[Gmsh] Mesh over-refinements inside 2D geometry

[Christophe Geuzaine]

Romain Quey wrote:
> Hello,
>     
> I use Gmsh to mesh Voronoi tessellations, and I'm having some
> problems with the 2-D mesh: sometimes, big over-refinements
> appear inside the 2-D geometry.  Please see the files attached.
> 
> (I use the Triangle algorithm and I want to control really
> acurately the mesh size, that's why I add (a lot of) dummy
> points on the geometry segments.)
> 
> Do you know why I have this problem and how to avoid it?
> 

Yes, it's one of the annoying characteristics of this algorithm. Using 
the default isotropic algorithm should solve the problem.



> Thanks.
> 
> Romain Quey
> 
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-- 
Christophe Geuzaine
Assistant Professor, Case Western Reserve University, Mathematics
http://www.case.edu/artsci/math/geuzaine