m_osman/city_retrofit
1
0
Fork 0
forked from s_ranjbar/city_retrofit
Code Pull Requests Activity

Bugfixing in idf_helper, changing the method exposure so now adding surfaces add materials and layers automatically, added surface getter for ThermalBoundary

Browse Source
This commit is contained in:
Guille 2020-11-12 13:50:43 -05:00
parent ad9b40be48
commit fcbee21199
4 changed files with 95 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
city_model_structure/attributes/thermal_boundary.py
View File

@ -9,6 +9,7 @@ from city_model_structure.attributes.layer import Layer
from city_model_structure.attributes.thermal_opening import ThermalOpening
from city_model_structure.attributes.thermal_zone import ThermalZone
from helpers.configuration_helper import ConfigurationHelper
from city_model_structure.attributes.surface import Surface
class ThermalBoundary:
@ -30,6 +31,14 @@ class ThermalBoundary:
self._shortwave_reflectance = 1 - self._outside_solar_absorptance
self._construction_name = None
@property
def surface(self) -> Surface:
"""
Get the surface that belongs to the thermal boundary
:return: Surface
"""
return self._surface
@property
def delimits(self) -> List[ThermalZone]:
"""

2
helpers/constants.py
View File

@ -9,4 +9,4 @@ time_scale = {
'month': 'month',
'year': 'year'
}
roughness="MediumRough"
roughness = "MediumRough"

