hub/physics/physics_feeders/us_base_physics_parameters.py

"""
UsBasePhysicParameters, model the us archetypes and material, used by UsNewYorkCityPhysicsParameters and
UsPhysicsParameters as base class
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
"""
from pathlib import Path

import xmltodict

from city_model_structure.layer import Layer
from city_model_structure.material import Material
from physics.physics_feeders.helpers.us_to_library_types import UsToLibraryTypes


class UsBasePhysicsParameters:
  """
  UsBasePhysicsParameters class
  """
  def __init__(self, climate_zone, buildings, function_to_type, base_path):
    self._climate_zone = climate_zone
    self._buildings = buildings
    # load US Library
    path = str(Path.cwd() / base_path / 'us_constructions.xml')
    with open(path) as xml:
      self._library = xmltodict.parse(xml.read(), force_list='layer')

    # load US Archetypes
    path = str(Path.cwd() / base_path / 'us_archetypes.xml')
    with open(path) as xml:
      self._archetypes = xmltodict.parse(xml.read(), force_list='layer')
    for building in self._buildings:

      building_type = function_to_type(building.function)
      if building_type is None:
        return
      archetype = self._search_archetype(building_type,
                                         UsToLibraryTypes.yoc_to_standard(building.year_of_construction),
                                         self._climate_zone)
      # ToDo: remove this in the future
      # ToDo: Raise WrongArchetype if not all the surface types are defined for the given city_object
      if archetype is None:
        print('Building ', city_object.name, 'has unknown archetype')
        print('type: ', building_type, UsToLibraryTypes.yoc_to_standard(city_object.year_of_construction),
              self._climate_zone)
        continue

      building.average_storey_height = archetype['average_storey_height']['#text']
      building.storeys_above_ground = archetype['number_of_storeys']['#text']

      for thermal_zone in building.thermal_zones:
        thermal_zone.effective_thermal_capacity = archetype['thermal_capacity']['#text']
        thermal_zone.additional_thermal_bridge_u_value = archetype['extra_loses_due_to_thermal_bridges']['#text']
        thermal_zone.indirectly_heated_area_ratio = archetype['indirect_heated_ratio']['#text']
        thermal_zone.infiltration_rate_system_off = archetype['infiltration_rate_for_ventilation_system_off']['#text']
        thermal_zone.infiltration_rate_system_on = archetype['infiltration_rate_for_ventilation_system_on']['#text']
        for thermal_boundary in thermal_zone.bounded:
          construction_type = UsToLibraryTypes.construction_types[thermal_boundary.type]
          construction = UsBasePhysicsParameters._search_construction_in_archetype(archetype, construction_type)
          construction_id = construction['@id']
          c_lib = self._search_construction_type('construction', construction_id)
          if 'outside_solar_absorptance' in c_lib:
            thermal_boundary.outside_solar_absorptance = c_lib['outside_solar_absorptance']['#text']
            thermal_boundary.outside_thermal_absorptance = c_lib['outside_thermal_absorptance']['#text']
            thermal_boundary.outside_visible_absorptance = c_lib['outside_visible_absorptance']['#text']
          thermal_boundary.window_ratio = construction['window_ratio']['#text']
          thermal_boundary.layers = []
          for current_layer in c_lib['layers']['layer']:
            layer = Layer()
            if 'thickness' in current_layer:
              layer.thickness = current_layer['thickness']['#text']
            material_lib = self._search_construction_type('material', current_layer['material'])
            material = Material()
            if 'conductivity' in material_lib:
              material.conductivity = material_lib['conductivity']['#text']
              material.specific_heat = material_lib['specific_heat']['#text']
              material.density = material_lib['density']['#text']
            material.solar_absorptance = material_lib['solar_absorptance']['#text']
            material.thermal_absorptance = material_lib['thermal_absorptance']['#text']
            material.visible_absorptance = material_lib['visible_absorptance']['#text']
            material.no_mass = 'no_mass' in material_lib
            if 'thermal_resistance' in material_lib:
              material.thermal_resistance = material_lib['thermal_resistance']['#text']
            layer.material = material
            thermal_boundary.layers.append(layer)
          for opening in thermal_boundary.thermal_openings:
            if construction['window'] is None:
              continue
            w_lib = self._search_construction_type('window', construction['window'])
            opening.conductivity = w_lib['conductivity']['#text']
            opening.frame_ratio = w_lib['frame_ratio']['#text']
            opening.g_value = w_lib['solar_transmittance_at_normal_incidence']['#text']
            opening.thickness = w_lib['thickness']['#text']
            opening.back_side_solar_transmittance_at_normal_incidence = \
              w_lib['back_side_solar_transmittance_at_normal_incidence']['#text']
            opening.front_side_solar_transmittance_at_normal_incidence = \
              w_lib['front_side_solar_transmittance_at_normal_incidence']['#text']

  def _search_archetype(self, building_type, standard, climate_zone):
    for archetype in self._archetypes['archetypes']['archetype']:
      a_yc = str(archetype['@reference_standard'])
      a_bt = str(archetype['@building_type'])
      a_cz = str(archetype['@climate_zone'])
      if (a_yc == str(standard)) and (a_bt == str(building_type)) and (a_cz == str(climate_zone)):
        return archetype
    return None

  def _search_construction_type(self, construction_type, construction_id):
    for c_lib in self._library['library'][construction_type + 's'][construction_type]:
      if construction_id == c_lib['@id']:
        return c_lib
    raise Exception('Archetype definition contains elements that does not exist in the library')

  @staticmethod
  def _search_construction_in_archetype(archetype, construction_type):
    for construction in archetype['constructions']['construction']:
      if construction['@type'] == construction_type:
        return construction
    raise Exception('Construction type not found')