city_retrofit/hub/imports/retrofit_factory.py
2024-09-22 13:51:59 -04:00

147 lines
9.2 KiB
Python

# from hub.city_model_structure.building import Building
# from hub.city_model_structure.city import City
# import hub.helpers.constants as cte
# import copy
# class RetrofitFactory:
# def __init__(self, retrofit_type, city):
# self._retrofit_type = retrofit_type
# self._city = city
# def apply_retrofit(self, wall_u_value=None, roof_u_value=None, ground_u_value=None):
# for building in self._city.buildings:
# self._apply_retrofit_to_building(building, wall_u_value, roof_u_value, ground_u_value)
# def _apply_retrofit_to_building(self, building: Building, wall_u_value, roof_u_value, ground_u_value):
# for thermal_zone in building.thermal_zones_from_internal_zones:
# for thermal_boundary in thermal_zone.thermal_boundaries:
# if wall_u_value is not None and thermal_boundary.type == cte.WALL and thermal_boundary.u_value > wall_u_value:
# self._change_thermal_resistance(thermal_boundary, wall_u_value)
# thermal_boundary.u_value = wall_u_value
# elif roof_u_value is not None and thermal_boundary.type == cte.ROOF:
# self._change_thermal_resistance(thermal_boundary, roof_u_value)
# thermal_boundary.u_value = roof_u_value
# elif ground_u_value is not None and thermal_boundary.type == cte.GROUND:
# self._change_thermal_resistance(thermal_boundary, ground_u_value)
# thermal_boundary.u_value = ground_u_value
# print("thermal_boundary.u_value",thermal_boundary.u_value, thermal_boundary.type)
# def _change_thermal_resistance(self, thermal_boundary, new_u_value):
# old_u_value = thermal_boundary.u_value
# new_u_value = new_u_value
# if new_u_value < old_u_value:
# delta_r = (1 / new_u_value) - (1 / old_u_value)
# for layer in thermal_boundary.layers:
# if "virtual_no_mass" in layer.material_name.lower():
# new_thermal_resistance = layer.thermal_resistance + delta_r
# layer.thermal_resistance = new_thermal_resistance
# else:
# print("New U-value:", new_u_value, "is not less than old U-value:", old_u_value, "for thermal boundary type:", thermal_boundary.type)
# def enrich(self, wall_u_value=None, roof_u_value=None, ground_u_value=None):
# # This method can be expanded to include different retrofit strategies
# if self._retrofit_type == 'basic':
# self.apply_retrofit(wall_u_value=0.247, roof_u_value=0.138, ground_u_value=0.156)
# elif self._retrofit_type == 'advanced':
# self.apply_retrofit(wall_u_value=0.11, roof_u_value=0.08, ground_u_value=0.1)
# #add option for custom wall only, roof only, ground only, the user choose the values
# elif self._retrofit_type == 'custom':
# # Use user-defined custom values (if provided)
# self.apply_retrofit(wall_u_value=wall_u_value, roof_u_value=roof_u_value, ground_u_value=ground_u_value)
# else:
# print("Invalid retrofit type:", self._retrofit_type)
from hub.city_model_structure.building import Building
from hub.city_model_structure.city import City
import hub.helpers.constants as cte
import copy
class RetrofitFactory:
def __init__(self, retrofit_types, city):
"""
:param retrofit_types: List of retrofit types to apply. Options are 'construction', 'windows', 'infiltration'.
:param city: The City object containing the buildings to retrofit.
