Hi,

the problem is that most of your Lines are defined twice, for example, Line 63 from point 44 to 42, and Line 71 from point 42 to 44 ... If two triangles share a common edge/line, this common edge must be defined only once, and used in the definition of the Line Loop of the two surfaces.

Regards,

Dave


--
David Colignon, Ph.D.
Collaborateur Logistique du F.R.S.-FNRS
CÉCI - Consortium des Équipements de Calcul Intensif
ACE - Applied & Computational Electromagnetics
Sart-Tilman B28
Université de Liège
4000 Liège - BELGIQUE
Tél: +32 (0)4 366 37 32
Fax: +32 (0)4 366 29 10
WWW:    http://hpc.montefiore.ulg.ac.be/
Agenda: http://www.google.com/calendar/embed?src=david.colignon%40gmail.com


On 11/12/09 08:02, 정상엽 wrote:
Hi,

Thank you for advice,

But i have another question.

To figure out geometry error, as you said,

I made another voronoi geometry and meshing it (which is contained in
the mail).

but there is same message as follows:

...
...
Info    : Meshing volume 246 (Delaunay)
Error   : Self intersecting surface mesh, computing intersections (this
could take a while)
Info    : 103 faces self-intersect
...
...

Then i check the volume in the geometry,

But nothing is wrong. All the volume are well defined.

What should i do, or what is the wrong point in the geometry??

How can i check it??

I really appreciate your advice.


Sang-yeop Chung.




2009/12/10 David Colignon <[email protected]
<mailto:[email protected]>>

    Hi,



    --
    David Colignon, Ph.D.
    Collaborateur Logistique du F.R.S.-FNRS
    CÉCI - Consortium des Équipements de Calcul Intensif
    ACE - Applied & Computational Electromagnetics
    Sart-Tilman B28
    Université de Liège
    4000 Liège - BELGIQUE
    Tél: +32 (0)4 366 37 32
    Fax: +32 (0)4 366 29 10
    WWW: http://hpc.montefiore.ulg.ac.be/
    Agenda:
    http://www.google.com/calendar/embed?src=david.colignon%40gmail.com



    On 10/12/09 07:18, 정상엽 wrote:


        Dear, Gmsh developer

        I made a voronoi geometry and meshing it using 'gmsh'.

        But when meshing the geometry, the error message represent as
        follows,

        ------------------------------------------------
        Error : Mesh generation error summary
        Error : 0 warning
        Error : 1 error
        Error : Check the full log for details
        -------------------------------------------------



    Hi,

    this is only the summary of the error message printed at the end.
    You have to search for the real error message in all the text that
    was printed before. And you will find something like:

    ...
    ...
    Info    : Meshing volume 553 (Delaunay)
    Error   : Self intersecting surface mesh, computing intersections
    (this could take a while)
    Info    : 232 faces self-intersect
    Info    : face (181 14 31) on model face 81
    ...
    ...

    That means that you have a problem in your geometry.

    If you look at your Volumes with Tools -> Visibility , you will see
    that most of your volumes are completely wrong !

    Regards,

    Dave




        How can i fix it, does it have problem in geometry??

        or it is impossible 3D meshing??

        I send you the geometry file.

        Thank you.





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