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boundary adaption with geometry based adaption

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Old   October 9, 2005, 10:44
Default boundary adaption with geometry based adaption
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I have a 3d tet mesh and I would like to refine the cells around the wall using boundary adaption with the geometry based adaption pushing the nodes towards those of a fine surface mesh. When I try this I can adapt (refine) once but if I try to refine further I get non-positive volumes. I've tried setting the minimum cell volume to a positive number and that doesn't help. Is there a way to stop it producing these non-positive volumes?


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