Plus 2.X:First Steps - Versionsgeschichte

SebSta: /* STEP seven : Defining design inner climate conditions */

2013-07-04T08:52:53Z

STEP seven : Defining design inner climate conditions

← Nächstältere Version		Version vom 4. Juli 2013, 10:52 Uhr
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	Step seven is related to step six. In this step you have to verify the [[Plus 2.X:Design Conditions\|design conditions]], i.e kind of heating/cooling and the ventilation system. Preliminary it is important to know that for indoor climate conditions two basic requirements are necessary:		Step seven is related to step six. In this step you have to verify the [[Plus 2.X:Design Conditions\|design conditions]], i.e kind of heating/cooling and the ventilation system. Preliminary it is important to know that for indoor climate conditions two basic requirements are necessary:
	*a schedule to control working hours of heating, cooling, de-/humidification or ventilation system and		*a schedule to control working hours of heating, cooling, de-/humidification or ventilation system and
	*a definition of capacities of these systems. see [[#STEP eleven: Initiation of HVAC ~~Systems~~\|STEP eleven: Initiation of HVAC Systems]] or [[PLus 2.X:HVAC\|HVAC]]		*a definition of capacities of these systems. see [[#STEP eleven: Initiation of HVAC systems\|STEP eleven: Initiation of HVAC Systems]] or [[PLus 2.X:HVAC\|HVAC]]

	In this step, the schedules for our design conditions (the conditions to be maintained by the HVAC equipment) are defined. The indoor atmospheric conditions should conform to a certain range of temperature and relative humidity. Limits for those parameters can be set in this section. According to a healthy room temperature, in this example we use the following parameters:		In this step, the schedules for our design conditions (the conditions to be maintained by the HVAC equipment) are defined. The indoor atmospheric conditions should conform to a certain range of temperature and relative humidity. Limits for those parameters can be set in this section. According to a healthy room temperature, in this example we use the following parameters:

Krizzl am 27. März 2012 um 14:46 Uhr

2012-03-27T14:46:30Z

← Nächstältere Version		Version vom 27. März 2012, 16:46 Uhr
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	For advanced users: It is also possible to define own climate conditions or to [[Plus 2.X:Files/Measured Data\|import own climate files]].		For advanced users: It is also possible to define own climate conditions or to [[Plus 2.X:Files/Measured Data\|import own climate files]].

	As long as your building does not float in the air, for whatever reason, it is necessary to define at least one additional climate to give reasonable boundary conditions for the inert behavior of soil. This can be done using the “[[Plus 2.X:Dialog_Climate#Optional Climate\|Optional Climates]]” tab. For the soil temperature it is accurate to select a sine curve that has its peak at about two months later than summer solstice, i.e. at the end of August / in early September in the northern hemisphere. Depending on local conditions, the amplitude of the sine curve can be modified due to the annual fluctuation of the temperature curves. This fluctuation is the difference of the mean maximum temperature of soil in warm seasons and the mean minimum temperature of soil in cold seasons. For continental climates like Siberia this amplitude may be high (high temperatures in summer, very cool winter), for maritime climate systems it is rather low. Furthermore, the mean temperature must be set. This can be approximated using the annual average air temperature. In this example we assume the climate of Holzkirchen, the ~~WUFI’s~~ origin with moderate continental climate. How this can be entered in ~~WUFI®Plus~~ can be seen in Figure 4 on the next page.		As long as your building does not float in the air, for whatever reason, it is necessary to define at least one additional climate to give reasonable boundary conditions for the inert behavior of soil. This can be done using the “[[Plus 2.X:Dialog_Climate#Optional Climate\|Optional Climates]]” tab. For the soil temperature it is accurate to select a sine curve that has its peak at about two months later than summer solstice, i.e. at the end of August / in early September in the northern hemisphere. Depending on local conditions, the amplitude of the sine curve can be modified due to the annual fluctuation of the temperature curves. This fluctuation is the difference of the mean maximum temperature of soil in warm seasons and the mean minimum temperature of soil in cold seasons. For continental climates like Siberia this amplitude may be high (high temperatures in summer, very cool winter), for maritime climate systems it is rather low. Furthermore, the mean temperature must be set. This can be approximated using the annual average air temperature. In this example we assume the climate of Holzkirchen, the WUFI®’s origin with moderate continental climate. How this can be entered in WUFI®plus can be seen in Figure 4 on the next page.

