[Gmsh] Gmsh fails to create a volume mesh around an STL surface mesh

David Colignon David.Colignon at ulg.ac.be
Fri Aug 7 09:38:13 CEST 2009


Hi Mike,

can you send us your files ?

Cheers,

Dave

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David Colignon, Ph.D.
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Mike B. wrote:
> Dear All,
> 
> I have a surface mesh saved as and STL file (similar to 
> `sphere-surf.stl' from `demos/sphere-discrete.geo').
> 
> I merge the STL file, define a cuboid around it and request a volume 
> mesh (`Mesh 3;'). Gmsh meshes the cuboid faces but fails to mesh the 
> volume, giving multiple error lines such as:
> Error: ERROR: Edge 190-191 multiple times in surface mesh
> 
> This problem is also mentioned in:
> http://article.gmane.org/gmane.comp.cad.gmsh.general/380/match=multiple+edges
> 
> This seems to be a problem with mesh algoritm. Any ideas how to solve this?.
> 
> Cheers and thanks,
> Mike.
> 
> 
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