[Gmsh] Anisotropic meshing in a particular axis...

[Christophe Geuzaine]

"Toshiro K. Ohsumi" wrote:
> 
> Hello,
> 
>    I have a domain attached below, which is very tall and wide (x and y axes),
> but also very thin (z axis).  I would like to have 5 to 10 elements in the z
> direction, but if I change lc to do this, I will have too many elements.  What
> I would like to do is have a characteristic length in the z direction of
> 0.02, while having a characteristic length in the x and y direction of 0.3.
> Is this possible to do?  I know I can change the characteristic length at
> points, but it is not clear to me if this will help in my case.  Any
> information would be greatly appreciated.  Many thanks,


There is no unstructured anisotropic mesher in gmsh at the moment. But
you may want to use an extruded mesh in you case (cf. attached file).

Christophe


-- 
Christophe Geuzaine

Tel: (626) 395-4552    http://www.geuz.org
Fax: (626) 578-0124    mailto:geuzaine at acm.caltech.edu
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