On 01/06/10 13:28, Steffè Walter wrote:
Hello
I would like to know if it is possible to use gmsh in the following way:
Let us suppose that I have a collection of brep files describing a set
of opencacscade solids.
These parts have been imprinted all together so that adjiacent solids
reuse the same faces.
I would like to generate a surface mesh of each solid in an independent run.
May I expert that the geometrical congruence of adjiacent entities will
be preserved in the mesh.
Hi Walter - Yes, provided that you mesh all the parts together.
I know that gmsh converts the opencascade geometery in an internal
geometry before meshing.
No: Gmsh does *not* convert the geometry to an internal format. Gmsh
directly accesses the underlying opencascade CAD representation.
Is it a safe to assume that if two opencascade edges (faces) are equal
they are converted in identical gmsh edges (faces)
Not if you mesh the entities separately, because the meshing algorithms
are randomized.
and then in two equal 1D (2D) meshes even in two separate runs ?
Thanks
walter
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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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