[Gmsh] Almost structured mesh - Why aren't they structured?

[Feifei TONG]

Hi Paolo,

I will Recombine the surfaces and volumes to make the mesh structured.

See attached the revised file.

Regards,
Feifei


On 20 September 2012 22:02, Paolo Tricerri <paolo.tricerri at epfl.ch> wrote:

> Dear Gmsh users,
>
> I have a small question about how GMSH extrudes a meshed surface. The
> script I have attached to the email, creates a cylindrical tube
> extruding one of the two flat borders in the z direction. The mesh of
> the extruded border is structured and symmetric w.r.t the line x=y
> (the straight line of 45 degrees). When I extrude the mesh, the two
> curved surfaces I get are almost structured. There are some elements
> (placed in random position?) which make the mesh non completely
> structured.
>
> Why this? I would need a structured mesh and not an almost structured
> mesh. Is that possible to have the two curved surfaces structured?
>
> Many thanks for any suggestion,
>
> Paolo
>
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