[Nek5000-users] help with meshing a torus

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

Jacopo,

I would just use P bcs --- things will work fine.

With E, you need to be careful about how the connectivity graph
is generated (which is actually done by genmap).

I've used your approach for tori in the past and it is ok.

Paul

________________________________________
From: nek5000-users-bounces at lists.mcs.anl.gov [nek5000-users-bounces at lists.mcs.anl.gov] on behalf of nek5000-users at lists.mcs.anl.gov [nek5000-users at lists.mcs.anl.gov]
Sent: Monday, June 02, 2014 11:42 AM
To: nek5000-users at lists.mcs.anl.gov
Subject: [Nek5000-users] help with meshing a torus

Hi all,

I'm trying to create a mesh for a torus (a doughnut).
In order to do so I create the mesh for a straight pipe and then I bend
it in usrdat2.

If I assign periodic boundary conditions on the two faces of the
straight pipe (that then coincide when I bend the pipe) everything works
fine.
If, instead, I assign E (as it should) nek stops after usrdat2 and
complains about unique labels shared (I attached a log). Why?


Best regards,
Jacopo