[Gmsh] Negative Jacobians in 2nd Order Mesh

[Stephen Wornom]

Tell the list if it removes the negative values.
Thanks,
Stephen

----- Original Message -----
> From: "Christophe Geuzaine" <cgeuzaine at uliege.be>
> To: "Nikhil Vaidya" <nikhilvaidya91 at gmail.com>
> Cc: gmsh at onelab.info
> Sent: Friday, September 4, 2020 2:19:36 PM
> Subject: Re: [Gmsh] Negative Jacobians in 2nd Order Mesh

>> 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
>> _______________________________________________
>> gmsh mailing list
>> 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
> 
> 
> 
> 
> _______________________________________________
> gmsh mailing list
> gmsh at onelab.info
> http://onelab.info/mailman/listinfo/gmsh