"""
self._retrofit_types = retrofit_types
self._city = city
def apply_construction_retrofit(self, wall_u_value=None, roof_u_value=None, ground_u_value=None):
for building in self._city.buildings:
self._apply_construction_retrofit_to_building(building, wall_u_value, roof_u_value, ground_u_value)
def _apply_construction_retrofit_to_building(self, building: Building, wall_u_value, roof_u_value, ground_u_value):
for thermal_zone in building.thermal_zones_from_internal_zones:
for thermal_boundary in thermal_zone.thermal_boundaries:
if wall_u_value is not None and thermal_boundary.type == cte.WALL and thermal_boundary.u_value > wall_u_value:
self._change_thermal_resistance(thermal_boundary, wall_u_value)
thermal_boundary.u_value = wall_u_value
elif roof_u_value is not None and thermal_boundary.type == cte.ROOF and thermal_boundary.u_value > roof_u_value:
self._change_thermal_resistance(thermal_boundary, roof_u_value)
thermal_boundary.u_value = roof_u_value
elif ground_u_value is not None and thermal_boundary.type == cte.GROUND and thermal_boundary.u_value > ground_u_value:
self._change_thermal_resistance(thermal_boundary, ground_u_value)
thermal_boundary.u_value = ground_u_value
print("thermal_boundary.u_value", thermal_boundary.u_value, thermal_boundary.type)
def _change_thermal_resistance(self, thermal_boundary, new_u_value):
old_u_value = thermal_boundary.u_value
if new_u_value < old_u_value:
delta_r = (1 / new_u_value) - (1 / old_u_value)
for layer in thermal_boundary.layers:
if "virtual_no_mass" in layer.material_name.lower():
new_thermal_resistance = layer.thermal_resistance + delta_r
layer.thermal_resistance = new_thermal_resistance
else:
print("New U-value:", new_u_value, "is not less than old U-value:", old_u_value, "for thermal boundary type:", thermal_boundary.type)
def reduce_infiltration_rate_by_percentage(self, percentage):
"""
Reduce the infiltration_rate_system_off of each thermal zone by the given percentage.
:param percentage: Percentage by which to reduce the infiltration rate (e.g., 20 for 20%)
"""
for building in self._city.buildings:
for thermal_zone in building.thermal_zones_from_internal_zones:
old_rate = thermal_zone.infiltration_rate_system_off
new_rate = old_rate * (1 - percentage / 100)
thermal_zone.infiltration_rate_system_off = new_rate
print(f"Reduced infiltration rate from {old_rate} to {new_rate} in thermal zone {thermal_zone}")
def apply_window_retrofit(self, overall_u_value=None, g_value=None):
"""
Apply window retrofit by changing window overall U-value and g-value.
:param overall_u_value: New overall U-value for the windows (if not None).
:param g_value: New g-value (solar heat gain coefficient) for the windows (if not None).
"""
for building in self._city.buildings:
for thermal_zone in building.thermal_zones_from_internal_zones:
for thermal_boundary in thermal_zone.thermal_boundaries:
# Only apply to walls (and roofs if skylights are considered)
if thermal_boundary.type in [cte.WALL]: # Add cte.ROOF if skylights are present
if hasattr(thermal_boundary, 'thermal_openings') and thermal_boundary.thermal_openings:
for opening in thermal_boundary.thermal_openings:
if overall_u_value is not None and overall_u_value != 0:
old_u_value = opening.overall_u_value
opening.overall_u_value = overall_u_value
print(f"Changed window overall_u_value from {old_u_value} to {opening.overall_u_value} in opening {opening}")
if g_value is not None and g_value != 0:
old_g_value = opening.g_value
opening.g_value = g_value
print(f"Changed window g_value from {old_g_value} to {opening.g_value} in opening {opening}")
else:
print(f"No thermal openings in thermal boundary {thermal_boundary} of type {thermal_boundary.type}")
else:
# Skip thermal boundaries that are not walls or roofs
continue
def enrich(self, wall_u_value=None, roof_u_value=None, ground_u_value=None,
infiltration_rate_percentage_reduction=None,
window_overall_u_value=None, window_g_value=None):
"""
Apply selected retrofits to the city.
"""
if 'construction' in self._retrofit_types:
self.apply_construction_retrofit(wall_u_value, roof_u_value, ground_u_value)
if 'infiltration' in self._retrofit_types and infiltration_rate_percentage_reduction is not None:
self.reduce_infiltration_rate_by_percentage(infiltration_rate_percentage_reduction)
if 'windows' in self._retrofit_types:
self.apply_window_retrofit(overall_u_value=window_overall_u_value, g_value=window_g_value)