Heat Flux dialog box (ANSYS)

Type
Type	Controls how you define the heat flux.Nodal/Nodal – Spatial: Lets you define a heat flux on selected nodes. Select Nodal – Spatial to define the magnitude of the flux by mapping a field directly to a global or local coordinate system.Elemental/Elemental – Spatial: Lets you define a heat flux on selected 1D (FLUID116), 2D, and 3D elements. Select Elemental – Spatial to define the magnitude of the flux by mapping a field directly to a global or local coordinate system.Element Face/Element Face – Spatial: Lets you apply a heat flux to the faces of selected 2D and 3D elements. Select Element Face – Spatial to define the magnitude of the flux by mapping a field directly to a global or local coordinate system.Note: Spatial boundary conditions are best when you want to use externally generated results or other data to define the load.For more information, see SF and SFE in the ANSYS Commands Reference.
Destination Folder
Load 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.
Model Objects
Group Reference	Lets you apply the heat flux load to a group.For more information, see Group Reference options.
Select Object	Lets you select the geometry or FE entities on which the load will be applied. Use the Excluded options to remove individual entities, such as nodes or elements, from your selection.
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.
Magnitude
Heat Flux	Specifies the magnitude of the heat flux load. For more information, see Additional magnitude options.
Distribution
Appears when Type is set to any non-spatial heat flux load.
Method	Defines how the heat flux load is distributed over the selected objects.Constant: Applies the magnitude of the heat flux as a constant value.Spatial: Lets you use a field to map the distribution of the heat flux load to the elements or nodes. If you select Spatial, use the Spatial Field options in the Distribution Field group to specify or define the field to use.
SURF151 or SURF152
Appears when Type is set to Element Face or Nodal.
Automatic Creation of Surface Effect Elements	Controls how the software applies the heat flux.Select the Automatic Creation of Surface Effect Elements check box if you want to apply the heat flux to surface effect elements instead of directly to the model’s structural elements. If you select this option, the software automatically creates either SURF151 or SURF152 elements in your ANSYS input file when you export or solve your model.Clear the Automatic Creation of Surface Effect Elements check box if you want to apply the heat flux directly to the structural elements.
Keyopts	Lets you specify the appropriate SURF151 ET or SURF152 ET modeling object.
Real Constants	Lets you specify the appropriate SURF151 Real Constants or SURF152 Real Constants modeling object.
FLUID116
Connect to FLUID116 Elements	Select this option to transfer the heat flux between the SURF151 or SURF152 elements and FLUID116 (fluid network elements).
Group of Nodes from FLUID116	Lets you select or create a group that contains the nodes on the FLUID116 elements that you want to connect to the SURF151 or SURF152 elements.
Card Name	Displays the name of the corresponding ANSYS command.

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Define a heat flux load

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Heat Flux dialog box (ANSYS), Simcenter 3D 2021.1 Series

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