	[[Bild:14_soilclimate.png\|center\|frame\|Figure 4:Setting of an optional climate]]<br>		[[Bild:14_soilclimate.png\|center\|frame\|Figure 4:Setting of an optional climate]]<br>

Krizzl: /* STEP four: Definition of the components. */

2012-03-27T11:05:42Z

STEP four: Definition of the components.

← Nächstältere Version		Version vom 27. März 2012, 13:05 Uhr
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	Primarily, a [[Plus 2.X:Visualized Components\|component]] is a surface of the building. It may be the roof, the base plate or vertical walls. As the composition of our vertical walls is mostly the same, those can be summarized as one component. This is predefined in WUFI®Plus.		Primarily, a [[Plus 2.X:Visualized Components\|component]] is a surface of the building. It may be the roof, the base plate or vertical walls. As the composition of our vertical walls is mostly the same, those can be summarized as one component. This is predefined in WUFI®Plus.
	To change this, click on the aimed component in the [[Plus 2.X:Visualization Box\|Visualization Box]]. ~~Afterward~~, right click on this component, choose “Ungroup” and follow the instructions in accordance with your aimed modification. The “General” tab outlines basic data of a component and enables titling of components. ~~Especially~~ in case of numerous components~~, this is important to evaluate~~ results.		To change this, click on the aimed component in the [[Plus 2.X:Visualization Box\|Visualization Box]]. Afterwards, right click on this component, choose “Ungroup” and follow the instructions in accordance with your aimed modification. The “General” tab outlines basic data of a component and enables titling of components. This is especially important in case of numerous components for evaluating results.

	We start with Component 1, the Bottom Plate according to the steps shown in Figure 7. Choose the component you want to edit in the Project Explorer [1], next assemblies can be allocated to a component in the “[[Plus 2.X:Visualized Components#Opaque components\|Assembly]]” tab [2]. The Project construction list [3] shows all constructions used in a project. The highlighted one is applied to the respective component. As no constructions were assigned so far, the list is empty for one plain construction, which must be chosen. As there is no predefined geometry for the bottom plate, you have to define one, this is done by clicking the “Edit” button [4] which opens the “Edit Assembly” window [5]		We start with Component 1 the Bottom Plate according to the steps shown in Figure 7. Choose the component you want to edit in the Project Explorer [1], next assemblies can be allocated to a component in the “[[Plus 2.X:Visualized Components#Opaque components\|Assembly]]” tab [2]. The Project construction list [3] shows all constructions used in a project. The highlighted one is applied to the respective component. As no constructions were assigned so far, the list is empty for one plain construction, which must be chosen. As there is no predefined geometry for the bottom plate, you have to define one, this is done by clicking the “Edit” button [4] which opens the “Edit Assembly” window [5]

	[[Bild:17_component12.png\|center\|frame\|Figure 7:Editing an assembly]]<br>		[[Bild:17_component12.png\|center\|frame\|Figure 7:Editing an assembly]]<br>

Krizzl: /* STEP three: Generate building geometry */

2012-03-27T11:03:31Z

STEP three: Generate building geometry

← Nächstältere Version		Version vom 27. März 2012, 13:03 Uhr
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	Checking the Caption Bar of the “Component Openings” window defines whether the wall is viewed from inside or outside.		Checking the Caption Bar of the “Component Openings” window defines whether the wall is viewed from inside or outside.

	The new window will be shown under [[Plus 2.X:Visualized Components\|Visualized Components]]. So the windows and openings ~~created~~ will appear in the navigation tree and can be edited as usual.		The new window will be shown under [[Plus 2.X:Visualized Components\|Visualized Components]]. So the windows and openings will appear in the navigation tree and can be edited as usual.

