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Added new attributes in thermal_opening.py and thermal_boundary.py. Modified surface.py and thermal_boundary.py to adapt to dynamic simulation. First version of thermal_demand_dynamic_simulation.py working well (only tested for one room)

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Pilar 2021-08-26 09:36:10 -04:00
parent e1f0f47bd0
commit 03a7f4cc33
7 changed files with 109 additions and 37 deletions
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3
city_model_structure/building.py
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@ -52,6 +52,7 @@ class Building(CityObject):
self._min_y = min(self._min_y, surface.lower_corner[1])
self._min_z = min(self._min_z, surface.lower_corner[2])
surface.id = surface_id
# todo: consider all type of surfaces, not only these four
if surface.type == 'Ground':
self._grounds.append(surface)
elif surface.type == 'Wall':
@ -302,6 +303,8 @@ class Building(CityObject):
"""
number_of_storeys, height = self._calculate_number_storeys_and_height(self.average_storey_height, self.eave_height,
self.storeys_above_ground)
number_of_storeys = 1
if not self._divide_in_storeys or number_of_storeys == 1:
return [Storey('storey_0', self.surfaces, [None, None], self.volume)]

3
city_model_structure/building_demand/surface.py
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@ -38,7 +38,8 @@ class Surface:
self._solid_polygon = solid_polygon
self._pv_system_installed = None
self._inverse = None
self._thermal_boundary = None
# todo: do I need it???
self._associated_thermal_boundary = None
@property
def name(self):

59
city_model_structure/building_demand/thermal_boundary.py
View File

@ -20,8 +20,9 @@ class ThermalBoundary:
def __init__(self, surface, delimits):
self._surface = surface
self._delimits = delimits
# ToDo: up to at least LOD2 will be just one thermal opening per Thermal boundary, review for LOD3 and LOD4
self._thermal_openings = [ThermalOpening()]
# ToDo: up to at least LOD2 will be just one thermal opening per Thermal boundary only if window_ratio > 0,
# review for LOD3 and LOD4
self._thermal_openings = None
self._layers = None
self._outside_solar_absorptance = None
self._outside_thermal_absorptance = None
@ -36,6 +37,9 @@ class ThermalBoundary:
self._surface_geometry = None
self._thickness = None
self._virtual_internal_surface = None
self._inside_emissivity = None
self._alpha_coefficient = None
self._radiative_coefficient = None
@property
def surface(self) -> Surface:
@ -76,7 +80,20 @@ class ThermalBoundary:
Thermal boundary area in square meters
:return: float
"""
return self._surface.solid_polygon.area
# to check the lod without depending on that parameter
if float(self.surface.solid_polygon.area) - float(self.surface.perimeter_polygon.area) < 1e-3:
area = float(self.surface.perimeter_polygon.area) * (1 - float(self.window_ratio))
else:
area = self.surface.solid_polygon.area
return area
@property
def _total_area_including_windows(self):
"""
Thermal boundary plus windows area in square meters
:return: float
"""
return self.surface.perimeter_polygon.area
@property
def thickness(self):
@ -146,6 +163,15 @@ class ThermalBoundary:
Get thermal boundary thermal openings
:return: [ThermalOpening]
"""
if self._thermal_openings is None:
if float(self.window_ratio) > 0:
thermal_opening = ThermalOpening()
thermal_opening.area = float(self._total_area_including_windows) * float(self.window_ratio)
thermal_opening.hi = self.hi
thermal_opening.he = self.he
self._thermal_openings = [thermal_opening]
else:
self._thermal_openings = []
return self._thermal_openings
@thermal_openings.setter
@ -309,3 +335,30 @@ class ThermalBoundary:
if self._virtual_internal_surface is None:
self._virtual_internal_surface = self.surface.inverse
return self._virtual_internal_surface
# todo: need to be documented and extract information from construction library
@property
def inside_emissivity(self):
return self._inside_emissivity
@inside_emissivity.setter
def inside_emissivity(self, value):
self._inside_emissivity = value
@property
def alpha_coefficient(self):
return self._alpha_coefficient
@alpha_coefficient.setter
def alpha_coefficient(self, value):
self._alpha_coefficient = value
@property
def radiative_coefficient(self):
return self._radiative_coefficient
@radiative_coefficient.setter
def radiative_coefficient(self, value):
self._radiative_coefficient = value

38
city_model_structure/building_demand/thermal_opening.py
View File

@ -26,6 +26,9 @@ class ThermalOpening:
self._hi = None
self._he = None
self._surface_geometry = None
self._inside_emissivity = None
self._alpha_coefficient = None
self._radiative_coefficient = None
@property
def area(self):
@ -35,6 +38,14 @@ class ThermalOpening:
"""
return self._area
@area.setter
def area(self, value):
"""
Thermal opening area in square meters setter
:param value: float
"""
self._area = value
@property
def openable_ratio(self):
"""
@ -127,8 +138,6 @@ class ThermalOpening:
if self._overall_u_value is None and self.conductivity is not None:
h_i = self.hi
h_e = self.he
h_i = 1
h_e = 1
r_value = 1 / h_i + 1 / h_e + float(self.conductivity) / float(self.thickness)
self._overall_u_value = 1 / r_value
@ -219,3 +228,28 @@ class ThermalOpening:
:return: Polygon
"""
return self._surface_geometry
# todo: need to be documented and extract information from construction library
@property
def inside_emissivity(self):
return self._inside_emissivity
@inside_emissivity.setter
def inside_emissivity(self, value):
self._inside_emissivity = value
@property
def alpha_coefficient(self):
return self._alpha_coefficient
@alpha_coefficient.setter
def alpha_coefficient(self, value):
self._alpha_coefficient = value
@property
def radiative_coefficient(self):
return self._radiative_coefficient
@radiative_coefficient.setter
def radiative_coefficient(self, value):
self._radiative_coefficient = value

