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FLUENT - ICEM / Segmentation Violation Error (Hybrid Mesh)

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Old   May 15, 2012, 08:05
Default FLUENT - ICEM / Segmentation Violation Error (Hybrid Mesh)
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Joachim
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Hello everyone!

Once again, it seems that I need some help...
I have created an hybrid mesh (tetra+hexa) on a simple geometry, but Fluent can't load it! (Segmentation Violation error)

I have read many threads on the subject, and finally learned how to build an hybrid mesh. Yet, it seems that I am still missing something.

In order to create my mesh, I tried two different methods:

Method A:
1. I create the unstructured mesh
2. I create the structured mesh, and convert it to unstructured (-> merge)
3. I merge the two meshes

Method B:
1. I create the structured mesh, and convert it to unstructured mesh
2. I create a surface mesh (All tri) at the interface, based on the structured grid
3. I create the unstructured mesh based on this surface mesh.

Both methods give me a final mesh which looks ok, but which can't be opened with Fluent. What did I do wrong?? Which method is the best?
Thank you very much for your help!

Regards,

Joachim
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Old   March 22, 2013, 10:16
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Paritosh Vasava
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May be you have standalone edge or vertices in your mesh.
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Old   March 24, 2013, 08:35
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Stuart Buckingham
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Joachim, have you done a mesh check? Just using the default checks should uncover your problem.


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