[Gmsh] force mesh to include virtual line

Christophe Geuzaine christophe.geuzaine at case.edu
Mon Oct 10 21:18:18 CEST 2005


zaoui abdelhalim wrote:
> I use Gmsh to build 3d mesh after I read the mesh data in Matlab to make 
> finite element computation
> 
> my problem is when i have finished building geometry, I add a virtual 
> line in my geometry just for post processing under Matlab (plot 
> potential on this line) (this line is in free air in the same volume so 
> without intersection with other region)
> 
> for mesh 1D it create a node on this line
> 
> but for 2D and 3D the mesh don't include these nodes
> 
> so what i can do to force mesh to pass on this line
> 

Cf. http://geuz.org/gmsh/doc/texinfo/gmsh_2.html#SEC4

The line must be part of the boundary of a surface, itself part of the 
boundary of the volume.



> best regards.
> 
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-- 
Christophe Geuzaine
Assistant Professor, Case University, Mathematics
http://www.case.edu/artsci/math/geuzaine