137 lines
6.9 KiB
Python
137 lines
6.9 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 © 2022 Concordia CERC group
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Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
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Code 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 catalog_factories.construction_catalog_factory import ConstructionCatalogFactory
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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.construction_helper import ConstructionHelper
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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, divide_in_storeys=False):
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self._city = city
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self._path = base_path
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self._divide_in_storeys = divide_in_storeys
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self._climate_zone = ConstructionHelper.city_to_nrel_climate_zone(city.name)
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super().__init__()
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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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"""
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# todo: erase
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city = self._city
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for building in city.buildings:
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try:
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archetype = self._search_archetype(building.function, building.year_of_construction, self._climate_zone)
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except KeyError:
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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} '
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f'and climate zone reference norm {self._climate_zone}\n')
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return
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# if building has no thermal zones defined from geometry, one thermal zone per storey is assigned
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if len(building.internal_zones) == 1:
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if building.internal_zones[0].thermal_zones is None:
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self._create_storeys(building, archetype, self._divide_in_storeys)
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if self._divide_in_storeys:
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for internal_zone in building.internal_zones:
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for thermal_zone in internal_zone.thermal_zones:
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thermal_zone.total_floor_area = thermal_zone.footprint_area
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else:
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number_of_storeys = int(float(building.eave_height) / float(building.average_storey_height))
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thermal_zone = building.internal_zones[0].thermal_zones[0]
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thermal_zone.total_floor_area = thermal_zone.footprint_area * number_of_storeys
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else:
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for internal_zone in building.internal_zones:
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for thermal_zone in internal_zone.thermal_zones:
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thermal_zone.total_floor_area = thermal_zone.footprint_area
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for internal_zone in building.internal_zones:
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self._assign_values(internal_zone.thermal_zones, archetype)
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for thermal_zone in internal_zone.thermal_zones:
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self._calculate_view_factors(thermal_zone)
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@staticmethod
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def _search_archetype(function, year_of_construction, climate_zone):
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nrel_catalog = ConstructionCatalogFactory('nrel').catalog
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print(nrel_catalog.names)
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nrel_archetypes = nrel_catalog.entries('archetypes')
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for nrel_archetype in nrel_archetypes:
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print(nrel_archetype.name)
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for building_archetype in nrel_archetypes:
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construction_period_limits = building_archetype.construction_period.split(' - ')
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if construction_period_limits[1] == 'PRESENT':
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construction_period_limits[1] = 3000
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if int(construction_period_limits[0]) <= int(year_of_construction) < int(construction_period_limits[1]):
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if (str(function) == str(building_archetype.function)) and \
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(climate_zone == str(building_archetype.climate_zone)):
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return building_archetype
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return None
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@staticmethod
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def _search_construction_in_archetype(archetype, construction_type):
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construction_archetypes = archetype.constructions
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for construction_archetype in construction_archetypes:
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if str(construction_type) == str(construction_archetype.type):
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return construction_archetype
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return None
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def _assign_values(self, thermal_zones, archetype):
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for thermal_zone in thermal_zones:
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thermal_zone.additional_thermal_bridge_u_value = archetype.extra_loses_due_to_thermal_bridges
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thermal_zone.effective_thermal_capacity = archetype.thermal_capacity
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thermal_zone.indirectly_heated_area_ratio = archetype.indirect_heated_ratio
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thermal_zone.infiltration_rate_system_on = archetype.infiltration_rate_for_ventilation_system_on
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thermal_zone.infiltration_rate_system_off = archetype.infiltration_rate_for_ventilation_system_off
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for thermal_boundary in thermal_zone.thermal_boundaries:
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construction_archetype = self._search_construction_in_archetype(archetype, thermal_boundary.type)
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thermal_boundary.construction_name = construction_archetype.name
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try:
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thermal_boundary.window_ratio = construction_archetype.window_ratio
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except ValueError:
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# This is the normal operation way when the windows are defined in the geometry
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continue
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thermal_boundary.layers = []
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for layer_archetype in construction_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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archetype_material = layer_archetype.material
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material.name = layer_archetype.name
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material.no_mass = archetype_material.no_mass
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if archetype_material.no_mass:
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material.thermal_resistance = archetype_material.thermal_resistance
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else:
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material.density = archetype_material.density
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material.conductivity = archetype_material.conductivity
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material.specific_heat = archetype_material.specific_heat
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material.solar_absorptance = archetype_material.solar_absorptance
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material.thermal_absorptance = archetype_material.thermal_absorptance
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material.visible_absorptance = archetype_material.visible_absorptance
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layer.material = material
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thermal_boundary.layers.append(layer)
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# The agreement is that the layers are defined from outside to inside
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external_layer = construction_archetype.layers[0]
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thermal_boundary.outside_solar_absorptance = external_layer.material.solar_absorptance
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thermal_boundary.outside_thermal_absorptance = external_layer.material.thermal_absorptance
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thermal_boundary.outside_visible_absorptance = external_layer.material.visible_absorptance
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for thermal_opening in thermal_boundary.thermal_openings:
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if construction_archetype.window is not None:
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window_archetype = construction_archetype.window
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thermal_opening.construction_name = window_archetype.name
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thermal_opening.frame_ratio = window_archetype.frame_ratio
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thermal_opening.g_value = window_archetype.g_value
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thermal_opening.overall_u_value = window_archetype.overall_u_value
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