[Getdp] mesh aspect ratio

[Christophe Geuzaine]

Fabian Dortu wrote:
> Hello,
> 
> I would like to know if highly distorded meshes (like quadrangle with a 
> high aspect ratio 1:10) usually make sens with the finite element 
> method? Is it possible to generate such a mesh with Gmsh (like for
> instance by specifying 2 different characteristic lengths)?

For quadrangles you can do that in Gmsh with extruded (see 
tutorial/t3.geo) or transfinite (see tutorial/t6.geo) meshes. For 
general geometries you can try the anisotropic algorithm (see 
tutorial/t7.geo).

Christophe

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