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  • #20535

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Created Mar 05, 2021 by Stefan Jakobsson@stefan.b.a.jakobsson

Incorrect visualization of large hex meshes

For large hex meshes I have had several cases with incorrect visualization. This is exemplified in the screenshot below. The upper left subfigure shows the whole mesh (which should be if cubical shape) where we have some irregularities in one of the upper corners. The upper right subfigure shows a view created with the threshold filter where I have extracted 12 rods from the mesh. Here we have many spikes which should not be there. In the lower right subfigure I have extracted the rods myself from the same .xmf and .h5 file but outside paraview, written an new .xmf and .h5 file and imported this into paraview. Now all spikes are gone. pv3The mesh has around 11 million cells and 20 million points. For smaller meshes I have not had this problem. I suspect that there are some internal overflow errors causing this problem.

Edited Mar 07, 2021 by Stefan Jakobsson
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