[Gmsh] Correct .geo file ... but self-intersections in surfaces for 3D mesh ?!?

David Colignon David.Colignon at ulg.ac.be
Fri Apr 17 08:59:42 CEST 2015


Hi,

at first sight, can you check your geometry (triangles) around points 2804 and 2667 ?

The lines 16488 and 100000063 are also crossing each other. Idem for lines 18341 and 100000064, and there are more of them.

Regards,

Dave

-- 
David Colignon, Ph.D.
1er Logisticien de Recherche
Université de Liège
ACE - Applied & Computational Electromagnetics
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Tél: +32 (0)4 366 37 32
http://www.ulg.ac.be/nic4

On 17/04/15 00:13, Sacconi, Andrea wrote:
> Hi GMSH users,
>
> I have a problem with a .geo file (which is attached). The geometry is composed of a parallelepiped without a cylinder. As you can see, the cylinder is represented by small triangular faces, since they are the results of finite element calculations, during which the cylinder moves in time.
> I can read the file without problem, but when I generate the 3D mesh, it keeps telling me that there are self-intersections in the surface mesh ... How come? All the surfaces are enumerated only once.
> Could someone have a look at my file? I would really appreciate it!
>
> Thanks in advance and congratulations for the amazing mesh generator :)
> Andrea
> __________________________________________________________
>
> Andrea Sacconi
> PhD student, Applied Mathematics
> AMMP Section, Department of Mathematics, Imperial College London,
> London SW7 2AZ, UK
> a.sacconi11 at imperial.ac.uk
>
>
>
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