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Command reference help topics

Thermal Coupling dialog box

Use this dialog box to set options for the Thermal Coupling simulation object for the Simcenter 3D Thermal/Flow, Space Systems Thermal, Electronic Systems Cooling, and Multiphysics solvers.

Type
Thermal Coupling Models a thermal coupling of a specified type between each primary region and each secondary region. For more information, see Thermal Coupling options.
Perfect Contact Performs element merging based on proximity to create an “infinite” conductance between each of the primary elements and the nearest of the secondary elements. Use only when the meshes are nearly aligned, or where the in-plane temperature gradients are insignificant. For more information, see Perfect Contact options.
Additional Conductance Models free convective couplings computed using standard correlations for free convection from regular objects. For more information, see Additional Conductance options.
How do I

Create a thermal coupling

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Thermal Coupling

Specifying a Coupling Resolution

Using the Only Connect Overlapping Elements option

Using the Overlap Projection Direction option

Thermal Coupling magnitude types

Temperature dependency for thermal and electrical couplings

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

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Thermal Coupling dialog box, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id632286 · retrieved 2026-07-17