Boundary conditions > Simulation objects > Simcenter 3D Thermal/Flow, Electronic Systems Cooling, and Space Systems Thermal simulation objects
Disjoint Fluid Mesh Pairing
Use the Disjoint Fluid Mesh Pairing simulation object to connect disjoint body-fitted fluid meshes when solving models with the parallel flow solver. You can manually specify pairs of faces as contact pairs, or you can allow the software to automatically identify faces of separate polygon bodies that are in contact with each other.
Fluid can flow between polygon bodies that have one or more coplanar face pairs where the nodes and elements of the associated body-fitted fluid meshes are not coincident.
Where do I find it?
| Application | Pre/Post |
|---|---|
| Prerequisite | Parallel flow solver |
| Command Finder | Disjoint Fluid Mesh Pairing |
| Simulation Navigator | Right-click the Simulation Object Container node→New Simulation Object→Disjoint Fluid Mesh Pairing |
How do I
Create disjoint fluid mesh pairings
Learn more
Inputs to expressions
Automatic face pairing
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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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Disjoint Fluid Mesh Pairing, Simcenter 3D 2021.1 Series
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid630067 · retrieved 2026-07-17