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Search: Posts Made By: mattijs
Forum: Open Source Meshers: Gmsh, Netgen, CGNS, ... February 23, 2006, 15:15
Replies: 32
Views: 12,659
Posted By mattijs
1) I don't see any failed mesh

1) I don't see any failed mesh checks. Counting must be off by one.

Your mesh has two non-fatal problems:
Mesh non-orthogonality Max: 88.6111
Large face skewness detected. Max skewness =...
Forum: Open Source Meshers: Gmsh, Netgen, CGNS, ... February 23, 2006, 05:23
Replies: 32
Views: 12,659
Posted By mattijs
After netgenNeutralToFoam alwa

After netgenNeutralToFoam always run checkMesh on your case. It will tell you if there are any problems (Errors) with the mesh.

To get experience with meshing you could e.g. try recreating a...
Forum: Open Source Meshers: Gmsh, Netgen, CGNS, ... December 8, 2005, 04:14
Replies: 32
Views: 12,659
Posted By mattijs
It seems netgen cannot produce

It seems netgen cannot produce hexes, only tets (volume elements)

It can produce a quad surface mesh though by merging triangles. (but then what do you do with that? You could possibly write...
Forum: Open Source Meshers: Gmsh, Netgen, CGNS, ... December 6, 2005, 13:13
Replies: 32
Views: 12,659
Posted By mattijs
extrudeMesh is quite new so no

extrudeMesh is quite new so not yet very polished.

It can extrude a surface where the surface
A] either is a patch from another case
B] or is read in from a file

If you run it in A]...
Forum: Open Source Meshers: Gmsh, Netgen, CGNS, ... December 6, 2005, 04:33
Replies: 32
Views: 12,659
Posted By mattijs
Not yet supported. Didn't know

Not yet supported. Didn't know netgen could do hexes. If you send me small (< 10 cells) case with hexes I'll have a look.

- second order tets/hexes and surface elements are not supported.
Forum: Open Source Meshers: Gmsh, Netgen, CGNS, ... May 6, 2005, 17:17
Replies: 32
Views: 12,659
Posted By mattijs
Hi Pei, about the glueing t

Hi Pei,

about the glueing tets together into 'better' elements: I am looking at a very interesting paper "Generating a mixed Mesh of hexahedra, pentahedra and tetrahedra from an underlying...
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