[Gmsh] Delaunay for quads

[Christophe Geuzaine]

> On 16 Mar 2019, at 10:19, Michel Cassagnes <michel.cassagnes at noos.fr> wrote:
> 
> Dear Christophe,
> 
> Fine! It works with the latest version. I didn't check visually but my calculation goes to end without any errors. I had tried with the 4.0.0. It is a recent modification?

Yes, quad meshing has been improved quite a bit since 4.0. There's also now an option to create full-quad meshes in 1 step.

> I noticed that mesh options have changed. Delaunay for quads becomes Frontal-Delaunay for quads but remains experimental. Why by curiosity? 

To better match the name in our paper it. It's still experimental as it's only really robust for plane surfaces.

Cheers,

Christophe

> 
> Thank you very much and congratulation again for your work.
> 
> Best regards,
> 
> Michel Cassagnes
> 
> 
> Le ven. 15 mars 2019 à 18:24, Christophe Geuzaine <cgeuzaine at uliege.be> a écrit :
> 
> Dear Michel,
> 
> Does this happens with the latest version? If it does, could you share a minimal example when we could reproduce the problem?
> 
> Thanks,
> 
> Christophe
> 
> > On 14 Mar 2019, at 22:53, Michel Cassagnes <michel.cassagnes at noos.fr> wrote:
> > 
> > Dear all,
> > 
> > I am using mesh with Delaunay for quads and then Recombine to get quads (and some triangles, I don't need only quads). Resulting mesh seems very good but when I use it for calculations, it appears that the mesh contains some quads with two edges aligned so unusable and that leads to errors.
> > 
> > What can be done to correct this issue ? Is there a parameter to control angles in resulting quads that could allow keeping triangle instead if it occurs?
> > 
> > Best regards,
> > 
> > Michel Cassagnes
> > _______________________________________________
> > gmsh mailing list
> > gmsh at onelab.info
> > http://onelab.info/mailman/listinfo/gmsh
> 
> — 
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science 
> http://www.montefiore.ulg.ac.be/~geuzaine
> 
> 
> 

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