[Nek5000-users] n2to3 mesh size error

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

Gmsh to .rea using CPraveen's python mesh converter.

On Mon, Nov 13, 2017, 10:52 PM <nek5000-users at lists.mcs.anl.gov> wrote:

> Looks like the boundary conditions in your .rea file are somehow messed
> up. How do you generate you .rea?
>
> -----Original message-----
> > From:nek5000-users at lists.mcs.anl.gov <nek5000-users at lists.mcs.anl.gov>
> > Sent: Tuesday 14th November 2017 4:47
> > To: nek5000-users at lists.mcs.anl.gov
> > Subject: [Nek5000-users] n2to3 mesh size error
> >
> > Hi all,
> >
> > I keep running into an error whenever I want to use n2to3 to extrude my
> mesh from 2 dimensions to 3. My workflow is as follows:
> >
> > gmsh .geo file -> gmsh .msh file -> .rea file -> n2to3 > .rea (3D) file.
> >
> > Now if the original 2D .rea file obtained from gmsh contains less than
> 1000 elements, n2to3 fails with the error
> >
> > At line 651 of file n2to3.f (unit = 10, file = msh_test.rea)
> > Fortran runtime error: Bad value during integer read
> >
> > However, should this not be the case (mesh size > 1000) its all smooth
> sailing. The trouble is with a mesh of that size my processor and memory
> requirements quickly blow up.
> >
> > Incidentally, genmap fails under almost exactly the same conditions.
> >
> > Is there a lower limit to mesh size issue for nek5000 that Im missing
> here?
> >
> > Sincerely,
> > --
> > Amitvikram Dutta
> > Graduate Research Assistant
> > Fluid Mechanics Research Lab
> > University of Waterloo
> > _______________________________________________
> > Nek5000-users mailing list
> > Nek5000-users at lists.mcs.anl.gov
> > 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
>
-- 

*Amitvikram Dutta*

Graduate Research Assistant

Fluid Mechanics Research Lab

University of Waterloo
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/nek5000-users/attachments/20171114/129385f6/attachment.html>