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Error in zero-gap overset mesh

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Old   May 25, 2021, 03:22
Default Error in zero-gap overset mesh
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Dear all,

I want to simulate two counter-rotating solid cylinders that have contact with each other at their circular base. I want to put each cylinder in an overset region and also I want to have a background region.

I added five prism layers around each cylinder. when I set the two cylinders as zero-gap overset meshes and I initialize the simulation, the mesh at the edge of the contact surfaces become strange [SEE THE PHOTO PLZ]
I would appreciate someone could help me with this problem.
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File Type: jpg two cylinder movig together - error in mesh.jpg (195.6 KB, 28 views)
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overset mesh, zero-gap

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