[Gmsh] Negative Jacobians in 2nd Order Mesh

[Nikhil Vaidya]

Hi Christophe,

Your suggestion solved my problem. Thanks!

Best,
Nikhil

On Fri, Sep 4, 2020, 2:19 PM Christophe Geuzaine <cgeuzaine at uliege.be>
wrote:

>
>
> > On 4 Sep 2020, at 13:49, Nikhil Vaidya <nikhilvaidya91 at gmail.com> wrote:
> >
> > Hello,
> >
> > I have a geometry for which 1st order tetrahedral meshing works fine
> (with no negative jacobians). For the 2nd order case, I get a few negative
> jacobians. This problem does not go away even when I try to regularize the
> mesh or reduce mesh sizes in certain regions with small geometric features.
> >
> > Does someone have a suggestion?
>
> Try the high-order mesh optimizer: "-optimize_ho" on the command line.
>
> Christophe
>
> >
> > Best regards,
> > Nikhil
> > _______________________________________________
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> > gmsh at onelab.info
> > http://onelab.info/mailman/listinfo/gmsh
>
> —
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
>
>
>
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