	[[Bild:16_windows2.png\|center\|frame\|Figure 6:Generating windows]]<br>		[[Bild:16_windows2.png\|center\|frame\|Figure 6:Generating windows]]<br>

Krizzl: /* STEP three: Generate building geometry */

2012-03-27T09:41:00Z

STEP three: Generate building geometry

← Nächstältere Version		Version vom 27. März 2012, 11:41 Uhr
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	For generating the geometry, there are two basic options. Rather simple buildings or space can be created using the [[Plus 2.X:Building#Building Wizard\|automatic building wizard]]. This tool generates a building with predefined floor plan, roof and foundation selections. Here we assume a simple case with one heated slab-on-ground zone and an inclined unheated attic. Figure 5 indicates the steps to generate a simple standalone building. There is also a possibility of defining the orientation of the main facade of the building as highlighted in Figure 15 ~~at the bottom~~.		For generating the geometry, there are two basic options. Rather simple buildings or space can be created using the [[Plus 2.X:Building#Building Wizard\|automatic building wizard]]. This tool generates a building with predefined floor plan, roof and foundation selections. Here we assume a simple case with one heated slab-on-ground zone and an inclined unheated attic. Figure 5 indicates the steps to generate a simple standalone building. There is also the possibility of defining the orientation of the main facade of the building as highlighted at the bottom of in Figure 15.
	If, however, a more complex building is requested, it can be [[Plus 2.X:Building#Edit 3D\|created using vertices]].		If, however, a more complex building is requested, it can be [[Plus 2.X:Building#Edit 3D\|created using vertices]].

Krizzl: /* STEP four: Definition of the components. */

2012-03-26T11:02:10Z

STEP four: Definition of the components.

← Nächstältere Version		Version vom 26. März 2012, 13:02 Uhr
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	Also user defined assemblies can be saved in the database, this is reasonable, if you want to reuse assemblies as you don’t have to define them using the “Edit” button (like you did defining the bottom plate) each time but can easily select it from the database.		Also user defined assemblies can be saved in the database, this is reasonable, if you want to reuse assemblies as you don’t have to define them using the “Edit” button (like you did defining the bottom plate) each time but can easily select it from the database.
	Watch this [http://www.wufi-wiki.com/wufifilme/step6-components/Bottom_Plate_assemblydatabase/step6_Bottom_Plate.htm '''movie'''] to see how user defined ~~materials~~ can be saved to the database.		Watch this [http://www.wufi-wiki.com/wufifilme/step6-components/Bottom_Plate_assemblydatabase/step6_Bottom_Plate.htm '''movie'''] to see how user defined assemblies can be saved to the database.

	== STEP five: Definition of “not visualized components” ==		== STEP five: Definition of “not visualized components” ==

Krizzl: /* STEP four: Definition of the components. */

2012-03-26T11:01:30Z

STEP four: Definition of the components.

← Nächstältere Version		Version vom 26. März 2012, 13:01 Uhr
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	Also user defined assemblies can be saved in the database, this is reasonable, if you want to reuse assemblies as you don’t have to define them using the “Edit” button (like you did defining the bottom plate) each time but can easily select it from the database.		Also user defined assemblies can be saved in the database, this is reasonable, if you want to reuse assemblies as you don’t have to define them using the “Edit” button (like you did defining the bottom plate) each time but can easily select it from the database.
			Watch this [http://www.wufi-wiki.com/wufifilme/step6-components/Bottom_Plate_assemblydatabase/step6_Bottom_Plate.htm '''movie'''] to see how user defined materials can be saved to the database.

	== STEP five: Definition of “not visualized components” ==		== STEP five: Definition of “not visualized components” ==

Krizzl am 26. März 2012 um 08:13 Uhr

2012-03-26T08:13:40Z

← Nächstältere Version		Version vom 26. März 2012, 10:13 Uhr
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	'''Example Case		'''Example Case

	This short example shows you step by step how to input and calculate a case. To create and compute a new case, please perform the 13 following steps. There is also a [http://www.wufi-wiki.com/wufifilme/overview_movie/rohfassung.htm movie] demonstrating all the steps.		This short example shows you step by step how to input and calculate a case. To create and compute a new case, please perform the 13 following steps. There is also a [http://www.wufi-wiki.com/wufifilme/overview_movie/rohfassung.htm '''movie'''] demonstrating all the steps.

	'''		'''

Krizzl am 20. Dezember 2011 um 13:47 Uhr

2011-12-20T13:47:58Z

← Nächstältere Version		Version vom 20. Dezember 2011, 15:47 Uhr
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	'''		'''

	== STEP one: Information and setting of ~~Framework Conditions~~ ==		== STEP one: Information and setting of framework conditions ==


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	[[Bild:11_examplecase.png\|1:Creating an example case\|center\|frame\|Figure 1:Creating an Example Case]]<br>		[[Bild:11_examplecase.png\|1:Creating an example case\|center\|frame\|Figure 1:Creating an Example Case]]<br>

	== STEP two : Definition of the climatic ~~Conditions~~ ==		== STEP two : Definition of the climatic conditions ==


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	For relative humidity a constant mean value of 99% is adequate.		For relative humidity a constant mean value of 99% is adequate.

