ANSYS ICEM CFD smoothing mesh corner chamfered

January 17, 2006, 16:36

Newbie in ANSYS ICEM CFD, I've been experiencing some problems while trying to perform meshing for a wind tunnel type application, when generating tetra volume mesh with "smooth mesh" turned on under VOLUME MESHING, the resultant 8 corners of the tunnel are chamfered (corners are Rounded Off).

This is causing me problem trying solve using CFX as it points out error with the symmetry plane not being a flat plane. Is there a solution to this?

January 18, 2006, 03:15

Why not using hex mesh? Typical wind tunnel should be quite easy to mesh with hex. It saves you times trying to repair your geometry just to fit the requirement of the tet mesh generator!

January 18, 2006, 14:12

I have the same problem too. Can someone help ? Thank you.

-E

January 18, 2006, 15:16

Thank you for those who responsed to my thread, I have solved the problem by creating "Points" (Under geometry setup) to the 8 corners of the tunnel. After i created the "points" the meshes at the corners are no longer chamfered.

January 26, 2006, 17:00

use "Build Topology" under the geometry repair icon before you generate the mesh.

January 17, 2006, 16:36	ANSYS ICEM CFD smoothing mesh corner chamfered	#1
Hans Guest Posts: n/a	Newbie in ANSYS ICEM CFD, I've been experiencing some problems while trying to perform meshing for a wind tunnel type application, when generating tetra volume mesh with "smooth mesh" turned on under VOLUME MESHING, the resultant 8 corners of the tunnel are chamfered (corners are Rounded Off). This is causing me problem trying solve using CFX as it points out error with the symmetry plane not being a flat plane. Is there a solution to this?

January 18, 2006, 03:15	Re: ANSYS ICEM CFD smoothing mesh corner chamfered	#2
TB Guest Posts: n/a	Why not using hex mesh? Typical wind tunnel should be quite easy to mesh with hex. It saves you times trying to repair your geometry just to fit the requirement of the tet mesh generator!

January 18, 2006, 14:12	Re: ANSYS ICEM CFD smoothing mesh corner chamfered	#3
ingear Guest Posts: n/a	I have the same problem too. Can someone help ? Thank you. -E

January 18, 2006, 15:16	Re: ANSYS ICEM CFD smoothing mesh corner chamfered	#4
Hans Guest Posts: n/a	Thank you for those who responsed to my thread, I have solved the problem by creating "Points" (Under geometry setup) to the 8 corners of the tunnel. After i created the "points" the meshes at the corners are no longer chamfered.

January 26, 2006, 17:00	Re: ANSYS ICEM CFD smoothing mesh corner chamfered	#5
M Guest Posts: n/a	use "Build Topology" under the geometry repair icon before you generate the mesh.

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