Forced Convection Coupling options

Name
Name	Lets you specify a name for the simulation object.Description opens an editor that lets you type a description for the constraint.
Destination Folder
Simulation Object 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.
Convecting Region
Group Reference	Lets you apply the convective region to a group.For more information, see Group Reference options.
Select Object	Lets you select the convective set of elements.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.
Fluid Ducts
Group Reference	Lets you apply the fluid ducts to a group.For more information, see Group Reference options.
Select Object	Lets you select the fluid duct set of elements.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 the type of forced convection coupling between the convecting region and the fluid ducts.Duct Developing FlowModels convective heat transfer between the fluid in a duct network and the walls of the duct. The solver computes forced convective couplings using standard correlations for forced convection in a 1D flow system with a developing boundary layer.Duct Fully Developed FlowModels convective heat transfer between the fluid in a duct network and the walls of the duct. The solver computes forced convective couplings using standard correlations for forced convection in a 1D flow system with a fully developed boundary layer. Flat Plate in a Free StreamModels convective heat transfer between the fluid in a duct network and a plate in a free stream of fluid.For more information, see Forced convection correlations.
Multiplier	Sets a value for the multiplier to adjust the correlation for features such as cooling fins or other factors affecting convection.For more information, see Additional magnitude options.
Coupling Resolution	Specifies the accuracy of the coupling. The software subdivides primary elements according to the Coupling Resolution before it determines conductances. One to OneCalculates a single conductance from each primary element to the nearest secondary element.Coarse through FinestSubdivides each primary element into a progressively larger number of sub-elements.Although it may seem that the finer subdivision level would produce more accurate results, this is not always the case.
Only Connect Overlapping Elements	Connects only overlapping elements between the convecting region and the fluid ducts.If you clear this check box, the thermal solver connects each convecting region sub-element to the closest fluid duct element.
Overlap Projection Direction	Appears when Only Connect Overlapping Elements is selected.Specifies whether the thermal solver uses the normal of the primary or secondary elements to calculate the area of overlap.Primary element with subdivisionSecondary elementElement normalOverlapping areaPrimary Elements NormalsUses the element normal from the convecting region to find overlapping elements (1).Secondary Elements NormalsUses the element normal from the fluid ducts to find overlapping elements (2).Note: The overlapping area is always computed from the convecting region.				Primary element with subdivision		Secondary element		Element normal		Overlapping area
			Primary element with subdivision
	Secondary element
	Element normal
	Overlapping area

How do I

Create a Thermal Coupling — Convection

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Thermal Coupling — Convection

Specifying a Coupling Resolution

Using the Only Connect Overlapping Elements option

Using the Overlap Projection Direction option

Thermal Coupling — Convection types

Forced convection correlations

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Convection Coupling options

Free Convection Coupling options

Across Gap Convection Coupling options

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Forced Convection Coupling options, Simcenter 3D 2021.1 Series

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