[Gmsh] Gmsh produces meshes with different number of elements

[Felix Salazar]

>
> My experience with this type of issue has been that, for the same
> architecture, with a binary compiled with the same options, the meshes are
> repeatable. Some minor differences might occur when some options are
> missing in the binary in another computer. And I've seen that the numbers
> associated with extruded entities sometimes change between different
> computers. That was actually common.
>
> But I think all that was before version 3.0. At the time I was generating
> meshes in different architectures and spotting those differences in mesh
> was easier (frequently with errors in the geometry generation). I never
> considered it a bug. I just tried to build robust .geo files where the
> surface/volume numbers were implicit.
>
> Thanks to the devs for all the improvements throughout these years!
>
>
> On Aug 9, 2018 4:18 PM, "Christophe Geuzaine" <cgeuzaine at uliege.be> wrote:
>
>
>
> > On 9 Aug 2018, at 21:44, Juan E. Sanchez <juan.e.sanchez at gmail.com>
> wrote:
> >
> > Hello,
> >
> > Are you saying that gmsh generated meshes are now repeatable for the
> same inputs?
>
> Yes, with the latest snapshots they should be.
>
>
> > That has never been my experience in the past.
>
> Correct. A lot has been happening since Gmsh 3.0 :-)
>
>
> >
> > Regards,
> >
> > Juan
> >
> > On 8/9/18 11:11 AM, Jean-François Remacle wrote:
> >> Hello
> >> This should NOT happen. Can you send the script ?
> >>> Le 9 août 2018 à 17:27, Octavio Castillo Reyes <
> ocastilloreyes at gmail.com> a écrit :
> >>>
> >>> Dear all,
> >>>
> >>> First I would like to say that gmsh is a great tool and I congratulate
> the developers.
> >>>
> >>> I'm working with tetrahedral meshes and I have noticed that for the
> same script, gmsh produces different meshes, that is, the number of
> elements or nodes is different. This is without making changes to the .geo
> file, does anyone have any idea how to fix it?
> >>>
> >>> Thank you very much
> >>>
> >>> O.
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> >
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>
> —
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
> Free software: http://gmsh.info | http://getdp.info | http://onelab.info
>
>
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