[mesh manipulation] refineMesh problem with erroneous grid -- CFD Online Discussion Forums

July 9, 2019, 05:06	refineMesh problem with erroneous grid	#1
quarkz Senior Member TWB Join Date: Mar 2009 Posts: 400 Rep Power: 19	Hi, I tried to use refineMesh for a 2D structured grid: refineMesh -overwrite to refine in all directions (x,y) The grid size increases from 48000 to 192000. I tried to inspect the grid. Each cell is divided into 4 cells in most cases, which is correct. However, some cells divide into strange shape, as shown attached. Why is this so? Black is the org, blue is the new mesh. So how can I correct it? Thanks!

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