Cool link John, I may need something like that myself... I wonder if it has a volume preserving meshing capability... On Sat, Mar 5, 2016 at 9:00 AM John Peterson <jwpeter...@gmail.com> wrote:
> > > > On Mar 5, 2016, at 1:12 AM, Giorgio Bornia <giorgio.bor...@gmail.com> > wrote: > > > > My starting point is a fine mesh of a real geometry that was generated > by someone else. > > To be more precise, what I have is an STL geometry of a surface which is > made of rather fine triangles. > > I have an algorithm to generate the mesh in the volume enclosed by the > surface, but this volume mesh will be very fine, as it starts from a fine > STL file. > > > > So, I was thinking of coarsening the STL first (at least where I need > less resolution, say in flatter regions) > > and rerun my algorithm, which will then create a coarser mesh. > > > > I need a mesh as coarse as possible to begin with, because I am building > geometric multigrid operators on it, > > so I start from a coarse level and I build projections (I will then get > the restrictors as transposes). > > > > Any suggestions? > > I just heard a talk that mentioned GRUMMP from UBC. > > > http://tetra.mech.ubc.ca/GRUMMP/ > > It is supposed to do volume preserving coarsening, and the speaker was > using it for MG type methods. I haven't used it myself though. > > ------------------------------------------------------------------------------ > _______________________________________________ > Libmesh-users mailing list > Libmesh-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libmesh-users > ------------------------------------------------------------------------------ _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
