Since a node is a DofObject you can ask it if it has any components for a particular variable of a particular system. If the number of components is 0 you obviously can't set anything.
-Ben On Oct 9, 2011, at 12:06 PM, "Christopher Petrovitch" <[email protected]> wrote: > Hello, > > I was wondering how you would go about setting pressure boundary conditions > in example 11. I followed the method used in the example and the program > segfaults, which I suppose it should since the loop is over a Quad9, and > pressure is setup to be a first order approximation. So, setting pressure to > a second order approximation fixed the seg fault, its isn't an ideal > solution. Is there a way to test if a node is on the first order nodes of a > second order element, or perhaps a some other method? > > Basically, what I want to to do is set wall BC's (u=v=0) and setup a pressure > difference for inflow/outflow to mimic what we do in our lab. > > Thanks, > > Chris > > > > ------------------------------------------------------------------------------ > All of the data generated in your IT infrastructure is seriously valuable. > Why? It contains a definitive record of application performance, security > threats, fraudulent activity, and more. Splunk takes this data and makes > sense of it. IT sense. And common sense. > http://p.sf.net/sfu/splunk-d2dcopy2 > _______________________________________________ > Libmesh-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/libmesh-users ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2dcopy2 _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
