[Gmsh] mesh problem on a cylinder
Christophe Geuzaine
cgeuzaine at ulg.ac.be
Mon May 11 10:54:49 CEST 2009
Teresa Pinheiro wrote:
> Thank you very much for your quick solution of the problem!
>
> Now it is possible to obtain a 3D mesh of the reported structures.
> Indeed, I have been able to obtain only a very dense 3D mesh,
> considering a very small element size factor. In case a not so small
> value of this parameter is considered, it's possible to obtain a 2D
> mesh, but not a 3D mesh. Is this a requirement for the 3D mesh in this
That's strange: over here all mesh sizes work, e.g.
gmsh cylinder.brep -clscale 5 -3
gmsh cylinder.brep -clscale 10 -3
gmsh cylinder.brep -clscale 50 -3
gmsh cylinder.brep -clscale 100 -3
> kind of structures or would there be any other alternative in order to
> get a not so dense mesh?
>
> Again, thank you for your help!
>
> Teresa
>
> On Sat, May 9, 2009 at 9:30 AM, Christophe Geuzaine <cgeuzaine at ulg.ac.be
> <mailto:cgeuzaine at ulg.ac.be>> wrote:
>
> Teresa Pinheiro wrote:
>
> Hello to everybody!
>
> I have found two simple examples with cylindric symmetry, where
> the mesh module of gmsh doesn't perform a 3D mesh. I have tried
> with different meshing algorithms and changing the element size
> factor, but I haven't been able to obtain a 3D mesh.
>
>
> Hi Teresa - this should be fixed in tomorrow's nightly snapshot: there
> was a small tolerance issue in the mesh algorithm for periodic surfaces.
>
> Thanks for the bug report!
>
> Christophe
>
>
> See the brep files, where the geometry is kept and the output
> files, where the outgoing info is saved.
>
> Thanks!
>
>
> Teresa
>
>
>
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> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
> <http://www.montefiore.ulg.ac.be/%7Egeuzaine>
>
>
>
--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine