[Nek5000-users] Cylindrical mesh

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

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>