Changes in idf.
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@ -11,7 +11,6 @@ from pathlib import Path
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from geomeppy import IDF
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import hub.helpers.constants as cte
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from hub.city_model_structure.attributes.schedule import Schedule
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from hub.city_model_structure.building_demand.thermal_zone import ThermalZone
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class Idf:
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@ -21,7 +20,6 @@ class Idf:
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_BUILDING = 'BUILDING'
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_ZONE = 'ZONE'
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_LIGHTS = 'LIGHTS'
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_APPLIANCES = 'OTHEREQUIPMENT'
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_PEOPLE = 'PEOPLE'
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_THERMOSTAT = 'HVACTEMPLATE:THERMOSTAT'
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_IDEAL_LOAD_AIR_SYSTEM = 'HVACTEMPLATE:ZONE:IDEALLOADSAIRSYSTEM'
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@ -276,7 +274,7 @@ class Idf:
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def _add_window_construction_and_material(self, thermal_opening):
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for window_material in self._idf.idfobjects[self._WINDOW_MATERIAL_SIMPLE]:
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if window_material['UFactor'] == thermal_opening.overall_u_value and \
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window_material['Solar_Heat_Gain_Coefficient'] == thermal_opening.g_value:
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window_material['Solar_Heat_Gain_Coefficient'] == thermal_opening.g_value:
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return
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order = str(len(self._idf.idfobjects[self._WINDOW_MATERIAL_SIMPLE]) + 1)
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@ -322,7 +320,6 @@ class Idf:
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def _add_occupancy(self, thermal_zone, zone_name):
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number_of_people = thermal_zone.occupancy.occupancy_density * thermal_zone.total_floor_area
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print(thermal_zone.occupancy.occupancy_density)
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fraction_radiant = 0
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total_sensible = thermal_zone.occupancy.sensible_radiative_internal_gain + \
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thermal_zone.occupancy.sensible_convective_internal_gain
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@ -339,54 +336,6 @@ class Idf:
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Activity_Level_Schedule_Name=f'Activity Level schedules {thermal_zone.usage_name}'
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)
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def _add_lighting(self, thermal_zone: ThermalZone, zone_name: str):
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fraction_radiant = thermal_zone.lighting.radiative_fraction
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# todo: fraction visible should come from catalog
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fraction_visible = 0.3
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method = 'Watts/Area'
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factor_size = thermal_zone.total_floor_area / thermal_zone.footprint_area
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watts_per_zone_floor_area = thermal_zone.lighting.density*factor_size
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# todo: fraction replaceable should come from catalog
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fraction_replaceable = 1
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subcategory = f'ELECTRIC EQUIPMENT#{zone_name}#GeneralLights'
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self._idf.newidfobject(self._LIGHTS,
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Name=f'{zone_name}_lights',
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Zone_or_ZoneList_Name=zone_name,
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Schedule_Name=f'Lighting schedules {thermal_zone.usage_name}',
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Design_Level_Calculation_Method=method,
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Watts_per_Zone_Floor_Area=watts_per_zone_floor_area,
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Fraction_Radiant=fraction_radiant,
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Fraction_Visible=fraction_visible,
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Fraction_Replaceable=fraction_replaceable,
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EndUse_Subcategory=subcategory
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)
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def _add_appliances(self, thermal_zone, zone_name):
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fuel_type = 'Electricity'
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fraction_radiant = thermal_zone.appliances.radiative_fraction
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fraction_convective = thermal_zone.appliances.convective_fraction
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fraction_latent = 0
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method = 'Watts/Area'
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factor_size = thermal_zone.total_floor_area / thermal_zone.footprint_area
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watts_per_zone_floor_area = thermal_zone.appliances.density*factor_size
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print(thermal_zone.appliances.density)
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print(watts_per_zone_floor_area)
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subcategory = f'ELECTRIC EQUIPMENT#{zone_name}#InteriorEquipment'
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# _object = self._idf.newidfobject(self._APPLIANCES)
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# print(vars(_object))
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self._idf.newidfobject(self._APPLIANCES,
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Fuel_Type=fuel_type,
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Name=f'{zone_name}_appliances',
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Zone_or_ZoneList_Name=zone_name,
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Schedule_Name=f'Appliance schedules {thermal_zone.usage_name}',
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Design_Level_Calculation_Method=method,
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Power_per_Zone_Floor_Area=watts_per_zone_floor_area,
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Fraction_Latent=fraction_latent,
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Fraction_Radiant=fraction_radiant,
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EndUse_Subcategory=subcategory
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)
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def _add_infiltration(self, thermal_zone, zone_name):
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for zone in self._idf.idfobjects["ZONE"]:
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if zone.Name == f'{zone_name}_infiltration':
