Duct Node 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 select a group for the convecting region.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.Note: 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 Duct Nodes
Group Reference	Lets you select a group for the fluid duct nodes.For more information, see Group Reference options.
Select Object	Lets you select nodes, mesh points, or points on the fluid duct.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.
Magnitude
Heat Transfer Coefficient	Sets a value for the heat transfer coefficient.For more information, see Additional magnitude options.
Additional Parameters
Coupling Resolution	Specifies the accuracy of the coupling. The software subdivides primary elements according to the Coupling Resolution specification 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.A finer subdivision level does not necessarily produce more accurate results.

How do I

Create a Thermal Coupling — Convection

Define a convection coupling between duct nodes and solid faces

Learn more

Thermal Coupling — Convection types

Across gap coupling convection correlations

Duct Convection Correction modeling object

Inputs to expressions

Free convection correlations

Forced convection correlations

Specifying a Coupling Resolution

Using the Only Connect Overlapping Elements option

Using the Overlap Projection Direction option

Look up more details

Auto-generated expressions

Thermal Coupling — Convection dialog box

Quick links

Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal boundary conditions

Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal

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Duct Node Convection Coupling options, Simcenter 3D 2021.1 Series

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