[Gmsh] Comparison of different meshes

Max Orok morok at mevex.com
Fri Aug 14 17:06:08 CEST 2020

Hi Maurice,

The hexahedral mesh (and also the tetrahedral mesh) seems quite coarse.
Could you refine the mesh and see if the result smoothes out?


On Fri, Aug 14, 2020 at 10:25 AM Rohracker, Maurice <mau.rohracker at fau.de>

> 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?
> 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_______________________________________________
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Max Orok
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