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@ -439,23 +388,16 @@ class Idf:
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usage = thermal_zone.usage_name
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if building.name in self._target_buildings or building.name in self._adjacent_buildings:
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self._add_infiltration_schedules(thermal_zone)
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self._add_schedules(usage, 'Occupancy', thermal_zone.occupancy.occupancy_schedules)
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self._add_schedules(usage, 'HVAC AVAIL', thermal_zone.thermal_control.hvac_availability_schedules)
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self._add_schedules(usage, 'Heating thermostat', thermal_zone.thermal_control.heating_set_point_schedules)
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self._add_schedules(usage, 'Cooling thermostat', thermal_zone.thermal_control.cooling_set_point_schedules)
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self._add_schedules(usage, 'Lighting', thermal_zone.lighting.schedules)
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self._add_schedules(usage, 'Appliances', thermal_zone.appliances.schedules)
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self._add_people_activity_level_schedules(thermal_zone)
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self._add_zone(thermal_zone, building.name)
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self._add_heating_system(thermal_zone, building.name)
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self._add_infiltration(thermal_zone, building.name)
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self._add_occupancy(thermal_zone, building.name)
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self._add_lighting(thermal_zone, building.name)
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self._add_appliances(thermal_zone, building.name)
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if self._export_type == "Surfaces":
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if building.name in self._target_buildings or building.name in self._adjacent_buildings:
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self._add_surfaces(building, building.name)
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@ -464,19 +406,24 @@ class Idf:
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else:
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self._add_block(building)
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# todo: this should change to specific variables per zone to process only the ones in the buildings_to_calculate
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for _ in self._target_buildings:
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for building in self._target_buildings:
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continue
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self._idf.newidfobject(
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"OUTPUT:VARIABLE",
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Variable_Name="Zone Ideal Loads Supply Air Total Heating Energy",
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Reporting_Frequency="Hourly",
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)
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"OUTPUT:VARIABLE",
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Variable_Name="Zone Ideal Loads Supply Air Total Heating Energy",
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Reporting_Frequency="Hourly",
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)
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self._idf.newidfobject(
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"OUTPUT:VARIABLE",
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Variable_Name="Zone Ideal Loads Supply Air Total Cooling Energy",
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Reporting_Frequency="Hourly",
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"OUTPUT:VARIABLE",
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Variable_Name="Zone Ideal Loads Supply Air Total Cooling Energy",
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Reporting_Frequency="Hourly",
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)
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self._idf.newidfobject(
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"OUTPUTCONTROL:TABLE:STYLE",
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Variable_Name="CommaAndHTML, JtoKWH",
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)
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self._idf.match()
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@ -588,7 +535,7 @@ class Idf:
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for material in self._idf.idfobjects[self._WINDOW_MATERIAL_SIMPLE]:
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if material['Name'] == glazing:
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if material['UFactor'] == opening.overall_u_value and \
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material['Solar_Heat_Gain_Coefficient'] == opening.g_value:
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material['Solar_Heat_Gain_Coefficient'] == opening.g_value:
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return True
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return False
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@ -33,6 +33,7 @@ class InselMonthlyEnergyBalance(Insel):
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self._weather_format = weather_format
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self._contents = []
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self._insel_files_paths = []
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self._sanity_check()
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for building in city.buildings:
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self._insel_files_paths.append(building.name + '.insel')
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file_name_out = building.name + '.out'
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@ -46,7 +47,7 @@ class InselMonthlyEnergyBalance(Insel):
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f'Monthly Energy Balance cannot be processed\n')
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break
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self._contents.append(
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self.generate_meb_template(building, output_path, self._radiation_calculation_method,self._weather_format)
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self._generate_meb_template(building, output_path, self._radiation_calculation_method,self._weather_format)
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)
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self._export()
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@ -57,8 +58,30 @@ class InselMonthlyEnergyBalance(Insel):
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insel_file.write(content)
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return
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def _sanity_check(self):
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levels_of_detail = self._city.level_of_detail
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if levels_of_detail.geometry is None:
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raise Exception(f'Level of detail of geometry not assigned')
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if levels_of_detail.geometry < 1:
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raise Exception(f'Level of detail of geometry = {levels_of_detail.geometry}. Required minimum level 1')
