forked from s_ranjbar/city_retrofit
49 lines
2.5 KiB
Python
49 lines
2.5 KiB
Python
from hub.city_model_structure.building import Building
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from hub.city_model_structure.city import City
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import hub.helpers.constants as cte
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class RetrofitFactory:
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def __init__(self, retrofit_type, city):
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self._retrofit_type = retrofit_type
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self._city = city
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def apply_retrofit(self, wall_u_value=None, roof_u_value=None, ground_u_value=None):
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for building in self._city.buildings:
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print("building", building.name)
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self._apply_retrofit_to_building(building, wall_u_value, roof_u_value, ground_u_value)
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def _apply_retrofit_to_building(self, building: Building, wall_u_value, roof_u_value, ground_u_value):
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for thermal_zone in building.thermal_zones_from_internal_zones:
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for thermal_boundary in thermal_zone.thermal_boundaries:
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if wall_u_value and thermal_boundary.type == cte.WALL:
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print("old_u_value", thermal_boundary.u_value)
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self._change_thermal_resistance(thermal_boundary, wall_u_value)
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thermal_boundary.u_value = wall_u_value
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elif roof_u_value and thermal_boundary.type == cte.ROOF:
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self._change_thermal_resistance(thermal_boundary, roof_u_value)
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thermal_boundary.u_value = roof_u_value
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elif ground_u_value and thermal_boundary.type == cte.GROUND:
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self._change_thermal_resistance(thermal_boundary, ground_u_value)
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thermal_boundary.u_value = ground_u_value
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def _change_thermal_resistance(self, thermal_boundary, u_value):
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old_u_value =thermal_boundary.u_value
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new_u_value = u_value
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if new_u_value < old_u_value:
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delta_r = 1/(old_u_value - new_u_value)
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for layer in thermal_boundary.layers:
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if "virtual_no_mass" in layer.material_name.lower():
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new_thermal_resistance = layer.thermal_resistance + delta_r
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layer.thermal_resistance = new_thermal_resistance
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else:
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pass
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def enrich(self):
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# This method can be expanded to include different retrofit strategies
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if self._retrofit_type == 'basic':
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self.apply_retrofit(wall_u_value=0.247, roof_u_value=0.138, ground_u_value=0.156)
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elif self._retrofit_type == 'advanced':
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self.apply_retrofit(wall_u_value=0.15, roof_u_value=0.08, ground_u_value=0.1)
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