Hi Christophe,
Thanks for your crystal clear answer. Its leaves the options either
create a converter from the current Plot3d P3D export (to plot3D XYZ) or
to help with the CGNS structured export...
Cheers,
Guillaume
Le 21/01/2020 à 14:24, Christophe Geuzaine a écrit :
Hi Guillaume,
Indeed Gmsh handles most (if not all) meshes as unstructured. Our new CGNS
importer now handles structured meshes as input ; but the exporter still
currently exports even structured meshes as unstructured. We plan to add simple
structured CGNS grids for our transfinite meshes - but it's not done yet. Any
help with this would actually be welcome.
Best,
Christophe
On 16 Jan 2020, at 10:59, Guillaume Florent <[email protected]> wrote:
Hello,
This is my first message on the mailing list, so please apologize any wandering
off the Gmsh community culture ...
I want to create a structured/block-structured (obviously quads) surface mesh
and export it to either Plot3D XYZ format or to CGNS structured format to use
it as an input for another hyperbolic mesher.
Starting with a simple cube, I realized that:
- I could not find an exporter to Plot3D XYZ format (I yet have to see if the
P3D export format can be converted to XYZ)
- even for a simple transfinite surface mesh on a cube face, I get an
unstructured CGNS mesh when exported ('Unstructured' is in plain text in the
exported file and the hyperbolic mesher complains about that since it expects a
structured mesh).
Am I missing something or hitting a Gmsh limit?
Best regards,
Guillaume Florent (Yacht Design + Engineering)
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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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