[ICEM] Negative determinant 3x3x3 while meshing propeller blade -- CFD Online Discussion Forums

August 12, 2022, 18:16	[ICEM] Negative determinant 3x3x3 while meshing propeller blade	#1
thoma5 New Member Thomas Join Date: Nov 2021 Posts: 2 Rep Power: 0	Dear all, I have been trying to mesh the propeller blade with periodic boundaries in ICEM. The problems are that I get around 6k elements with negative Determinant 3x3x3, and 1k of elements with angles lower than 9 deg, as the figures showed. To fix those issues, I only know we can edit the edge and split it with the "spline" or "control point" method to increase the angle. I wonder if someone can tell me how to improve Determinant 3x3x3. Thomas DET.jpg ANG.jpg

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