[Gmsh] pyramid elements
David Colignon
David.Colignon at ulg.ac.be
Fri May 19 09:01:58 CEST 2006
Hi,
gmsh is _not_ able to generate pyramid elements. If one side of your volume is meshed with quads, gmsh will not be able to mesh the volume.
Cheers,
Dave
--
David Colignon, Ph.D.
ELAP - Service d'Electricité Appliquée
Institut Montefiore B28
Université de Liège
4000 Liège - BELGIQUE
Tél: +32 (0)4 366 37 32
Fax: +32 (0)4 366 29 10
http://elap.montefiore.ulg.ac.be
Pei-Ying Hsieh wrote:
>
> Dear GMSH experts:
>
> I promise that once I have learned more about gmsh, I will stop asking
> stupid question.
>
> When is pyramid element generated (or how is it generated)?
>
> I am exploring the possiblity of hybrid mesh. The geometry will be
> divided into several pieces so that majority of the volumes can be
> meshes with Hex elements (structured mesh). The few irregular volumes
> that cannot be meshed with structured mesh (Hex elements), I am hoping
> to mesh it with Tet elements, but, how to transition from Hex elements
> to Tet elements? Pyramids seem like a great choice, but, how is this done?
>
> I made one volume, meshed one surface of the volume with structured
> mesh, that is all quad elements. There were no special treatment on the
> other 5 surfaces, so, Triangles were generated. When I went ahead and
> mesh the volume, I did not see any 3D elements (tet or hex or pyramid or
> prism). Only those 2D elements on the surface were generated.
>
> Any suggestion will be greatly appreciated.
>
> Pei
>
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