83 lines
4.3 KiB
Python
83 lines
4.3 KiB
Python
"""
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CaPhysicsParameters import the construction and material information for Canada
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2020 Project Author 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.helpers.construction_helper import ConstructionHelper
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from imports.construction.nrel_physics_interface import NrelPhysicsInterface
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class CaPhysicsParameters(NrelPhysicsInterface):
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"""
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CaPhysicsParameters class
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"""
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def __init__(self, city, base_path):
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super().__init__(base_path, 'ca_constructions_reduced.xml', 'ca_archetypes_reduced.xml')
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self._city = city
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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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try:
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archetype = self._search_archetype(ConstructionHelper.nrcan_from_libs_function(building.function),
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building.year_of_construction)
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except KeyError:
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sys.stderr.write(f'Building {building.name} has unknown archetype for building function: '
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f'{ConstructionHelper.nrcan_from_libs_function(building.function)} '
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f'and building year of construction: {building.year_of_construction}\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)
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self._assign_values(building.internal_zones, archetype)
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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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self._calculate_view_factors(thermal_zone)
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def _search_archetype(self, function, year_of_construction):
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for building_archetype in self._building_archetypes:
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a_ft = str(building_archetype.archetype_keys['@function'])
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a_pc = str(building_archetype.archetype_keys['@periodOfConstruction'])
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a_yc1 = int(a_pc.split(sep='-')[0])
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a_yc2 = int(a_pc.split(sep='-')[1])
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if a_ft == str(function):
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if a_yc1 <= int(year_of_construction) <= a_yc2:
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return building_archetype
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return None
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def _assign_values(self, internal_zones, archetype):
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for internal_zone in internal_zones:
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for thermal_zone in internal_zone.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.nrcan_construction_types[thermal_boundary.type]
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thermal_boundary_archetype = self._search_construction_in_archetype(archetype, construction_type)
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thermal_boundary.u_value = thermal_boundary_archetype.overall_u_value
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thermal_boundary.outside_solar_absorptance = thermal_boundary_archetype.outside_solar_absorptance
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thermal_boundary.construction_name = thermal_boundary_archetype.construction_name
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try:
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thermal_boundary.window_ratio = thermal_boundary_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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if thermal_boundary.thermal_openings is not None:
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for thermal_opening in thermal_boundary.thermal_openings:
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if thermal_boundary_archetype.thermal_opening_archetype is not None:
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thermal_opening_archetype = thermal_boundary_archetype.thermal_opening_archetype
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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.overall_u_value = thermal_opening_archetype.overall_u_value
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