On Thu, Aug 4, 2011 at 2:49 PM, Roy Stogner <[email protected]> wrote: > > On Thu, 4 Aug 2011, John Peterson wrote: > >> On Thu, Aug 4, 2011 at 2:00 PM, Truman Ellis <[email protected]> >> wrote: >>> >>> I need to represent a variable which lives in H(div,K). From what I >>> understand, I need to use Raviart-Thomas elements. It doesn't look like >>> LibMesh has support for any vector-valued variables (as far as I can >>> tell), which just means that I need to represent each coordinate >>> separately. Does anyone know how to use / construct Raviart-Thomas >>> elements in LibMesh? >> >> Sadly, I think Roy's response from 2008 still pretty much sums it up... >> >> >> http://www.mail-archive.com/[email protected]/msg00731.html >> >> We anticipate that fairly large changes to the library would be >> required... > > One big change from 2008: we've got a couple other applications at UT > that would benefit from vector-valued elements, so now I've got a > vested interest in helping add them. Right now wouldn't be a bad time > to add the fundamental new methods (Real shape() gets a corresponding > Gradient vector_shape(), etc, yes?) necessary. And those would be > relatively straightforward additions. Any thoughts?
Something about the mapping to the reference element changes as well. Piola tranformation? http://www.math.uh.edu/~rohop/spring_11/downloads/Chapter7.pdf was all I could find on short notice. -- John ------------------------------------------------------------------------------ BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA The must-attend event for mobile developers. Connect with experts. Get tools for creating Super Apps. See the latest technologies. Sessions, hands-on labs, demos & much more. Register early & save! http://p.sf.net/sfu/rim-blackberry-1 _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