	== STEP three: Generate ~~Building Geometry~~ ==		== STEP three: Generate building geometry ==


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	For advanced users: It is also possible to generate openings by using the [[Plus 2.X:Building#Edit 3D\|3D Edit tool]] or by defining own points.		For advanced users: It is also possible to generate openings by using the [[Plus 2.X:Building#Edit 3D\|3D Edit tool]] or by defining own points.

	== STEP four: Definition of the ~~Components~~. ==		== STEP four: Definition of the components. ==


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	Also user defined assemblies can be saved in the database, this is reasonable, if you want to reuse assemblies as you don’t have to define them using the “Edit” button (like you did defining the bottom plate) each time but can easily select it from the database.		Also user defined assemblies can be saved in the database, this is reasonable, if you want to reuse assemblies as you don’t have to define them using the “Edit” button (like you did defining the bottom plate) each time but can easily select it from the database.

	== STEP five: Definition of ~~“Not~~ visualized ~~Components”~~ ==		== STEP five: Definition of “not visualized components” ==


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	\|}<br style="clear:both" />		\|}<br style="clear:both" />

	== STEP six: Setting of ~~Inner Loads~~ (~~Occupancy Schedule~~) ==		== STEP six: Setting of inner loads (occupancy schedule) ==


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	For advanced users: Another option for getting inner loads is to load an own schedule for supported file types using [[Plus 2.X:Files/Measured Data\|Files/Measured Data.]]		For advanced users: Another option for getting inner loads is to load an own schedule for supported file types using [[Plus 2.X:Files/Measured Data\|Files/Measured Data.]]

	== STEP seven : Defining ~~Design~~ inner climate ~~Conditions~~ ==		== STEP seven : Defining design inner climate conditions ==


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	It is also possible to input values for “Relative Humidity” and “Max. CO2 Concentration”		It is also possible to input values for “Relative Humidity” and “Max. CO2 Concentration”

	== STEP nine : Other ~~Parameters~~ ==		== STEP nine : Other parameters ==


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	For advanced users: The modification of solar gains can be changed in this entry, as well. In terms, the factor of direct solar radiation to the inner air and the distribution of solar radiation on the inner surfaces can be altered. The “former factor” means the fraction of solar radiation that directly heats up the inner air; the higher the value, the more direct solar heating of inner air. The latter describes different energy gains by inner surfaces. This factor can be kept proportional to the surface areas or set user-defined. Further “Other Parameters” are initial conditions of temperature, CO2 concentration and relative humidity as well as an accuracy interval of the simulation. The lower the accuracy, the faster the calculation.		For advanced users: The modification of solar gains can be changed in this entry, as well. In terms, the factor of direct solar radiation to the inner air and the distribution of solar radiation on the inner surfaces can be altered. The “former factor” means the fraction of solar radiation that directly heats up the inner air; the higher the value, the more direct solar heating of inner air. The latter describes different energy gains by inner surfaces. This factor can be kept proportional to the surface areas or set user-defined. Further “Other Parameters” are initial conditions of temperature, CO2 concentration and relative humidity as well as an accuracy interval of the simulation. The lower the accuracy, the faster the calculation.

	== STEP eight: Description of attached ~~Zones~~ ==		== STEP eight: Description of attached zones ==


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	“3D objects” allows WUFI plus calculation of three dimensional thermal bridges under transient boundary conditions. In the folder “remaining Elements” surrounding of the building like trees etc. can be established.		“3D objects” allows WUFI plus calculation of three dimensional thermal bridges under transient boundary conditions. In the folder “remaining Elements” surrounding of the building like trees etc. can be established.

	== STEP eleven: Initiation of HVAC ~~Systems~~ ==		== STEP eleven: Initiation of HVAC systems ==


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	[[Bild:32_resultsduringcalc.png\|center\|frame\|Figure 22:Results during calculation]]<br>		[[Bild:32_resultsduringcalc.png\|center\|frame\|Figure 22:Results during calculation]]<br>

	== STEP thirteen: Analysis of the ~~Results~~ ==		== STEP thirteen: Analysis of the results ==

Krizzl am 28. November 2011 um 13:44 Uhr

2011-11-28T13:44:09Z

← Nächstältere Version		Version vom 28. November 2011, 15:44 Uhr
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	Click [[Plus 2.X:Visualized Components#Opaque components\|here]] for further information.		Click [[Plus 2.X:Visualized Components#Opaque components\|here]] for further information.