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if levels_of_detail.construction is None:
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raise Exception(f'Level of detail of construction not assigned')
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if levels_of_detail.construction < 1:
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raise Exception(f'Level of detail of construction = {levels_of_detail.construction}. Required minimum level 1')
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if levels_of_detail.usage is None:
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raise Exception(f'Level of detail of usage not assigned')
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if levels_of_detail.usage < 1:
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raise Exception(f'Level of detail of usage = {levels_of_detail.usage}. Required minimum level 1')
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for building in self._city.buildings:
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if cte.MONTH not in building.external_temperature:
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raise Exception(f'Building {building.name} does not have external temperature assigned')
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for surface in building.surfaces:
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if surface.type != cte.GROUND:
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if cte.MONTH not in surface.global_irradiance:
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raise Exception(f'Building {building.name} does not have global irradiance on surfaces assigned')
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@staticmethod
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def generate_meb_template(building, insel_outputs_path, radiation_calculation_method, weather_format):
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def _generate_meb_template(building, insel_outputs_path, radiation_calculation_method, weather_format):
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file = ""
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i_block = 1
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parameters = ["1", "12", "1"]
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@ -100,16 +123,38 @@ class InselMonthlyEnergyBalance(Insel):
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for ig in usage.internal_gains:
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total_internal_gain += ig.average_internal_gain * (ig.convective_fraction + ig.radiative_fraction)
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parameters.append(f'{total_internal_gain} % BP(12) #2 Internal gains of zone {i + 1}')
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parameters.append(f'{usage.thermal_control.mean_heating_set_point} % BP(13) #3 Heating setpoint temperature '
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parameters.append(f'{usage.thermal_control.mean_heating_set_point+1} % BP(13) #3 Heating setpoint temperature '
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f'zone {i + 1} (degree Celsius)')
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parameters.append(f'{usage.thermal_control.heating_set_back} % BP(14) #4 Heating setback temperature '
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parameters.append(f'{usage.thermal_control.heating_set_back+1} % BP(14) #4 Heating setback temperature '
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f'zone {i + 1} (degree Celsius)')
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parameters.append(f'{usage.thermal_control.mean_cooling_set_point + 3} % BP(15) #5 Cooling setpoint temperature '
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parameters.append(f'{usage.thermal_control.mean_cooling_set_point+4} % BP(15) #5 Cooling setpoint temperature '
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f'zone {i + 1} (degree Celsius)')
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parameters.append(f'{usage.hours_day} % BP(16) #6 Usage hours per day zone {i + 1}')
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parameters.append(f'{usage.days_year} % BP(17) #7 Usage days per year zone {i + 1}')
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ventilation_infiltration = usage.mechanical_air_change + internal_zone.thermal_zones[0].infiltration_rate_system_off
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ventilation = 0
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infiltration = 0
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for schedule in usage.thermal_control.hvac_availability_schedules:
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ventilation_day = 0
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infiltration_day = 0
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for value in schedule.values:
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if value == 0:
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infiltration_day += internal_zone.thermal_zones[0].infiltration_rate_system_off / 24
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ventilation_day += 0
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else:
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ventilation_value = usage.mechanical_air_change * value
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infiltration_value = internal_zone.thermal_zones[0].infiltration_rate_system_off * value
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if ventilation_value >= infiltration_value:
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ventilation_day += ventilation_value / 24
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infiltration_day += 0
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else:
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ventilation_day += 0
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infiltration_day += infiltration_value / 24
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for day_type in schedule.day_types:
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infiltration += infiltration_day * cte.DAYS_A_YEAR[day_type] / 365
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ventilation += ventilation_day * cte.DAYS_A_YEAR[day_type] / 365
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ventilation_infiltration = ventilation + infiltration
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parameters.append(f'{ventilation_infiltration} % BP(18) #8 Minimum air change rate zone {i + 1} (ACH)')
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parameters.append(f'{len(thermal_zone.thermal_boundaries)} % Number of surfaces = BP(11+8z) \n'
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@ -127,7 +172,7 @@ class InselMonthlyEnergyBalance(Insel):
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for thermal_boundary in thermal_zone.thermal_boundaries:
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type_code = _CONSTRUCTION_CODE[thermal_boundary.type]
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wall_area = thermal_boundary.opaque_area * (1 + thermal_boundary.window_ratio)
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if thermal_boundary.type == cte.WALL and thermal_boundary.parent_surface.percentage_shared is not None:
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if thermal_boundary.type == cte.WALL:
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wall_area = wall_area * (1 - thermal_boundary.parent_surface.percentage_shared)
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window_area = wall_area * thermal_boundary.window_ratio
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