27
data/construction/us_constructions.xml
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@ -133,13 +133,6 @@
<solar_absorptance units="-">0.7</solar_absorptance>
<visible_absorptance units="-">0.7</visible_absorptance>
</material>
<material id="13" name="MAT-SHEATH">
<no_mass>true</no_mass>
<thermal_resistance units="m2 K/W">0.36256</thermal_resistance>
<thermal_absorptance units="-">0.9</thermal_absorptance>
<solar_absorptance units="-">0.7</solar_absorptance>
<visible_absorptance units="-">0.7</visible_absorptance>
</material>
<material id="14" name="Metal Decking">
<conductivity units="W/m K">45.006</conductivity>
<density units="kg/m3">7680</density>
@ -163,13 +156,6 @@
<solar_absorptance units="-">0.7</solar_absorptance>
<visible_absorptance units="-">0.8</visible_absorptance>
</material>
<material id="17" name="MAT-SHEATH">
<no_mass>true</no_mass>
<thermal_resistance units="m2 K/W">0.36256</thermal_resistance>
<thermal_absorptance units="-">0.9</thermal_absorptance>
<solar_absorptance units="-">0.7</solar_absorptance>
<visible_absorptance units="-">0.7</visible_absorptance>
</material>
<material id="18" name="CP02 CARPET PAD">
<no_mass>true</no_mass>
<thermal_resistance units="m2 K/W">0.21648</thermal_resistance>
@ -177,13 +163,6 @@
<solar_absorptance units="-">0.7</solar_absorptance>
<visible_absorptance units="-">0.8</visible_absorptance>
</material>
<material id="19" name="MAT-SHEATH">
<no_mass>true</no_mass>
<thermal_resistance units="m2 K/W">0.36256</thermal_resistance>
<thermal_absorptance units="-">0.9</thermal_absorptance>
<solar_absorptance units="-">0.7</solar_absorptance>
<visible_absorptance units="-">0.7</visible_absorptance>
</material>
<material id="20" name="CP02 CARPET PAD">
<no_mass>true</no_mass>
<thermal_resistance units="m2 K/W">0.21648</thermal_resistance>
@ -345,7 +324,7 @@
<outside_visible_absorptance units="-">0.92</outside_visible_absorptance>
<layers>
<layer id="1" name="Layer 1">
<material>13</material>
<material>12</material>
</layer>
<layer id="2" name="Layer 2">
<material>3</material>
@ -454,7 +433,7 @@
<outside_visible_absorptance units="-">0.92</outside_visible_absorptance>
<layers>
<layer id="1" name="Layer 1">
<material>17</material>
<material>12</material>
</layer>
<layer id="2" name="Layer 2">
<material>3</material>
@ -525,7 +504,7 @@
<outside_visible_absorptance units="-">0.92</outside_visible_absorptance>
<layers>
<layer id="1" name="Layer 1">
<material>19</material>
<material>12</material>
</layer>
<layer id="2" name="Layer 2">
<material>3</material>

13
imports/construction/ca_physics_parameters.py
View File

@ -63,9 +63,10 @@ class CaPhysicsParameters(NrelPhysicsInterface):
thermal_boundary.outside_solar_absorptance = thermal_boundary_archetype.outside_solar_absorptance
thermal_boundary.construction_name = thermal_boundary_archetype.construction_name
thermal_boundary.window_ratio = thermal_boundary_archetype.window_ratio
for thermal_opening in thermal_boundary.thermal_openings:
if thermal_boundary_archetype.thermal_opening is not None:
thermal_opening_archetype = thermal_boundary_archetype.thermal_opening
thermal_opening.frame_ratio = thermal_opening_archetype.frame_ratio
thermal_opening.g_value = thermal_opening_archetype.g_value
thermal_opening.overall_u_value = thermal_opening_archetype.overall_u_value
if thermal_boundary.thermal_openings is not None:
for thermal_opening in thermal_boundary.thermal_openings:
if thermal_boundary_archetype.thermal_opening is not None:
thermal_opening_archetype = thermal_boundary_archetype.thermal_opening
thermal_opening.frame_ratio = thermal_opening_archetype.frame_ratio
thermal_opening.g_value = thermal_opening_archetype.g_value
thermal_opening.overall_u_value = thermal_opening_archetype.overall_u_value

3
imports/geometry/citygml.py
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@ -83,7 +83,8 @@ class CityGml:
surfaces = CityGmlLod2(city_object).surfaces
else:
raise NotImplementedError("Not supported level of detail")
return Building(name, lod, surfaces, year_of_construction, function, self._lower_corner, [])
return Building(name, lod, surfaces, year_of_construction, function, self._lower_corner, [],
divide_in_storeys=True)
def _create_parts_consisting_building(self, city_object):
name = city_object['@id']