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Dynamic Mesh and Sliding Mesh Simultaneously

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Old   May 3, 2015, 17:51
Default Dynamic Mesh and Sliding Mesh Simultaneously
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Nady Kheirallah
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Hello everyone. I am working on a simulation where I am using sliding and dynamic mesh zones. However I am facing problems with the dynamic mesh. The mesh is getting distorted. I checked my UDF by exporting the coordinates of the nodes and plotting them on excel. They seem alright. Do you think I should let go of the sliding mesh and include its motion in the dynamic mesh UDF??
Thank you
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Old   May 7, 2015, 03:35
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Paritosh Vasava
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Can you post a picture or a diagram of your case? Also post the details of dynamic mesh setup for your case.
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Old   May 9, 2015, 15:26
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Nady Kheirallah
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For the dynamic mesh, I am using the following settings:
-User Defined Grid Motion
-Remeshing with local cell, local face and region face enabled using the following criteria:
*Minimum Length scale 0.001m
*Maximum Length scale 0.4m
*Max. cell skewness 0.5
*Max. Face Skewness 0.5
*Size remeshing interval 1

I have attached pictures of the mesh where negative cells are forming.

Thank you,
Attached Images
File Type: jpg Mesh-warped-closeup.jpg (66.2 KB, 9 views)
File Type: jpg Mesh-warped.jpg (52.5 KB, 9 views)
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