boundary adaption with geometry based adaption -- CFD Online Discussion Forums

October 9, 2005, 10:44	boundary adaption with geometry based adaption	#1
Kate Guest Posts: n/a	Hello, 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? Thanks, Kate

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