> On 14 Aug 2020, at 16:16, Rohracker, Maurice <[email protected]> wrote: > > Dear GMSH user and developer, > > I created two meshes for a box with a spherical inclusion around the origin, > one with tetrahedra and one with hexahedra. For both, I created a simple load > case in Abaqus and compared both results in a short report (see attached). In > the report, a more detail explanation of the load case is given as well. > > Do you have any idea, why in the hexahedral case, the stress results are not > that smooth like in the tetrahedral case? Could it be that I missed some > option while creating the hexahedral mesh? Are there any options which could > improve the mesh and such also the results? Or are these things related to > the simulation I am doing? >
A hex mesh generated by subdivision of of course of very poor quality... For a simple geometry like the one you tested, you should create your hex mesh using a structured approach (see e.g. gmsh/benchmarks/3d/sphere_hexa.geo). Christophe > Do you have any similar experience with such behaviour? > > We are using GMSH 4.4.1. > > If you need more information, please let me know. > > Thank you very much in advance. > > Best regards, > Maurice Rohracker > Master Computational Engineering > FAU > Erlangen-Nürnberg<MeshResultReport.pdf>_______________________________________________ > 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 _______________________________________________ gmsh mailing list [email protected] http://onelab.info/mailman/listinfo/gmsh
