[Gmsh] 3D meshing stops with

Zenker, Dr. Matthias Matthias.Zenker at erbe-med.com
Thu Jun 27 17:08:42 CEST 2013


Hi Farsid,

if you merge the intersect.pos file into your 2D mesh, you see where the intersections are. I would guess that you have duplicated lines which are not meshed conformally by gmsh.

HTH,

Matthias

> -----Ursprüngliche Nachricht-----
> Von: Farshid Zamiri [mailto:farshid.zamiri at epfl.ch]
> Gesendet: Donnerstag, 27. Juni 2013 14:29
> An: gmsh at geuz.org
> Betreff: [Gmsh] 3D meshing stops with
>
> Hello,
>
> I have imported a relatively complex model of a tubular joint with the weld
> lines included (each weld line is comprised of 3 welding passes) from a STEP
> file. The 2D surface mesh performs normally and seems fine, but the 3D
> mesh fails with the "self intersecting surface mesh" error. Switching
> "Geometry.OCCSewFaces" and "Geometry.AutoCoherence" parameters to 1
> in order to remove repetitive entities (if existing), does NOt help. I can't
> figure out what is wrong with my Geometry or settings.
>
> Thank you for any help.
>
> Kind regards,
>
> Farshid
>
> --
> Farshid Zamiri
> PhD student
>
> Ecole polytechnique fédérale de Lausanne EPFL Laboratoire de la
> construction métallique ICOM
> Office: GC B3 474
> Phone:  (+41) 021 693 24 34
> Fax:      (+41) 021 693 28 68
> EPFL ICOM
> Station 18
> CH-1015 Lausanne



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