Re: [Libmesh-devel] Multigrid Projection Matrixes with Periodic Boundaries

2017-07-07 Thread Roy Stogner
On Thu, 6 Jul 2017, Boris Boutkov wrote: Hello again - Ive been doing further work on the multigrid projection matrix front and things are starting to look fairly stable overall! Great! The main issue that has resurfaced is the treatment of the boundary conditions. Though it seems that for

[Libmesh-devel] Multigrid Projection Matrixes with Periodic Boundaries

2017-07-06 Thread Boris Boutkov
Hello again - Ive been doing further work on the multigrid projection matrix front and things are starting to look fairly stable overall! The main issue that has resurfaced is the treatment of the boundary conditions. Though it seems that for most cases convergence rates are as expected, there cle