Changes in idf.

This commit is contained in:
Oriol Gavalda 2023-03-27 11:25:43 -04:00
parent f48d5214f4
commit 9ed8fc61e2
2 changed files with 67 additions and 75 deletions

View File

@ -11,7 +11,6 @@ from pathlib import Path
from geomeppy import IDF from geomeppy import IDF
import hub.helpers.constants as cte import hub.helpers.constants as cte
from hub.city_model_structure.attributes.schedule import Schedule from hub.city_model_structure.attributes.schedule import Schedule
from hub.city_model_structure.building_demand.thermal_zone import ThermalZone
class Idf: class Idf:
@ -21,7 +20,6 @@ class Idf:
_BUILDING = 'BUILDING' _BUILDING = 'BUILDING'
_ZONE = 'ZONE' _ZONE = 'ZONE'
_LIGHTS = 'LIGHTS' _LIGHTS = 'LIGHTS'
_APPLIANCES = 'OTHEREQUIPMENT'
_PEOPLE = 'PEOPLE' _PEOPLE = 'PEOPLE'
_THERMOSTAT = 'HVACTEMPLATE:THERMOSTAT' _THERMOSTAT = 'HVACTEMPLATE:THERMOSTAT'
_IDEAL_LOAD_AIR_SYSTEM = 'HVACTEMPLATE:ZONE:IDEALLOADSAIRSYSTEM' _IDEAL_LOAD_AIR_SYSTEM = 'HVACTEMPLATE:ZONE:IDEALLOADSAIRSYSTEM'
@ -322,7 +320,6 @@ class Idf:
def _add_occupancy(self, thermal_zone, zone_name): def _add_occupancy(self, thermal_zone, zone_name):
number_of_people = thermal_zone.occupancy.occupancy_density * thermal_zone.total_floor_area number_of_people = thermal_zone.occupancy.occupancy_density * thermal_zone.total_floor_area
print(thermal_zone.occupancy.occupancy_density)
fraction_radiant = 0 fraction_radiant = 0
total_sensible = thermal_zone.occupancy.sensible_radiative_internal_gain + \ total_sensible = thermal_zone.occupancy.sensible_radiative_internal_gain + \
thermal_zone.occupancy.sensible_convective_internal_gain thermal_zone.occupancy.sensible_convective_internal_gain
@ -339,54 +336,6 @@ class Idf:
Activity_Level_Schedule_Name=f'Activity Level schedules {thermal_zone.usage_name}' Activity_Level_Schedule_Name=f'Activity Level schedules {thermal_zone.usage_name}'
) )
def _add_lighting(self, thermal_zone: ThermalZone, zone_name: str):
fraction_radiant = thermal_zone.lighting.radiative_fraction
# todo: fraction visible should come from catalog
fraction_visible = 0.3
method = 'Watts/Area'
factor_size = thermal_zone.total_floor_area / thermal_zone.footprint_area
watts_per_zone_floor_area = thermal_zone.lighting.density*factor_size
# todo: fraction replaceable should come from catalog
fraction_replaceable = 1
subcategory = f'ELECTRIC EQUIPMENT#{zone_name}#GeneralLights'
self._idf.newidfobject(self._LIGHTS,
Name=f'{zone_name}_lights',
Zone_or_ZoneList_Name=zone_name,
Schedule_Name=f'Lighting schedules {thermal_zone.usage_name}',
Design_Level_Calculation_Method=method,
Watts_per_Zone_Floor_Area=watts_per_zone_floor_area,
Fraction_Radiant=fraction_radiant,
Fraction_Visible=fraction_visible,
Fraction_Replaceable=fraction_replaceable,
EndUse_Subcategory=subcategory
)
def _add_appliances(self, thermal_zone, zone_name):
fuel_type = 'Electricity'
fraction_radiant = thermal_zone.appliances.radiative_fraction
fraction_convective = thermal_zone.appliances.convective_fraction
fraction_latent = 0
method = 'Watts/Area'
factor_size = thermal_zone.total_floor_area / thermal_zone.footprint_area
watts_per_zone_floor_area = thermal_zone.appliances.density*factor_size
print(thermal_zone.appliances.density)
print(watts_per_zone_floor_area)
subcategory = f'ELECTRIC EQUIPMENT#{zone_name}#InteriorEquipment'
# _object = self._idf.newidfobject(self._APPLIANCES)
# print(vars(_object))
self._idf.newidfobject(self._APPLIANCES,
