Simple Radiation to Environment dialog box (Thermal/SST/ESC/Multiphysics)

Option	Description
Name	Specify a meaningful name for the constraint
Description	Specify a description for the constraint.
Destination Folder
Constraint Container	Specifies the folder in the Simulation Navigator in which the boundary condition will be stored. The list includes the root container and existing folders that you created using the New Folder command. Examples of a root container include Load Container, Constraint Container, and Simulation Object Container.
Folder Manager	Displays a hierarchical listing of existing folders. To create a new folder, right-click any level of the hierarchy and choose New Folder.
Region
Group Reference	Lets you apply the constraint to a group.For more information, see Group Reference options.
Select Object	Lets you select the geometry or elements that radiate.Element Selection Filtering lets you limit your element selection to the FE entity you select from the Filter Type list:0D Elements, 1D Elements, or 2D Elements lets you select only elements of that order.Element Edges lets you select 1D elements, the edges of 2D, or 3D elements.Element Faces lets you select 2D elements or the faces of 3D elements.Caution: You must select Element from the main selection Type Filter list to use the Element Selection Filtering options.Excluded lets you remove individual entities from within your selected object.
Stacked Smart Selector Methods	Opens the Smart Selector Methods dialog box where you can specify a progression of smart selection filters.For more information, see Smart Selector Methods dialog box.
Parameters
Type	Specifies how the effective emissivity value is defined.GBVFSpecifies the gray body view factor and uses the emissivity defined in the Thermo-Optical Properties modeling object. You specify the gray body view factor in the Gray Body View Factor box.Note: With this option, if you select 2D elements, the solver always uses the specified top side emissivity value. If you want to create Simple Radiation to Environment on the bottom side and are unable to change the top side emissivity because another radiation object is using the same mesh, use the Emissivity and GBVF option instead.Emissivity and GBVFSpecifies the gray body view factor and the emissivity value for the selected elements. You specify the emissivity in the Emissivity box and the gray body view factor in the Gray Body View Factor box.Effective EmissivitySpecifies the effective emissivity value for the selected elements. Specify the effective emissivity in the Effective Emissivity box. For more information, see Additional magnitude options.
Environment
Temperature	Lets you define the temperature of the surrounding environment.Fluid AmbientUses the Fluid Temperature value specified in the Ambient Conditions page in the Solution dialog box.Radiative AmbientUses the Radiative Environment Temperature value specified in the Ambient Conditions page in the Solution dialog box.SpecifyUses the value that you specify in the Temperature Value box. See Additional magnitude options.

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Create a Simple Radiation to Environment constraint

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Simple Radiation to Environment dialog box (Thermal/SST/ESC/Multiphysics) , Simcenter 3D 2021.1 Series

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