Quote:

Originally Posted by

**zhajingjing**
Hi,

I use mesh motion solver for a moving boundary, and it takes a lot of time to move the whole mesh, if setting the part of mesh just near the moving boundary to move can be realized(that means just solve mesh equation in a region near the moving boundary), then I can save much time to run the case.

So how to let the mesh motion solver just solve a small region near a moving boundary? Can someone give me a hint?

Thanks!

Jingjing

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