[Nek5000-users] Cylindrical mesh

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Thu Sep 15 10:45:20 CDT 2011


Alright then,

Thanks for the tip, I'll give it a try.

On 15 September 2011 16:16, <nek5000-users at lists.mcs.anl.gov> wrote:

> Jean-Christophe,
>
> I was having trouble with the cylindrical meshing in genbox.  However, I
> made the switch to prex, and I've found that easier than genbox.  Just my 2
> cents.
>
> --Mike
>
> On Sep 15, 2011, at 3:45 AM, <nek5000-users at lists.mcs.anl.gov> wrote:
>
> > Hi Nek's,
> >
> > I've just started to look at the cylindrical meshing capabilities of
> genbox, and I have one question regarding the boundary conditions. Here is
> the exemple in Nek Primer just for recall:
> >
> > 2                   spatial dimension
> > 1                   number of fields
> > #
> > #
> > #
> > Y                   cYlinder
> > 3  -24  1         nelr,nel_theta,nelz
> > .5  .3              x0,y0 - center of cylinder
> > ccbb              descriptors
> > .5 .55 .7 .8     r0 r1 .... r_nelr
> > 0  1  1
> > v  ,W  ,E  ,E  ,
> >
> > I am not sure though I correctly understood where are applied the
> boundary conditions. Indeed we now have five "physical" boundaries (the four
> edges of the box + the cylinder itself), however we specified only four
> conditions.
> >
> > Regards,
> >
> > --
> > Jean-Christophe
> > <ATT00001..txt>
>
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-- 
Jean-Christophe
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