ICEM Prism mesh assertion?

March 5, 2006, 09:13

Hi all! Has anyone here tried to do prisms in ICEM CFD 10.0.1 with a surface that has mixed quads and triangles? It seems no matter what I do (tried different hybrid mesh types, blocking, running prisms before/after volumes) I get a crash in the prism mesher after Initializing Heights:

Assertion failed: fc->ops[2] == v3, file compute_marching_dir.C, line 237

I've been through my geometry with a fine tooth comb, all curves and surfaces match perfectly, all normals are OK, etc. As long as I stay tri only I can run the prisms fine, but not with quads

/C

March 5, 2006, 11:24

Have you tried put prisms on quads and triangles separately and merge them together?

March 5, 2006, 11:51

Interesting suggestion ;-). But how? I go "Select Parts for Prism Layer". If a part has a mixed quad/tri surface mesh, I don't see where I can select only one element type?

March 5, 2006, 09:13	ICEM Prism mesh assertion?	#1
Chebeba Guest Posts: n/a	Hi all! Has anyone here tried to do prisms in ICEM CFD 10.0.1 with a surface that has mixed quads and triangles? It seems no matter what I do (tried different hybrid mesh types, blocking, running prisms before/after volumes) I get a crash in the prism mesher after Initializing Heights: Assertion failed: fc->ops[2] == v3, file compute_marching_dir.C, line 237 I've been through my geometry with a fine tooth comb, all curves and surfaces match perfectly, all normals are OK, etc. As long as I stay tri only I can run the prisms fine, but not with quads /C

March 5, 2006, 11:24	Re: ICEM Prism mesh assertion?	#2
longbow Guest Posts: n/a	Have you tried put prisms on quads and triangles separately and merge them together?

March 5, 2006, 11:51	Re: ICEM Prism mesh assertion?	#3
Chebeba Guest Posts: n/a	Interesting suggestion ;-). But how? I go "Select Parts for Prism Layer". If a part has a mixed quad/tri surface mesh, I don't see where I can select only one element type?

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