Fuel_Type=fuel_type,
Name=f'{zone_name}_appliances',
Zone_or_ZoneList_Name=zone_name,
Schedule_Name=f'Appliance schedules {thermal_zone.usage_name}',
Design_Level_Calculation_Method=method,
Power_per_Zone_Floor_Area=watts_per_zone_floor_area,
Fraction_Latent=fraction_latent,
Fraction_Radiant=fraction_radiant,
EndUse_Subcategory=subcategory
)
def _add_infiltration(self, thermal_zone, zone_name): def _add_infiltration(self, thermal_zone, zone_name):
for zone in self._idf.idfobjects["ZONE"]: for zone in self._idf.idfobjects["ZONE"]:
if zone.Name == f'{zone_name}_infiltration': if zone.Name == f'{zone_name}_infiltration':
@ -439,23 +388,16 @@ class Idf:
usage = thermal_zone.usage_name usage = thermal_zone.usage_name
if building.name in self._target_buildings or building.name in self._adjacent_buildings: if building.name in self._target_buildings or building.name in self._adjacent_buildings:
self._add_infiltration_schedules(thermal_zone) self._add_infiltration_schedules(thermal_zone)
self._add_schedules(usage, 'Occupancy', thermal_zone.occupancy.occupancy_schedules) self._add_schedules(usage, 'Occupancy', thermal_zone.occupancy.occupancy_schedules)
self._add_schedules(usage, 'HVAC AVAIL', thermal_zone.thermal_control.hvac_availability_schedules) self._add_schedules(usage, 'HVAC AVAIL', thermal_zone.thermal_control.hvac_availability_schedules)
self._add_schedules(usage, 'Heating thermostat', thermal_zone.thermal_control.heating_set_point_schedules) self._add_schedules(usage, 'Heating thermostat', thermal_zone.thermal_control.heating_set_point_schedules)
self._add_schedules(usage, 'Cooling thermostat', thermal_zone.thermal_control.cooling_set_point_schedules) self._add_schedules(usage, 'Cooling thermostat', thermal_zone.thermal_control.cooling_set_point_schedules)
self._add_schedules(usage, 'Lighting', thermal_zone.lighting.schedules)
self._add_schedules(usage, 'Appliances', thermal_zone.appliances.schedules)
self._add_people_activity_level_schedules(thermal_zone) self._add_people_activity_level_schedules(thermal_zone)
self._add_zone(thermal_zone, building.name) self._add_zone(thermal_zone, building.name)
self._add_heating_system(thermal_zone, building.name) self._add_heating_system(thermal_zone, building.name)
self._add_infiltration(thermal_zone, building.name) self._add_infiltration(thermal_zone, building.name)
self._add_occupancy(thermal_zone, building.name) self._add_occupancy(thermal_zone, building.name)
self._add_lighting(thermal_zone, building.name)
self._add_appliances(thermal_zone, building.name)
if self._export_type == "Surfaces": if self._export_type == "Surfaces":
if building.name in self._target_buildings or building.name in self._adjacent_buildings: if building.name in self._target_buildings or building.name in self._adjacent_buildings:
self._add_surfaces(building, building.name) self._add_surfaces(building, building.name)
@ -464,7 +406,7 @@ class Idf:
else: else:
self._add_block(building) self._add_block(building)
# todo: this should change to specific variables per zone to process only the ones in the buildings_to_calculate # todo: this should change to specific variables per zone to process only the ones in the buildings_to_calculate
for _ in self._target_buildings: for building in self._target_buildings:
continue continue
self._idf.newidfobject( self._idf.newidfobject(
@ -479,6 +421,11 @@ class Idf:
Reporting_Frequency="Hourly", Reporting_Frequency="Hourly",
) )
self._idf.newidfobject(
"OUTPUTCONTROL:TABLE:STYLE",
Variable_Name="CommaAndHTML, JtoKWH",
)
self._idf.match() self._idf.match()
try: try:
self._idf.intersect_match() self._idf.intersect_match()

View File

@ -33,6 +33,7 @@ class InselMonthlyEnergyBalance(Insel):
self._weather_format = weather_format self._weather_format = weather_format
self._contents = [] self._contents = []
self._insel_files_paths = [] self._insel_files_paths = []
self._sanity_check()
for building in city.buildings: for building in city.buildings:
self._insel_files_paths.append(building.name + '.insel') self._insel_files_paths.append(building.name + '.insel')
file_name_out = building.name + '.out' file_name_out = building.name + '.out'
@ -46,7 +47,7 @@ class InselMonthlyEnergyBalance(Insel):
f'Monthly Energy Balance cannot be processed\n') f'Monthly Energy Balance cannot be processed\n')
break break
self._contents.append( self._contents.append(
self.generate_meb_template(building, output_path, self._radiation_calculation_method,self._weather_format) self._generate_meb_template(building, output_path, self._radiation_calculation_method,self._weather_format)
) )
self._export() self._export()
@ -57,8 +58,30 @@ class InselMonthlyEnergyBalance(Insel):
insel_file.write(content) insel_file.write(content)
return return
def _sanity_check(self):
levels_of_detail = self._city.level_of_detail
if levels_of_detail.geometry is None:
raise Exception(f'Level of detail of geometry not assigned')
if levels_of_detail.geometry < 1:
raise Exception(f'Level of detail of geometry = {levels_of_detail.geometry}. Required minimum level 1')
if levels_of_detail.construction is None:
raise Exception(f'Level of detail of construction not assigned')
if levels_of_detail.construction < 1:
raise Exception(f'Level of detail of construction = {levels_of_detail.construction}. Required minimum level 1')
if levels_of_detail.usage is None:
raise Exception(f'Level of detail of usage not assigned')
if levels_of_detail.usage < 1:
raise Exception(f'Level of detail of usage = {levels_of_detail.usage}. Required minimum level 1')
for building in self._city.buildings:
if cte.MONTH not in building.external_temperature:
raise Exception(f'Building {building.name} does not have external temperature assigned')
for surface in building.surfaces:
if surface.type != cte.GROUND:
if cte.MONTH not in surface.global_irradiance:
raise Exception(f'Building {building.name} does not have global irradiance on surfaces assigned')
@staticmethod @staticmethod
def generate_meb_template(building, insel_outputs_path, radiation_calculation_method, weather_format): def _generate_meb_template(building, insel_outputs_path, radiation_calculation_method, weather_format):
file = "" file = ""
i_block = 1 i_block = 1
parameters = ["1", "12", "1"] parameters = ["1", "12", "1"]
@ -100,16 +123,38 @@ class InselMonthlyEnergyBalance(Insel):
for ig in usage.internal_gains: for ig in usage.internal_gains:
total_internal_gain += ig.average_internal_gain * (ig.convective_fraction + ig.radiative_fraction) total_internal_gain += ig.average_internal_gain * (ig.convective_fraction + ig.radiative_fraction)
parameters.append(f'{total_internal_gain} % BP(12) #2 Internal gains of zone {i + 1}') parameters.append(f'{total_internal_gain} % BP(12) #2 Internal gains of zone {i + 1}')