	~~Assinging~~ a [[Plus 2.X:Visualized Components#Transparent components\|window]] type to the windows from the database works similar, please choose “Uncoated double glazing” for your window.		Assiging a [[Plus 2.X:Visualized Components#Transparent components\|window]] type to the windows from the database works similar, please choose “Uncoated double glazing” for your window.

	Figure 11 illustrates the possibility of [[Plus 2.X:Visualized Components#Window Parameters\|changing specific window parameters]]. The U parameter is the heat transfer coefficient. The frame factor enables description of opaque surfaces of the window. In effect, heat gains by solar radiation depend on the angle of incidence. In order to simulate this, the Solar Heat Gain Coefficient (SHGC) can be used. It can be set in general and with reference to the changing incident angle of solar radiation. There are appropriate predefined values, however they can be adjusted. The Emissivity of external surface is a value similar to the two previous items mentioned above. It expresses the amount of emitted radiation from the outer surface.		Figure 11 illustrates the possibility of [[Plus 2.X:Visualized Components#Window Parameters\|changing specific window parameters]]. The U parameter is the heat transfer coefficient. The frame factor enables description of opaque surfaces of the window. In effect, heat gains by solar radiation depend on the angle of incidence. In order to simulate this, the Solar Heat Gain Coefficient (SHGC) can be used. It can be set in general and with reference to the changing incident angle of solar radiation. There are appropriate predefined values, however they can be adjusted. The Emissivity of external surface is a value similar to the two previous items mentioned above. It expresses the amount of emitted radiation from the outer surface.

← Nächstältere Version		Version vom 27. März 2012, 16:46 Uhr
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	For advanced users: It is also possible to define own climate conditions or to [[Plus 2.X:Files/Measured Data\|import own climate files]].		For advanced users: It is also possible to define own climate conditions or to [[Plus 2.X:Files/Measured Data\|import own climate files]].

	As long as your building does not float in the air, for whatever reason, it is necessary to define at least one additional climate to give reasonable boundary conditions for the inert behavior of soil. This can be done using the “[[Plus 2.X:Dialog_Climate#Optional Climate\|Optional Climates]]” tab. For the soil temperature it is accurate to select a sine curve that has its peak at about two months later than summer solstice, i.e. at the end of August / in early September in the northern hemisphere. Depending on local conditions, the amplitude of the sine curve can be modified due to the annual fluctuation of the temperature curves. This fluctuation is the difference of the mean maximum temperature of soil in warm seasons and the mean minimum temperature of soil in cold seasons. For continental climates like Siberia this amplitude may be high (high temperatures in summer, very cool winter), for maritime climate systems it is rather low. Furthermore, the mean temperature must be set. This can be approximated using the annual average air temperature. In this example we assume the climate of Holzkirchen, the ~~WUFI’s~~ origin with moderate continental climate. How this can be entered in ~~WUFI®Plus~~ can be seen in Figure 4 on the next page.		As long as your building does not float in the air, for whatever reason, it is necessary to define at least one additional climate to give reasonable boundary conditions for the inert behavior of soil. This can be done using the “[[Plus 2.X:Dialog_Climate#Optional Climate\|Optional Climates]]” tab. For the soil temperature it is accurate to select a sine curve that has its peak at about two months later than summer solstice, i.e. at the end of August / in early September in the northern hemisphere. Depending on local conditions, the amplitude of the sine curve can be modified due to the annual fluctuation of the temperature curves. This fluctuation is the difference of the mean maximum temperature of soil in warm seasons and the mean minimum temperature of soil in cold seasons. For continental climates like Siberia this amplitude may be high (high temperatures in summer, very cool winter), for maritime climate systems it is rather low. Furthermore, the mean temperature must be set. This can be approximated using the annual average air temperature. In this example we assume the climate of Holzkirchen, the WUFI®’s origin with moderate continental climate. How this can be entered in WUFI®plus can be seen in Figure 4 on the next page.

