On 20/07/10 22:50, Pierre JUILLARD wrote:
Hi all,
I am seeking here some advices about the best approach to mesh surfaces
with quad elements.
I enclose a brep file (drawn with Salom 5.1.3).
It is rather simple.
Element size should be around 5mm.
I also enclose a picture of the mesh I obtained with Salome using the
algorithm "Netgen2D", with 'Quad_preference' option.
This kind of mesh suits me very well.
I wanted to try Gmsh and used the algorithm 'Frontal' (I read in the
documentation that it should give the best mesh quality).
I also used option 'All Quads', and set the Min element size to 4 and
Max element size to 5.
I also enclose the picture of the mesh obtained.
It rather surprises me.
I would prefer something similar to the one obtained with Salome.
Is there some 'simple' way to do it?
(I am not interested directly in the resulting file of course, it is
more to learn on GMSH and the best approaches to consider).
I thank you in advance for your help and advices.
For simple surfaces you can just use a structured grid: create a file
containing
Merge "beam_n_wall.brep";
Transfinite Line "*" = 10;
Transfinite Surface "*";
Recombine Surface "*";
and you should be all set.
Bests,
Pierre
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--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine
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