-value of the combined inside and outside - # air film values from 90.1-2010 A9.4.1 Air Films - # @param intended_surface_type [String] - # Valid choices: 'AtticFloor', 'AtticWall', 'AtticRoof', 'DemisingFloor', 'InteriorFloor', 'InteriorCeiling', - # 'DemisingWall', 'InteriorWall', 'InteriorPartition', 'InteriorWindow', 'InteriorDoor', 'DemisingRoof', - # 'ExteriorRoof', 'Skylight', 'TubularDaylightDome', 'TubularDaylightDiffuser', 'ExteriorFloor', - # 'ExteriorWall', 'ExteriorWindow', 'ExteriorDoor', 'GlassDoor', 'OverheadDoor', 'GroundContactFloor', - # 'GroundContactWall', 'GroundContactRoof' - # @return [double] r-value in m^2*K/W. - def film_coefficients_r_value(intended_surface_type) - other_layer_r_value_si = 0.0 - - # Determine the R-value of the air films, if requested - # Film values from 90.1-2010 A9.4.1 Air Films - film_ext_surf_r_ip = 0.17 - film_semi_ext_surf_r_ip = 0.46 - film_int_surf_ht_flow_up_r_ip = 0.61 - film_int_surf_ht_flow_dwn_r_ip = 0.92 - fil_int_surf_vertical_r_ip = 0.68 - - film_ext_surf_r_si = OpenStudio.convert(film_ext_surf_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - film_semi_ext_surf_r_si = OpenStudio.convert(film_semi_ext_surf_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - film_int_surf_ht_flow_up_r_si = OpenStudio.convert(film_int_surf_ht_flow_up_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - film_int_surf_ht_flow_dwn_r_si = OpenStudio.convert(film_int_surf_ht_flow_dwn_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - fil_int_surf_vertical_r_si = OpenStudio.convert(fil_int_surf_vertical_r_ip, 'ft^2*hr*R/Btu', 'm^2*K/W').get - - case intended_surface_type - when 'AtticFloor' - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Outside - other_layer_r_value_si += film_semi_ext_surf_r_si # Inside - when 'AtticWall', 'AtticRoof' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += film_semi_ext_surf_r_si # Inside - when 'DemisingFloor', 'InteriorFloor' - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Inside - when 'InteriorCeiling' - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Inside - when 'DemisingWall', 'InteriorWall', 'InteriorPartition', 'InteriorWindow', 'InteriorDoor' - other_layer_r_value_si += fil_int_surf_vertical_r_si # Outside - other_layer_r_value_si += fil_int_surf_vertical_r_si # Inside - when 'DemisingRoof', 'ExteriorRoof', 'Skylight', 'TubularDaylightDome', 'TubularDaylightDiffuser' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Inside - when 'ExteriorFloor' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Inside - when 'ExteriorWall', 'ExteriorWindow', 'ExteriorDoor', 'GlassDoor', 'OverheadDoor' - other_layer_r_value_si += film_ext_surf_r_si # Outside - other_layer_r_value_si += fil_int_surf_vertical_r_si # Inside - when 'GroundContactFloor' - other_layer_r_value_si += film_int_surf_ht_flow_dwn_r_si # Inside - when 'GroundContactWall' - other_layer_r_value_si += fil_int_surf_vertical_r_si # Inside - when 'GroundContactRoof' - other_layer_r_value_si += film_int_surf_ht_flow_up_r_si # Inside - end - - return other_layer_r_value_si end end