[Gmsh] Enforce certain quality measures

Christophe Geuzaine cgeuzaine at ulg.ac.be
Wed Jan 28 20:28:58 CET 2015


> On 21 Jan 2015, at 08:31, Murat Gunduz <mgocean at gmail.com> wrote:
> 
> 
> Dear GMSH community,
> 
> I have a similar question.
> I would like to learn, is it possible to modify the generated mesh based on quality fields?
> 
> I can save eta/rho/gamma values as a ".pos" file,
> but i do not know how to use this functions to modify the meshes to get better quality.
> 
> I would be very happy if you can answer this question.
> 

Hi - No, currently Gmsh only performs global optimisations and does not enforce specific radius-edge or dihedral angle constraints.

> Best Regards,
> murat
> 
> 
> 
> On Saturday, September 20, 2014 at 12:29:56 PM UTC+3, Florian M. Wagner wrote:
> Dear gmsh users, 
> 
> I understand the gamma, eta and rho quality measures, but is there a way 
> to enforce one of them in gmsh during mesh generation (for 3d 
> unstructured tets)? Like in TetGen for example ( 
> http://wias-berlin.de/software/tetgen/1.5/doc/manual/manual005.html#cmd-q ). 
> 
> Thank you very much for your help 
> Florian 
> 
> _______________________________________________ 
> gmsh mailing list 
> gm... at geuz.org 
> http://www.geuz.org/mailman/listinfo/gmsh 
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh

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