parameters.append(f'{usage.thermal_control.mean_heating_set_point} % BP(13) #3 Heating setpoint temperature ' parameters.append(f'{usage.thermal_control.mean_heating_set_point+1} % BP(13) #3 Heating setpoint temperature '
f'zone {i + 1} (degree Celsius)') f'zone {i + 1} (degree Celsius)')
parameters.append(f'{usage.thermal_control.heating_set_back} % BP(14) #4 Heating setback temperature ' parameters.append(f'{usage.thermal_control.heating_set_back+1} % BP(14) #4 Heating setback temperature '
f'zone {i + 1} (degree Celsius)') f'zone {i + 1} (degree Celsius)')
parameters.append(f'{usage.thermal_control.mean_cooling_set_point + 3} % BP(15) #5 Cooling setpoint temperature ' parameters.append(f'{usage.thermal_control.mean_cooling_set_point+4} % BP(15) #5 Cooling setpoint temperature '
f'zone {i + 1} (degree Celsius)') f'zone {i + 1} (degree Celsius)')
parameters.append(f'{usage.hours_day} % BP(16) #6 Usage hours per day zone {i + 1}') parameters.append(f'{usage.hours_day} % BP(16) #6 Usage hours per day zone {i + 1}')
parameters.append(f'{usage.days_year} % BP(17) #7 Usage days per year zone {i + 1}') parameters.append(f'{usage.days_year} % BP(17) #7 Usage days per year zone {i + 1}')
ventilation_infiltration = usage.mechanical_air_change + internal_zone.thermal_zones[0].infiltration_rate_system_off ventilation = 0
infiltration = 0
for schedule in usage.thermal_control.hvac_availability_schedules:
ventilation_day = 0
infiltration_day = 0
for value in schedule.values:
if value == 0:
infiltration_day += internal_zone.thermal_zones[0].infiltration_rate_system_off / 24
ventilation_day += 0
else:
ventilation_value = usage.mechanical_air_change * value
infiltration_value = internal_zone.thermal_zones[0].infiltration_rate_system_off * value
if ventilation_value >= infiltration_value:
ventilation_day += ventilation_value / 24
infiltration_day += 0
else:
ventilation_day += 0
infiltration_day += infiltration_value / 24
for day_type in schedule.day_types:
infiltration += infiltration_day * cte.DAYS_A_YEAR[day_type] / 365
ventilation += ventilation_day * cte.DAYS_A_YEAR[day_type] / 365
ventilation_infiltration = ventilation + infiltration
parameters.append(f'{ventilation_infiltration} % BP(18) #8 Minimum air change rate zone {i + 1} (ACH)') parameters.append(f'{ventilation_infiltration} % BP(18) #8 Minimum air change rate zone {i + 1} (ACH)')
parameters.append(f'{len(thermal_zone.thermal_boundaries)} % Number of surfaces = BP(11+8z) \n' parameters.append(f'{len(thermal_zone.thermal_boundaries)} % Number of surfaces = BP(11+8z) \n'
@ -127,7 +172,7 @@ class InselMonthlyEnergyBalance(Insel):
for thermal_boundary in thermal_zone.thermal_boundaries: for thermal_boundary in thermal_zone.thermal_boundaries:
type_code = _CONSTRUCTION_CODE[thermal_boundary.type] type_code = _CONSTRUCTION_CODE[thermal_boundary.type]
wall_area = thermal_boundary.opaque_area * (1 + thermal_boundary.window_ratio) wall_area = thermal_boundary.opaque_area * (1 + thermal_boundary.window_ratio)
if thermal_boundary.type == cte.WALL and thermal_boundary.parent_surface.percentage_shared is not None: if thermal_boundary.type == cte.WALL:
wall_area = wall_area * (1 - thermal_boundary.parent_surface.percentage_shared) wall_area = wall_area * (1 - thermal_boundary.parent_surface.percentage_shared)
window_area = wall_area * thermal_boundary.window_ratio window_area = wall_area * thermal_boundary.window_ratio