	[[Bild:14_soilclimate.png\|center\|frame\|Figure 4:Setting of an optional climate]]<br>		[[Bild:14_soilclimate.png\|center\|frame\|Figure 4:Setting of an optional climate]]<br>

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	Primarily, a [[Plus 2.X:Visualized Components\|component]] is a surface of the building. It may be the roof, the base plate or vertical walls. As the composition of our vertical walls is mostly the same, those can be summarized as one component. This is predefined in WUFI®Plus.		Primarily, a [[Plus 2.X:Visualized Components\|component]] is a surface of the building. It may be the roof, the base plate or vertical walls. As the composition of our vertical walls is mostly the same, those can be summarized as one component. This is predefined in WUFI®Plus.
	To change this, click on the aimed component in the [[Plus 2.X:Visualization Box\|Visualization Box]]. ~~Afterward~~, right click on this component, choose “Ungroup” and follow the instructions in accordance with your aimed modification. The “General” tab outlines basic data of a component and enables titling of components. ~~Especially~~ in case of numerous components~~, this is important to evaluate~~ results.		To change this, click on the aimed component in the [[Plus 2.X:Visualization Box\|Visualization Box]]. Afterwards, right click on this component, choose “Ungroup” and follow the instructions in accordance with your aimed modification. The “General” tab outlines basic data of a component and enables titling of components. This is especially important in case of numerous components for evaluating results.

	We start with Component 1, the Bottom Plate according to the steps shown in Figure 7. Choose the component you want to edit in the Project Explorer [1], next assemblies can be allocated to a component in the “[[Plus 2.X:Visualized Components#Opaque components\|Assembly]]” tab [2]. The Project construction list [3] shows all constructions used in a project. The highlighted one is applied to the respective component. As no constructions were assigned so far, the list is empty for one plain construction, which must be chosen. As there is no predefined geometry for the bottom plate, you have to define one, this is done by clicking the “Edit” button [4] which opens the “Edit Assembly” window [5]		We start with Component 1 the Bottom Plate according to the steps shown in Figure 7. Choose the component you want to edit in the Project Explorer [1], next assemblies can be allocated to a component in the “[[Plus 2.X:Visualized Components#Opaque components\|Assembly]]” tab [2]. The Project construction list [3] shows all constructions used in a project. The highlighted one is applied to the respective component. As no constructions were assigned so far, the list is empty for one plain construction, which must be chosen. As there is no predefined geometry for the bottom plate, you have to define one, this is done by clicking the “Edit” button [4] which opens the “Edit Assembly” window [5]

	[[Bild:17_component12.png\|center\|frame\|Figure 7:Editing an assembly]]<br>		[[Bild:17_component12.png\|center\|frame\|Figure 7:Editing an assembly]]<br>

← Nächstältere Version		Version vom 28. November 2011, 15:44 Uhr
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	Click [[Plus 2.X:Visualized Components#Opaque components\|here]] for further information.		Click [[Plus 2.X:Visualized Components#Opaque components\|here]] for further information.

	~~Assinging~~ a [[Plus 2.X:Visualized Components#Transparent components\|window]] type to the windows from the database works similar, please choose “Uncoated double glazing” for your window.		Assiging a [[Plus 2.X:Visualized Components#Transparent components\|window]] type to the windows from the database works similar, please choose “Uncoated double glazing” for your window.

	Figure 11 illustrates the possibility of [[Plus 2.X:Visualized Components#Window Parameters\|changing specific window parameters]]. The U parameter is the heat transfer coefficient. The frame factor enables description of opaque surfaces of the window. In effect, heat gains by solar radiation depend on the angle of incidence. In order to simulate this, the Solar Heat Gain Coefficient (SHGC) can be used. It can be set in general and with reference to the changing incident angle of solar radiation. There are appropriate predefined values, however they can be adjusted. The Emissivity of external surface is a value similar to the two previous items mentioned above. It expresses the amount of emitted radiation from the outer surface.		Figure 11 illustrates the possibility of [[Plus 2.X:Visualized Components#Window Parameters\|changing specific window parameters]]. The U parameter is the heat transfer coefficient. The frame factor enables description of opaque surfaces of the window. In effect, heat gains by solar radiation depend on the angle of incidence. In order to simulate this, the Solar Heat Gain Coefficient (SHGC) can be used. It can be set in general and with reference to the changing incident angle of solar radiation. There are appropriate predefined values, however they can be adjusted. The Emissivity of external surface is a value similar to the two previous items mentioned above. It expresses the amount of emitted radiation from the outer surface.