Roy's right, we do this to post process surface data for fluids computations. These values don't need to be coupled to the interior field, or do they? We just usually solve a projection.
> On Mar 27, 2014, at 5:16 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