112
helpers/idf_helper.py
View File

@ -7,12 +7,16 @@ from geomeppy import IDF
import os
import esoreader
from pathlib import Path
import helpers
import helpers.constants as cte
class IdfHelper:
_THERMOSTAT = 'HVACTEMPLATE:THERMOSTAT'
_IDEAL_LOAD_AIR_SYSTEM = 'HVACTEMPLATE:ZONE:IDEALLOADSAIRSYSTEM'
_SURFACE = 'BUILDINGSURFACE:DETAILED'
_CONSTRUCTION = 'CONSTRUCTION'
_MATERIAL = 'MATERIAL'
_MATERIAL_NOMASS = 'MATERIAL:NOMASS'
idf_surfaces = {
'Wall': 'wall',
@ -31,34 +35,67 @@ class IdfHelper:
self._idf = IDF(self._idf_file_path, self._epw_file_path)
self._idf.epw = self._epw_file_path
def add_material(self, layer):
materials = self._idf.newidfobject("MATERIAL".upper())
materials.Name = layer.material.name
materials.Roughness = helpers.roughness
materials.Thickness = layer.thickness
materials.Conductivity = layer.material.conductivity
materials.Density = layer.material.density
materials.Specific_Heat = layer.material.specific_heat
materials.Thermal_Absorptance = layer.material.thermal_absorptance
materials.Solar_Absorptance = layer.material.solar_absorptance
materials.Visible_Absorptance = layer.material.visible_absorptance
def add_construction(self, thermal_boundary):
for boundary in thermal_boundary:
for layer in boundary:
if len(layer) == 2:
self._idf.newidfobject("CONSTRUCTION", Name=boundary.construction_name,
Outside_Layer=layer[0].material.name, Layer_2=layer[1].material.name)
elif len(layer) == 3:
self._idf.newidfobject("CONSTRUCTION", Name=boundary.construction_name,
Outside_Layer=layer[0].material.name, Layer_2=layer[1].material.name, Layer_3=layer[2].material.name)
elif len(layer) == 4:
self._idf.newidfobject("CONSTRUCTION", Name=boundary.construction_name,
Outside_Layer=layer[0].material.name, Layer_2=layer[1].material.name, Layer_3=layer[2].material.name, Layer_4=layer[3].material.name)
def _add_material(self, layer):
for material in self._idf.idfobjects[self._MATERIAL]:
if material.Name == layer.material.name:
return
for material in self._idf.idfobjects[self._MATERIAL_NOMASS]:
if material.Name == layer.material.name:
return
if layer.material.no_mass:
self._idf.newidfobject(self._MATERIAL_NOMASS,
Name=layer.material.name,
Roughness=cte.roughness,
Thermal_Resistance=layer.material.thermal_resistance,
Thermal_Absorptance=layer.material.thermal_absorptance,
Solar_Absorptance=layer.material.solar_absorptance,
Visible_Absorptance=layer.material.visible_absorptance
)
else:
print("Could not find the true construction")
self._idf.newidfobject(self._MATERIAL,
Name=layer.material.name,
Roughness=cte.roughness,
Thickness=layer.thickness,
Conductivity=layer.material.conductivity,
Density=layer.material.density,
Specific_Heat=layer.material.specific_heat,
Thermal_Absorptance=layer.material.thermal_absorptance,
Solar_Absorptance=layer.material.solar_absorptance,
Visible_Absorptance=layer.material.visible_absorptance
)
print(f"Add material {layer.material.name}")
def add_heating_system(self, building):
def _add_construction(self, thermal_boundary):
for construction in self._idf.idfobjects[self._CONSTRUCTION]:
if construction.Name == thermal_boundary.construction_name:
return
for layer in thermal_boundary.layers:
self._add_material(layer)
layers = thermal_boundary.layers
if len(layers) == 2:
self._idf.newidfobject(self._CONSTRUCTION, Name=thermal_boundary.construction_name,
Outside_Layer=layers[0].material.name, Layer_2=layers[1].material.name)
debug = f'{self._CONSTRUCTION}, Name={thermal_boundary.construction_name}, Outside_Layer={layers[0].material.name}' \
f', Layer_2={layers[1].material.name}'
elif len(thermal_boundary.layers) == 3:
self._idf.newidfobject(self._CONSTRUCTION, Name=thermal_boundary.construction_name,
Outside_Layer=layers[0].material.name, Layer_2=layers[1].material.name,
Layer_3=layers[2].material.name)
debug = f'{self._CONSTRUCTION}, Name={thermal_boundary.construction_name}, ' \
f'Outside_Layer={layers[0].material.name}, Layer_2={layers[1].material.name}, ' \
f'Layer_3={layers[2].material.name}'
elif len(thermal_boundary.layers) == 4:
self._idf.newidfobject(self._CONSTRUCTION, Name=thermal_boundary.construction_name,
Outside_Layer=layers[0].material.name, Layer_2=layers[1].material.name,
Layer_3=layers[2].material.name, Layer_4=layers[3].material.name)
debug = f'{self._CONSTRUCTION}, Name={thermal_boundary.construction_name}, ' \
f'Outside_Layer={layers[0].material.name}, Layer_2={layers[1].material.name}, ' \
f'Layer_3={layers[2].material.name}, Layer_4={layers[3].material.name}'
else:
raise Exception("This libs version cannot handle more than 4 layers")
print(debug)
def _add_heating_system(self, building):
for usage_zone in building.usage_zones:
thermostat_name = f'Thermostat {building.name}'
# todo: this will fail for more than one usage zone
@ -71,7 +108,7 @@ class IdfHelper:
if zone.Name.find(building.name) != -1:
self._idf.newidfobject(self._IDEAL_LOAD_AIR_SYSTEM,
Zone_Name=zone.Name,
Template_Thermostat_Name=static_thermostat.Name,)
Template_Thermostat_Name=static_thermostat.Name, )
@staticmethod
def _matrix_to_list(points):
@ -93,7 +130,7 @@ class IdfHelper:
_points = IdfHelper._matrix_to_2d_list(building.foot_print.points)
self._idf.add_block(name=building.name, coordinates=_points, height=building.max_height,
num_stories=int(building.storeys_above_ground))
self.add_heating_system(building)
self._add_heating_system(building)
self._idf.intersect_match()
def add_surfaces(self, building):
@ -101,14 +138,16 @@ class IdfHelper:
for zone in building.thermal_zones:
zone_name = f'Building {building.name} usage zone {index}'
self._idf.newidfobject('ZONE', Name=zone_name)
for surface in zone.surfaces:
idf_surface = self.idf_surfaces[surface.type]
wall = self._idf.newidfobject(self._SURFACE, Name=f'{building.name}-{surface.name}', Surface_Type=idf_surface,
Zone_Name=zone_name)
coordinates = IdfHelper._matrix_to_list(surface.points)
for boundary in zone.bounded:
self._add_construction(boundary)
idf_surface = self.idf_surfaces[boundary.surface.type]
wall = self._idf.newidfobject(self._SURFACE, Name=f'{building.name}-{boundary.surface.name}',
Surface_Type=idf_surface, Zone_Name=zone_name,
Construction_Name=boundary.construction_name)
coordinates = IdfHelper._matrix_to_list(boundary.surface.points)
wall.setcoords(coordinates)
index += 1
self.add_heating_system(building)
self._add_heating_system(building)
self._idf.intersect_match()
def run(self, output_directory, window_ratio=0.35, display_render=False, output_prefix=None, keep_file=None):
@ -117,12 +156,13 @@ class IdfHelper:
self._idf.translate_to_origin()
if display_render:
self._idf.view_model()
# Run
# Run
self._idf.newidfobject("OUTPUT:METER", Key_Name="Heating:DistrictHeating", Reporting_Frequency="hourly")
self._idf.newidfobject("OUTPUT:METER", Key_Name="Cooling:DistrictCooling", Reporting_Frequency="hourly")
idf_path = None
if keep_file is not None:
idf_path = (keep_file / 'in.idf').resolve()
print(str(idf_path))
self._idf.saveas(str(idf_path))
if idf_path is None:
idf_path = (Path(__file__).parent / 'in.idf').resolve()

