[Gmsh] RE : Structured Mesh in GMSH

[Hoessler, Julien]

Hi Vitor,
You just need to add recombine in the extrusion line:
Extrude {0,0,20} { Surface{6}; Layers{50};Recombine; }
regards
Julien
________________________________________
De : gmsh-bounces at ace20.montefiore.ulg.ac.be [gmsh-bounces at ace20.montefiore.ulg.ac.be] de la part de Vitor M. Braga [vitorbraga at polo.ufsc.br]
Date d'envoi : mardi 27 avril 2010 21:58
À : gmsh at geuz.org
Objet : [Gmsh] Structured Mesh in GMSH

Dear friends,


Here is the problem, I'm trying to generate a mesh for a pipe:

Point(1) = {0, 0, 0, 1e+022};
Point(2) = {3, 0, 0, 1e+022};
Point(3) = {-3, 0, 0, 1e+022};
Point(4) = {0, -3, 0, 1e+022};
Point(5) = {0, 3, 0, 1e+022};
Circle(1) = {5, 1, 2};


Circle(2) = {2, 1, 4};
Circle(3) = {4, 1, 3};
Circle(4) = {3, 1, 5};
Line Loop(6) = {1, 2, 3, 4};
Plane Surface(6) = {6};
Transfinite Line{1, 2, 3, 4} = 11 Using Progression 1;
Extrude {0,0,20} { Surface{6}; Layers{50}; }
Transfinite Surface{28,27,23,19,15,6};
Recombine Surface {28,27,23,19,15,6};


I generate 1D and 2D meshes succesfully, but when I click 3D the
software crashes and shows:

"Cannot extrude quadrangles without recombine"

But I clearly recombined all the surfaces, so, what's wrong?

Thank you.

Regards,



Vitor de Melo Braga

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