[Nek5000-users] Genmap Error?

[nek5000-users at lists.mcs.anl.gov]

The SELF-CHK failed meaning genmap thinks two element vertices of the same element are the same. Please check your mesh for invalid elements.

-----Original message-----
> From:nek5000-users--- via Nek5000-users <nek5000-users at lists.mcs.anl.gov>
> Sent: Wednesday 7th November 2018 21:11
> To: nek5000-users at lists.mcs.anl.gov
> Subject: Re: [Nek5000-users] Genmap Error?
> 
> What you see is not related to MAXNEL otherwise genmap would bail out with an error message. 
> 
> On 7 Nov 2018, at 19:01, nek5000-users--- via Nek5000-users <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>> wrote:
> 
> Hi!
> 
> Maybe you should increase MAXNEL parameter in maketools script (Nek5000/tools)?
> 
> nek5000-users  <nek5000-users at lists.mcs.anl.gov <mailto:nek5000-users at lists.mcs.anl.gov>>:
> Hello,
> I created a ".re2" mesh by converting an Exodus (".exo") mesh from Cubit 
> 15.0 using the "exo2nek" script. It's a relatively large mesh (780k 
> elements) and I need to run it using parallel processing, and so I 
> wanted to use the "genmap" script.
> 
> However, I keep getting these errors, no matter what input mesh 
> tolerance value I use, from 0.2 to 0.00001):
> 
> genmap
> Input .rea / .re2 name:
> RCF_3D_FullSimple
>   reading RCF_3D_FullSimple.re2
> Input mesh tolerance (default 0.2):
> NOTE: smaller is better, but generous is more forgiving for bad meshes.
> 0.00001
>   reading mesh data ...
>   start locglob_lexico:           8      775728     6205824 
> 1.0000000000000001E-005
>   locglob:           1           1     6205824
>   locglob:           2       11290     6205824
>   locglob:           3       15413     6205824
>   locglob:           1      632909     6205824
>   locglob:           2      632909     6205824
>   locglob:           3      632909     6205824
>   locglob:           1      632909     6205824
>   locglob:           2      632909     6205824
>   locglob:           3      632909     6205824
> 
> 593741     2     4  Matrix:  SELF!!
>         1 SELF!!   313837   313837   313837   313837
>         2 SELF!!   313837   313837   313837   313837
>   cont: SELF!!      593741
> 
>   ABORT: SELF-CHK            1           2      593741           0
>   Try to tighten the mesh tolerance!
> 
>             0  quit
> 
> 
> Do you have any idea what this means? Just from the output, it looks 
> like it's saying there are coincident vertices or elements? Is it a 
> problem with my mesh or with running the script?
> 
> Thanks,
> Matt
> _______________________________________________
> Nek5000-users mailing list
> Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>
> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>
> _______________________________________________
> Nek5000-users mailing list
> Nek5000-users at lists.mcs.anl.gov <mailto:Nek5000-users at lists.mcs.anl.gov>
> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users <https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users>
> _______________________________________________
> Nek5000-users mailing list
> Nek5000-users at lists.mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/nek5000-users