110 lines
6.0 KiB
Python
110 lines
6.0 KiB
Python
"""
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UsPhysicsParameters import the construction and material information for US
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2020 Project Author Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
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Contributors Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
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"""
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import sys
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from imports.construction.nrel_physics_interface import NrelPhysicsInterface
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from imports.construction.helpers.construction_helper import ConstructionHelper
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from city_model_structure.building_demand.layer import Layer
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from city_model_structure.building_demand.material import Material
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from imports.construction.helpers.storeys_generation import StoreysGeneration
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class UsPhysicsParameters(NrelPhysicsInterface):
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"""
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UsPhysicsParameters class
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"""
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def __init__(self, city, base_path):
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self._city = city
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self._climate_zone = ConstructionHelper.city_to_nrel_climate_zone(city.name)
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super().__init__(base_path, 'us_constructions.xml', 'us_archetypes.xml')
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def enrich_buildings(self):
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"""
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Returns the city with the construction parameters assigned to the buildings
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:return: None
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"""
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city = self._city
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# it is assumed that all buildings have the same archetypes' keys
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for building in city.buildings:
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building_type = ConstructionHelper.nrel_from_function(building.function)
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if building_type is None:
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return
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archetype = self._search_archetype(building_type,
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ConstructionHelper.yoc_to_nrel_standard(building.year_of_construction),
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self._climate_zone)
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if archetype is None:
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sys.stderr.write(f'Building {building.name} has unknown archetype for building function: {building.function} '
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f'and building year of construction: {building.year_of_construction}\n')
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continue
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self._create_storeys(building, archetype)
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self._assign_values(building, archetype)
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def _search_archetype(self, building_type, standard, climate_zone):
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for building_archetype in self._building_archetypes:
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a_yc = str(building_archetype.archetype_keys['@reference_standard'])
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a_bt = str(building_archetype.archetype_keys['@building_type'])
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a_cz = str(building_archetype.archetype_keys['@climate_zone'])
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if (a_yc == str(standard)) and (a_bt == str(building_type)) and (a_cz == str(climate_zone)):
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return building_archetype
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return None
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def _assign_values(self, building, archetype):
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for thermal_zone in building.thermal_zones:
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thermal_zone.additional_thermal_bridge_u_value = archetype.additional_thermal_bridge_u_value
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thermal_zone.effective_thermal_capacity = archetype.effective_thermal_capacity
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thermal_zone.indirectly_heated_area_ratio = archetype.indirectly_heated_area_ratio
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thermal_zone.infiltration_rate_system_on = archetype.infiltration_rate_system_on
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thermal_zone.infiltration_rate_system_off = archetype.infiltration_rate_system_off
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for thermal_boundary in thermal_zone.thermal_boundaries:
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construction_type = ConstructionHelper.nrel_construction_types[thermal_boundary.type]
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thermal_boundary_archetype = self._search_construction_in_archetype(archetype, construction_type)
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if thermal_boundary_archetype.outside_solar_absorptance is not None:
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thermal_boundary.outside_solar_absorptance = thermal_boundary_archetype.outside_solar_absorptance
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thermal_boundary.outside_thermal_absorptance = thermal_boundary_archetype.outside_thermal_absorptance
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thermal_boundary.outside_visible_absorptance = thermal_boundary_archetype.outside_visible_absorptance
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thermal_boundary.construction_name = thermal_boundary_archetype.construction_name
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thermal_boundary.window_ratio = thermal_boundary_archetype.window_ratio
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thermal_boundary.layers = []
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for layer_archetype in thermal_boundary_archetype.layers:
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layer = Layer()
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layer.thickness = layer_archetype.thickness
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material = Material()
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material.name = layer_archetype.name
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material.no_mass = layer_archetype.no_mass
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material.density = layer_archetype.density
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material.conductivity = layer_archetype.conductivity
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material.specific_heat = layer_archetype.specific_heat
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material.solar_absorptance = layer_archetype.solar_absorptance
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material.thermal_absorptance = layer_archetype.thermal_absorptance
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material.visible_absorptance = layer_archetype.visible_absorptance
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material.thermal_resistance = layer_archetype.thermal_resistance
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if layer_archetype.lca_id is not None:
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material.lca_id = layer_archetype.lca_id
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layer.material = material
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thermal_boundary.layers.append(layer)
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for thermal_opening in thermal_boundary.thermal_openings:
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if thermal_boundary_archetype.thermal_opening is not None:
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thermal_opening_archetype = thermal_boundary_archetype.thermal_opening
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thermal_opening.frame_ratio = thermal_opening_archetype.frame_ratio
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thermal_opening.g_value = thermal_opening_archetype.g_value
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thermal_opening.conductivity = thermal_opening_archetype.conductivity
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thermal_opening.thickness = thermal_opening_archetype.thickness
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thermal_opening.back_side_solar_transmittance_at_normal_incidence = \
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thermal_opening_archetype.back_side_solar_transmittance_at_normal_incidence
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thermal_opening.front_side_solar_transmittance_at_normal_incidence = \
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thermal_opening_archetype.front_side_solar_transmittance_at_normal_incidence
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@staticmethod
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def _create_storeys(building, archetype):
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building.average_storey_height = archetype.average_storey_height
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building.storeys_above_ground = archetype.storeys_above_ground
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storeys_generation = StoreysGeneration(building)
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storeys = storeys_generation.storeys
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building.storeys = storeys
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storeys_generation.assign_thermal_zones_delimited_by_thermal_boundaries()
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