144 lines
8.4 KiB
Python
144 lines
8.4 KiB
Python
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"""
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Nrel-based interface, it reads format defined within the CERC team based on NREL structure
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and enriches the city with archetypes and materials
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2020 Project Author Pilar Monsalvete pilar_monsalvete@yahoo.es
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"""
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import xmltodict
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from factories.physics_feeders.data_classes.nrel_building_achetype import NrelBuildingArchetype
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from factories.physics_feeders.data_classes.nrel_thermal_boundary_archetype import NrelThermalBoundaryArchetype
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from factories.physics_feeders.data_classes.nrel_thermal_opening_archetype import NrelThermalOpeningArchetype
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from factories.physics_feeders.data_classes.nrel_layer_archetype import NrelLayerArchetype
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class NrelInterface:
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"""
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NrelInterface abstract class
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"""
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def __init__(self, base_path, constructions_file='us_constructions.xml',
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archetypes_file='us_archetypes.xml'):
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# load construction Library, CERC-NREL format
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path = str(base_path / constructions_file)
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with open(path) as xml:
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self._library = xmltodict.parse(xml.read(), force_list='layer')
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# load archetypes Library, CERC-NREL format
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path = str(base_path / archetypes_file)
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with open(path) as xml:
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self._archetypes = xmltodict.parse(xml.read(), force_list='layer')
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# todo: I don't need this here
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# it is assumed that all buildings have the same archetypes' keys
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keys = []
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archetype = self._archetypes['archetypes']['archetype'][0]
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for key, value in archetype.items():
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if key[0] == '@':
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keys.append(key)
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building_archetypes = []
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for archetype in self._archetypes['archetypes']['archetype']:
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archetype_keys = []
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for key, value in archetype.items():
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if key[0] == '@':
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archetype_keys.append([key, value])
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average_storey_height = archetype['average_storey_height']['#text']
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storeys_above_ground = archetype['number_of_storeys']['#text']
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effective_thermal_capacity = archetype['thermal_capacity']['#text']
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additional_thermal_bridge_u_value = archetype['extra_loses_due_to_thermal_bridges']['#text']
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indirectly_heated_area_ratio = archetype['indirect_heated_ratio']['#text']
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infiltration_rate_system_off = archetype['infiltration_rate_for_ventilation_system_off']['#text']
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infiltration_rate_system_on = archetype['infiltration_rate_for_ventilation_system_on']['#text']
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thermal_boundary_archetypes = []
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for construction in archetype['constructions']['construction']:
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construction_type = construction['@type']
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construction_id = construction['@id']
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c_lib = self._search_construction_type('construction', construction_id)
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construction_name = c_lib['@name']
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layers = []
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if 'layers' in c_lib:
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for current_layer in c_lib['layers']['layer']:
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material_lib = self._search_construction_type('material', current_layer['material'])
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name = material_lib['@name']
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solar_absorptance = material_lib['solar_absorptance']['#text']
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thermal_absorptance = material_lib['thermal_absorptance']['#text']
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visible_absorptance = material_lib['visible_absorptance']['#text']
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no_mass = 'no_mass' in material_lib
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if no_mass:
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thermal_resistance = material_lib['thermal_resistance']['#text']
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layer = NrelLayerArchetype(name, solar_absorptance, thermal_absorptance, visible_absorptance,
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no_mass=no_mass, thermal_resistance=thermal_resistance)
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else:
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thickness = current_layer['thickness']['#text']
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conductivity = material_lib['conductivity']['#text']
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specific_heat = material_lib['specific_heat']['#text']
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density = material_lib['density']['#text']
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layer = NrelLayerArchetype(name, solar_absorptance, thermal_absorptance, visible_absorptance,
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thickness = thickness, conductivity = conductivity,
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specific_heat = specific_heat, density = density)
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layers.append(layer)
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thermal_openings = []
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window_ratio = 0
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if 'window' in construction and construction['window'] is not None:
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window_ratio = construction['window_ratio']['#text']
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w_lib = self._search_construction_type('window', construction['window'])
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frame_ratio = w_lib['frame_ratio']['#text']
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if 'conductivity' in w_lib:
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conductivity = w_lib['conductivity']['#text']
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thickness = w_lib['thickness']['#text']
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g_value = w_lib['solar_transmittance_at_normal_incidence']['#text']
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back_side_solar_transmittance_at_normal_incidence = \
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w_lib['back_side_solar_transmittance_at_normal_incidence']['#text']
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front_side_solar_transmittance_at_normal_incidence = \
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w_lib['front_side_solar_transmittance_at_normal_incidence']['#text']
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opening = NrelThermalOpeningArchetype(conductivity=conductivity, frame_ratio=frame_ratio, g_value=g_value,
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thickness=thickness,
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back_side_solar_transmittance_at_normal_incidence=
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back_side_solar_transmittance_at_normal_incidence,
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front_side_solar_transmittance_at_normal_incidence=
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front_side_solar_transmittance_at_normal_incidence)
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else:
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overall_u_value = w_lib['overall_u_value']['#text']
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g_value = w_lib['g_value']
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opening = NrelThermalOpeningArchetype(frame_ratio=frame_ratio, g_value=g_value,
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overall_u_value=overall_u_value)
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thermal_openings.append(opening)
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if 'outside_thermal_absorptance' in c_lib:
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outside_solar_absorptance = c_lib['outside_solar_absorptance']['#text']
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outside_thermal_absorptance = c_lib['outside_thermal_absorptance']['#text']
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outside_visible_absorptance = c_lib['outside_visible_absorptance']['#text']
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thermal_boundary_archetype = NrelThermalBoundaryArchetype(construction_type, window_ratio, construction_name,
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layers, thermal_openings, outside_solar_absorptance,
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outside_thermal_absorptance,
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outside_visible_absorptance)
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else:
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if 'overall_u_value' in c_lib:
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overall_u_value = c_lib['overall_u_value']['#text']
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outside_solar_absorptance = c_lib['outside_solar_absorptance']['#text']
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thermal_boundary_archetype = NrelThermalBoundaryArchetype(construction_type, window_ratio,
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construction_name, layers, thermal_openings,
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outside_solar_absorptance=
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outside_solar_absorptance,
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overall_u_value=overall_u_value)
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else:
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thermal_boundary_archetype = NrelThermalBoundaryArchetype(construction_type, window_ratio,
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construction_name, layers, thermal_openings)
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thermal_boundary_archetypes.append(thermal_boundary_archetype)
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building_archetype = NrelBuildingArchetype(archetype_keys, average_storey_height, storeys_above_ground,
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effective_thermal_capacity, additional_thermal_bridge_u_value,
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indirectly_heated_area_ratio, infiltration_rate_system_off,
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infiltration_rate_system_on, thermal_boundary_archetypes)
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building_archetypes.append(building_archetype)
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print(building_archetypes[0].archetype_keys)
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def _search_construction_type(self, construction_type, construction_id):
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for c_lib in self._library['library'][construction_type + 's'][construction_type]:
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if construction_id == c_lib['@id']:
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return c_lib
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raise Exception('Archetype definition contains elements that does not exist in the library')
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