On Mon, Nov 03, 2008 at 12:25:12PM +0100, Andy Ray Terrel wrote: > On Mon, Nov 3, 2008 at 12:03 PM, Anders Logg <[EMAIL PROTECTED]> wrote: > > On Mon, Nov 03, 2008 at 10:38:16AM +0100, Andy Ray Terrel wrote: > >> Hello, > >> > >> I was wondering if anyone has done anything with coupling fields over > >> subelements? I have a mixed method that uses a P2 velocity space and > >> then couples it to a several P1 subelements for the stress tensor. > >> > >> Thanks, > >> Andy > > > > What do you mean with coupling? We use mixed elements with coupled sub > > fields (through the variational form) all the time (like in Stokes). > > > > > I mean the same thing as in the Stokes example, except velocity is on > a reference triangle and the stress is on n triangles partitioning the > reference. I would handle all the mixed element formulation the same > and couple fields in the variational form.
Form on overlapping meshes is not supported, you'll have to do it manually (by run-time quadrature). We are working on similar formulations (forms on overlapping non-matching meshes) so I might be interested in adding support for this at some point. -- Anders
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