[Gmsh] 2nd order and 1st order elements in a mesh?

Christophe Geuzaine cgeuzaine at ulg.ac.be
Tue Nov 25 20:12:01 CET 2008


Umut Tabak wrote:
> Dear all,
> 
> I am not sure if this is applicable or not but let me try.
> 
> For a vibro-acoustic analysis program that I am trying to develop. I 
> wanted to couple 2nd order quadrangles to 1st order hexahedra. Say, I 
> have a 3D box shaped volume, is that possible to mesh one surface of the 
> box with 2nd order quadrangles and the volume with linear hexahedra 
> elements(through transfinite), did not seem reasonable to me BTW. When I 
> use the '-order 2' option on command line, of course all the elements 
> are 2nd order. Is there a way to somehow conduct some manipulations on 
> this scheme?

Not directly in Gmsh. But you can of course use the elements in the 
resulting mesh file in any way you want..

> 
> Thx for the replies.
> 
> Umut
> 
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> 


-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine