On Tue, Sep 11, 2012 at 12:44:35PM -0500, Roy Stogner wrote: > > On Tue, 11 Sep 2012, Derek Gaston wrote: > > > One of our users is looking for the ability to do Periodic BCs... but where > > instead of have _equality_ on either side of the periodic boundary you > > instead have a constant offset. > > So if u_i is periodic with u_j you would then have the constraint that u_j > > = u_i + c ... where c is that specified offset. > > > > What's really tricky is that they want a different constant value for each > > variable. > > > > Anyone see a way to make that happen? > > It'd actually be pretty easy now that the heterogenous constraints are > in - we'd just want to add "offset" values to the PeriodicBoundary > class and respect that when constructing the constraint equations. > > The main problem is: isn't the new PBC code still failing some of your > tests? Last I heard, John still had a MOOSE regression test breaking > but hadn't been able to distill it down into a libMesh-only failure > case to send me.
As this main problem is some kind of resolved according to the mailinglist, has anyone already coded this "easy" addition? Will this also work for the new vector_fe stuff? I am currently using the displacements (u,v,w) as primary variables and want to switch to using the nodes position (x,y,z) as primary variables. Robert > --- > Roy > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Libmesh-devel mailing list > Libmesh-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libmesh-devel ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Libmesh-devel mailing list Libmesh-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-devel
