Overset meshes simulation workflow in OpenFOAM

😁 Overset meshes in OpenFOAM

This workflow is generic an apply to any CFD solver with overset meshes capabilities.

Step 1 – Generate and merge component meshes
Done by the user

Step 2 – Define overset patches
Done by the user

Step 3 – Assign zones (grid priorities)
Done by the user

Step 4 – Set numerics for overset meshes (overset interpolation, interpolation type, corrections, and so on)
Done by the user

Step 5 – Compute stencils and assign cell type
Done by the solver

Step 6 – Compute and interpolate solution
Done by the solver

Step 7 – Postprocessing (which is more tedious that working with single meshes)
Done by the user

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[locorocozhong]

Do you happen to have results on how much extra computation burden this overset mesh demands? I heard that using overset mesh is significantly slower