[Gmsh] bug - meshing multiple volumes
David Colignon
David.Colignon at ulg.ac.be
Fri Aug 8 10:15:30 CEST 2008
Hi Samuel,
can you try with the other 3D meshing algorithm, Netgen ( Tools->Options->Mesh->General->3D algorithm->Netgen ) ?
And if it's still crashing, can you send us your CAD geometry ?
Cheers,
Dave
--
David Colignon, Ph.D.
Collaborateur Logistique du F.R.S.-FNRS (Équipements de Calcul Intensif)
ACE - Applied & Computational Electromagnetics
Institut Montefiore B28
Université de Liège
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Samuel Vogel wrote:
> Hello,
>
> I've imported a CAD geometry (same problem with IGES and STEP). The file
> is an assembly of two parts. When I open it in gmsh everything works
> fine. gmsh shows two volumes and when I am doing the surface mesh (2D) I
> get a perfect mesh. The contact surface of the two volumes is meshed as
> well, that is exactly what I want. But when I try to do volume meshing
> gmsh crashes. In the Linux version without a message. In the windows
> version with the following message:
>
>
> Microsoft Visual C++ Runtime Library
>
> Assertion Failed!
>
> Program C:\Program Files (X86)\gmsh\gmsh.exe
> File: tetgen.cxx
> Line: 22506
>
> Expression: matchflag == true
>
> ...
>
>
> The error occurs with all tested assembly files that consinst of
> multiple volumes. Perhaps someone can help!
>
> The goal is to mesh a assembly consisting of two parts. And the contact
> surface of the volumes should be meshed as surface. Like gmsh does in
> the surface meshing step described above. But the 3D meshing crashes.
>
>
> Thanks a lot,
>
>
> Sammy
>
>
>
>
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