Hmm, probably not too different from the subdomain restricted codepath, but what do they need to couple to? The other elements on the manifold only, or also the volume elements?
A challenge is when you have a side it doesn't know it's neighbors, complicating the sparsity graph. -Ben > On Marnt 27, 2014, at 5:35 PM, "Derek Gaston" <fried...@gmail.com> wrote: > > How about restricting the variable to the boundary - is there any path > forward on that? > > Derek > > > On Thu, Mar 27, 2014 at 4:16 PM, Roy Stogner <royst...@ices.utexas.edu>wrote: > >> >> On Thu, 27 Mar 2014, Derek Gaston wrote: >> >> Is this the place to use BoundaryMesh? >> >> That's what we do, yeah. >> >> >> Can you get the normals for the elements when you're on a >>> BoundaryMesh? >> >> Not directly, but you can get_dxyzdxi()/get_dxyzdeta(), and take the >> cross product of those two for the normal. You could alternatively >> get the interior_parent() of the boundary element and get the normals >> from that. >> --- >> Roy > ------------------------------------------------------------------------------ > _______________________________________________ > Libmesh-users mailing list > Libmesh-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libmesh-users ------------------------------------------------------------------------------ _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
