Hello Paul, Indeed the mesh overlaps itselfs :-( Can you run the exact same case without the recombination step (and without the subdivision) in order to see if the underlying triangular mesh is valid (or if the issue is with the recombination)?
Thanks, Chrisotphe > On 17 Jan 2019, at 12:54, cristini paul <[email protected]> wrote: > > Hello, > > I am facing a problem with Gmsh. I am generating a 2D mesh (quadrangles) > which consists in many disks put inside a box. > > It is working for a configuration with ~ 1000 disks but unfortunately I have > a problem when trying to generate a mesh with # 3000 disks. > > I use the external python API to generate the .msh file but my tool which > detects elements with negative jacobians find some although Gmsh didn't > mention anything. After reading the .msh file with the GUI I finally found > that there is indeed problems at the places detected by my tool. > > I enclosed screen captures showing the situation. > > Do you have an idea of what's going on ? > > Thanks > > Paul > > > -- > *--------------------------------------------------------------------------* > Paul CRISTINI Charge de Recherche CNRS (HDR) / CNRS Research Scientist > *--------------------------------------------------------------------------* > CNRS - Laboratoire de Mecanique et d'Acoustique (UMR 7031) > Bureau 119 > 4 Impasse Nikola Tesla, CS 40006, F-13453 Marseille Cedex 13 - France > mailto: [email protected] > phone number: +33 (0)4 84 52 42 51 > http://www.lma.cnrs-mrs.fr/ > *--------------------------------------------------------------------------* > > <Capture du 2019-01-17 11-55-29.png><Capture du 2019-01-17 > 11-42-27.png><Capture du 2019-01-17 > 11-29-56.png>_______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Free software: http://gmsh.info | http://getdp.info | http://onelab.info _______________________________________________ gmsh mailing list [email protected] http://onelab.info/mailman/listinfo/gmsh
