[Gmsh] errorr in gmsh

[David Colignon]

On 03/12/13 04:16, Jun Fei wrote:
> Good day, the previous error is solve but when i try to mesh in 3d, the below error occur
> error: self intersecting surface mesh, computing intersections(this could take a while)
> i have look through the pattern of my mesh, i found that the gmsh have do another layer of mesh
> whereby it is not necessary, and i think it might be the source of the problem, but in order to
> remove that layer, i really got no idea, since i am a new user for it... can sir you give me some
> suggestion?
> below i attach my new geo file and the pattern of my mesh


surface 1 and 54 are superposed, remove

Plane Surface(54) = {54};

D.

>
>
> On Sat, Nov 30, 2013 at 10:29 PM, Jun Fei <seeddestinyplan91 at gmail.com
> <mailto:seeddestinyplan91 at gmail.com>> wrote:
>
>     thanks problem solved^^
>
>
>     On Fri, Nov 29, 2013 at 4:45 AM, David Colignon <David.Colignon at ulg.ac.be
>     <mailto:David.Colignon at ulg.ac.be>> wrote:
>
>         Hi,
>
>         your definition of plane Surface (3) is wrong, you must define separately each small
>         individual surface, one for each line loop.
>
>         Regards,
>
>         Dave
>
>         --
>         David Colignon, Ph.D.
>         Collaborateur Logistique du F.R.S.-FNRS
>         CÉCI - Consortium des Équipements de Calcul Intensif
>         ACE - Applied & Computational Electromagnetics
>         Université de Liège
>         Sart-Tilman B28
>         10, Grande Traverse
>         4000 Liège - BELGIQUE
>         Tél: +32 (0)4 366 37 32 <tel:%2B32%20%280%294%20366%2037%2032>
>         WWW: http://www.ceci-hpc.be/
>
>
>         On 29/11/13 09:18, Jun Fei wrote:
>
>             good day, currently i am using gmsh as my meshing tools to do 3d mesh upon my model, but
>             now i have
>             encounter an error as shown in the attachment
>
>
>             Error   : Unable to recover an edge 0.017 0.02808 && 0.017 0.02808 (0/19)
>             Info    : Meshing surface 5 (Plane, Delaunay)
>             Error   : Unable to recover an edge 0.01707 0.07189 && 0.01707 0.07189 (0/19)
>             Info    : Meshing surface 4 (Plane, Delaunay)
>             Error   : Unable to recover an edge 0.99591 0.00228 && 0.99591 0.00228 (0/19)
>             Info    : Meshing surface 6 (Plane, Delaunay)
>             Error   : Unable to recover an edge 0.99591 0.00228 && 0.99591 0.00228 (0/19)
>             Info    : Done meshing 2D (3.49048 s)
>             Info    : Meshing 3D...
>             Info    : Meshing volume 1 (Delaunay)
>             Info    : 0 points 0 edges and 0 faces in the initial mesh
>             Error   : No tetrahedra in region 1 0
>             Info    : 3D point insertion terminated (0 points created):
>             Info    :  - 0 Delaunay cavities modified for star shapeness
>             Info    :  - 0 points could not be inserted
>             Info    :  - 0 tetrahedra created in 0 sec. (-2147483648 <tel:%28-2147483648> tets/sec.)
>             Info    : Done meshing 3D (7.46687 s)
>             Info    : 38209 vertices 2288 elements
>             Error   : ------------------------------
>             Error   : Mesh generation error summary
>             Error   :     0 warnings
>             Error   :     5 errors
>             Error   : Check the full log for details
>             Error   : ------------------------------
>
>
>             i have attach with my domain pattern and my geo file, hope can help me
>
>
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>
>