25
tests/test_idf.py
View File

@ -39,23 +39,17 @@ class TestIdf(TestCase):
idd_file_path = (self._example_path / 'energy+.idd').resolve()
idf_file_path = (self._example_path / 'minimal.idf').resolve()
epw_file_path = (self._example_path / 'montreal.epw').resolve()
_idf = IdfHelper(idf_file_path, idd_file_path, epw_file_path)
idf = IdfHelper(idf_file_path, idd_file_path, epw_file_path)
city = self._get_city()
for building in city.buildings:
_idf.add_block(building)
for thermal_zone in building.thermal_zones:
for bound in thermal_zone.bounded:
for layer in bound.layers:
print(layer.thickness)
print(layer.material.density)
idf.add_block(building)
test_prefix = 'test_idf_blocks'
_idf.run(self._output_path, output_prefix=test_prefix, keep_file=self._output_path, display_render=True)
idf.run(self._output_path, output_prefix=test_prefix, keep_file=self._output_path)
eso_file_path = (self._output_path / f'{test_prefix}out.eso')
heating, cooling = _idf.read_eso(str(eso_file_path))
heating, cooling = idf.read_eso(str(eso_file_path))
self.assertEqual(len(heating), len(cooling), "Cooling and Heating doesn't contains the same amount of values")
self.assertNotEqual(len(heating), 0, "Cooling and Heating series are empty")
file_list = glob.glob(Path(self._output_path / '*').resolve())
file_list = glob.glob(str(Path(self._output_path / '*').resolve()))
for file_path in file_list:
os.remove(file_path)
@ -64,15 +58,14 @@ class TestIdf(TestCase):
idf_file_path = (self._example_path / 'minimal.idf').resolve()
epw_file_path = (self._example_path / 'montreal.epw').resolve()
_idf = IdfHelper(idf_file_path, idd_file_path, epw_file_path)
idf = IdfHelper(idf_file_path, idd_file_path, epw_file_path)
city = self._get_city()
for building in city.buildings:
_idf.add_surfaces(building)
break
idf.add_surfaces(building)
test_prefix = 'test_idf_blocks'
_idf.run(self._output_path, output_prefix=test_prefix, keep_file=self._output_path)
idf.run(self._output_path, output_prefix=test_prefix, keep_file=self._output_path)
eso_file_path = (self._output_path / f'{test_prefix}out.eso')
heating, cooling = _idf.read_eso(str(eso_file_path))
heating, cooling = idf.read_eso(str(eso_file_path))
self.assertEqual(len(heating), len(cooling), "Cooling and Heating doesn't contains the same amount of values")
self.assertNotEqual(len(heating), 0, "Cooling and Heating series are empty")
file_list = glob.glob(str(Path(self._output_path / '*').resolve()))