Hello, I have run into a problem when trying to import a mesh with the function dolfinx.io.gmshio.model_to_mesh. I obtain the following error: malloc(): mismatching next->prev_size (unsorted) I was using a similar mesh up to now without any problems. I also output the mesh to a file and check i…

Looking at your mesh generation script, you have not added any physical groups for the volume of your mesh. You have to do this to be able to read it from gmsh. You can see this by opening your mesh file, Tools->Visibility and look at physical groups. There are only surfaces there.

A malloc() mismatch error when importing a GMSH mesh

Errors

dokken July 7, 2023, 7:54pm 2

I would not synchronize after adding the physical tags (Im not at a computer, so i cannot test it).

Facing malloc(): mismatching next->prev_size (unsorted) Aborted error while importing mesh file

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A malloc() mismatch error when importing a GMSH mesh

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