There was also an earlier discussion about the homogeneous case: https://sourceforge.net/p/libmesh/mailman/message/4457601/
which cited Graham Carey's book "Computational Grids". --- Roy On Wed, 4 May 2016, G. D. McBain wrote: > -------- Original Message -------- > Subject: [Libmesh-users] constrained matrix in libmesh > Local Time: 5 mai 2016 5:22 AM > UTC Time: 4 mai 2016 19:22 > From: junchao.zh...@gmail.com > To: libmesh-users@lists.sourceforge.net > > Hello, > I want to know how to handle hanging nodes. I read > DofMap::heterogenously_constrain_element_matrix_and_vector() and found > comments like > // The constrained matrix is built up as C^T K C. > // The constrained RHS is built up as C^T (F - K H) > > Are there papers or books on the algorithm used in libmesh? Or what I > can do is just to read the code? > > Hello. For the constraint matrix C, here's a link to discussions on this list > and Libmesh-devel a couple of years ago. I found this extremely enlightening > (thank you very much to the original participants) and so have it bookmarked. > I don't know of a reference in the published literature. > > https://sourceforge.net/p/libmesh/mailman/message/28886234/ > ------------------------------------------------------------------------------ > Find and fix application performance issues faster with Applications Manager > Applications Manager provides deep performance insights into multiple tiers of > your business applications. It resolves application problems quickly and > reduces your MTTR. Get your free trial! > https://ad.doubleclick.net/ddm/clk/302982198;130105516;z > _______________________________________________ > Libmesh-users mailing list > Libmesh-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libmesh-users > > ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
