[Gmsh] cannot extrude quadrangles without recombine

[Christophe Geuzaine]

On 11 Oct 2013, at 17:06, michele cavalerin <m.cavallerin at yahoo.it> wrote:

> Good evening Cristophe,
> 
> I'm facing some problem with 3D meshing of the CANALE.geo enclosed file.
> 
> I would like to mesh a channel using a structured mesh.
> 
> When I try to do 3D mesh, I get error:" cannot extrude quadrangles without recombine".
> 

here we go:
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> When I perform 2D mesh all surfaces are meshed with quadrangle, but on 3D mesh, triangles appear.
> 
> Can you help please?
> 
> 
> Michele Cavallerin
> <CANALE.geo>_______________________________________________
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine