[Gmsh] differenz between Linux-Version and Windows-Version

Christophe Geuzaine cgeuzaine at ulg.ac.be
Wed Aug 4 11:05:35 CEST 2010


On 23/06/10 15:16, Krupp, Verena wrote:
> Hello,
>
> I’m using Gmsh since 2 month and I want to mesh a very complex geometry
> – am cylinder filled with many small spheres.
>
> My question is: it is possible that the Gmsh version for Linux works
> different to the Gmsh version for windows. Both are Version: 2.4.2 and
> when I run my geo.file with the same options for the mesh, I got
> different meshes.
>
> My Mesh Option:
>
> 2D algorithm: Frontal
>
> 3D algorithm: Frontal
>
> Subdivison algorithm: None
>
> Smoothing Steps: 1
>
> Element size factor: 4.08
>
> Minimum element size: 0
>
> Maximum element size: 1e+0223
>
> Element order: 1
>
> Use incomplete high order elements: deactivated
>
> With the windows version I got a 3Dmesh with 10024 tetrahedrons. The
> number of tetrahedral with the Linux version is 51953!
>
> Another problem is: I need the meshes to import in COMSOL, a simulation
> software. The meshes, I generated with the Windows version will be good
> analyzed in COMSOL instead of the mesh generated with the Linux version.
>
> Does anybody know about a different between these two versions?
>

That seems weird. Are you sure you have the exact same options on both 
machines? With the options you provided the surface mesh on my machine 
self-intersects.

(You can reset all the options to default values with: 
Tools->Options->General->Output->Restore default options)

> Thank you in advanced and best regards
>
> Verena Krupp
>
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine