[Gmsh] pyramid elements

[David Colignon]

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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