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Star-CCM+

Introduction to Overset Mesh in Simcenter STAR-CCM+

November 27, 2021

The overset mesh method is a powerful tool for simulating motion within a CFD analysis, and can also be used for design optimization.

 

This method relies on defining multiple overlapping meshes, where the overset meshes “cut-out” bodies in the back ground mesh. For transient simulations, this technique can be used to model prescribed motion of a body or model free body interaction with the surrounding domain.

In this brief STAR-CCM+ video presentation, Clay Hearn, PhD, Senior Staff Mechanical Engineer at Applied Cax, introduces the techniques for setting up an overset mesh, provide a high level discussion of the theory behind the overset mesh, and show a couple examples of simulations with an overset mesh.

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