Awesome, thanks to all, I'll give you guys some feedback if I come up with something interesting.
On Sat, Mar 5, 2016 at 10:27 AM, Derek Gaston <fried...@gmail.com> wrote: > 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 >> > -- Giorgio Bornia, Ph.D. Assistant Professor Department of Mathematics and Statistics Texas Tech University Lubbock, TX 79409-1042 phone: +1 806.834.8754 fax: +1 806.742.1112 website: http://www.math.ttu.edu/~gbornia ------------------------------------------------------------------------------ _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
