[Gmsh] Pb with Extrusion

[Christophe Geuzaine]

Nicolas Tardieu wrote:
> Hi!
> 
> I am trying to mesh a quarter of a given structure by extruding it by 
> rotation.
> If I recombine the mesh while extruding it, everything is OK!
> But if I don't, Gmsh produces degenerated tetrahedrons : elements with 
> zero Jacobians.

Damn, you're right: there are some flat tetrahedra touching the rotation
axis... I'll look into this when I have some spare time.

Thanks for the report,

Christophe

-- 
Christophe A. Geuzaine
Applied and Computational Mathematics, Caltech
geuzaine at acm.caltech.edu - http://geuz.org