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Dynamic mesh
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hey guys,
i have simple square geometry with inlet, outlet and top_wall and bot_wall. i want to simply move the the top_wall and as you can see in the picture, i have already done that by a DEFINE_GRID_MOTION udf. the problem is that the meshes on the boundary (outlet) doesn't move (i mean the nodes of meshes on boundaries don't move) and the mesh skewness near that boundary becomes so high which is not good. do you know how can i fix this? should i write another udf for remeshing the boundary (outlet) in every time step? |
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