> On 25 Sep 2015, at 22:38, Francisco Barceló <[email protected]> wrote: > > In triangle structured meshes, with internal transfinite lines, local node > numbering does not have the same orientation on all elements, i.e. some are > numbered clockwise and some are numbered counterclockwise. > > To be more specific, the switch in the numbering order occurs on elements on > different sides of an internal transfinite line. > > This issue is problematic for solving FV and FE problems with a mesh > generated by gmsh. > > Is there anything I can do to avoid this issue? I could not find any > renumbering tools within Gmsh. >
Francisco - The mesh orientation follows the orientation of the underlying surface: here's a corrected file.
MallaTriStruct.geo
Description: Binary data
> You can find attached both the problematic .geo and the .msh files. > > In the .msh file: > - line 771, element 465 is numbered clockwise. > - line 780, element 474 ins numbered counterclockwise. > > > > <MallaTriStruct.msh><MallaTriStruct.geo>_______________________________________________ > gmsh mailing list > [email protected] > http://www.geuz.org/mailman/listinfo/gmsh -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Tetrahedron V, July 4-5 2016: http://tetrahedron.montefiore.ulg.ac.be Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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