[Gmsh] cannot extrude quadrangles without recombine

[michele cavalerin]

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".

When I perform 2D mesh all surfaces are meshed with quadrangle, but on 3D mesh, triangles appear.


Can you help please?


Michele Cavallerin 
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