[Gmsh] problem with fillet surface

[Christophe Geuzaine]

> On 5 Jul 2019, at 09:37, Alessandro Vicini <alessandro.vicini at sitael.com> wrote:
> 
> 
> 
> In the attached geo file I use the "fillet" option. The problem is I can't get a regular mesh on the fillet surface, it seems there's a singularity, see attached picture. Is this an OpenCascade problem...? Thank you.

The OpenCASCADE parametrization of the surface is very bad indeed: display the STL mesh (Alt+s, Alt+d) to see how weird it is ;-)

Christophe

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