Very cool! Is there a paper you can point me to that discusses the foundations?
-Manav > On Nov 7, 2017, at 12:37 PM, Paul T. Bauman <[email protected]> wrote: > > > > On Tue, Nov 7, 2017 at 1:33 PM, Manav Bhatia <[email protected] > <mailto:[email protected]>> wrote: > Aha! Thanks for sharing this information. > > Are there any restrictions placed on the mesh type for this? > Structured/Unstructured? > > Totally unstructured. (libMesh doesn't have any true structured > representation after all. :) ) > > What about distribution of dofs? Like subdomain variables, etc. > > This should all be fine. The main restriction is/will be that you cannot > coarsen beyond the coarsest mesh you start with. So, the typical strategy > will be to refine from your coarsest grid to generate the mesh hierarchy > (uniform or adaptively refine). Part of this funding is also interacting with > geometry, (but that will be over the next couple of years) so that you can > start very coarse and then refine and respect the geometry. > > > -Manav > >> On Nov 7, 2017, at 12:11 PM, Paul T. Bauman <[email protected] >> <mailto:[email protected]>> wrote: >> >> On Tue, Nov 7, 2017 at 12:55 PM, Manav Bhatia <[email protected] >> <mailto:[email protected]>> wrote: >> >> This is unrelated: is there any activity concerning multigrid >> preconditioners within libMesh? I can certainly use Algebraic MG from PETSC, >> but what about geometric MG? >> >> Yes, we have a project going on this. We're debugging the pre-alpha version >> and will be migrating into libMesh and generalizing (beyond H1 conforming >> elements) hopefully very soon. We will make a formal announcement on the >> lists once it's more "beta" to help shake out the interface for the users. >> It is being hooked into PETSc's DM infrastructure, so PETSc will be required. > > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
