Question about dof constraints and sparsity pattern: If the dofs constraint row is used to couple two dofs that otherwise do not have any coupling in the mesh (meaning, they belong to independent elements), then is this information taken into account in defining the sparsity pattern?
Thanks, Manav > On Jan 20, 2015, at 2:47 PM, Roy Stogner <[email protected]> wrote: > > > On Tue, 20 Jan 2015, Manav Bhatia wrote: > >> Am going to give the multipoint constraint a try. >> >> I am curious. Is this handled internally by simply replacing the equation >> for the constrained dof with the specified row? > > The two options are "replace the old equation" and "scream and die if > there was already a constraint", yeah. The latter is a nice check if > you think you've found an algorithm that avoids conflicting with other > constraints but you're not certain. > --- > Roy ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
