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