On Wed, Jan 11, 2017 at 1:29 PM, gmail <a.mesgarne...@gmail.com> wrote:
> Hi all, > > I am working with a relatively large 3D exodusII meshes 15-50 M elements > that I create using Trelis (CUBIT). Right now I have crude procedure to > pre-partition this mesh on a machine with a large memory basically by > reading it in a small libMesh program and then writing it out as a nemesis > series. This is not ideal and I would like to find a way to pre-partition > this mesh on my office machine (or a small cluster) for any number of CPUs. > I searched through the mailing list and have found this thread: > https://sourceforge.net/p/libmesh/mailman/message/30919725/ < > https://sourceforge.net/p/libmesh/mailman/message/30919725/> that > suggests use of SEACAS or using meshtools to save the mesh into an XDR > format. I had little success with the first method since the documentation > for SEACAS are incomplete. I managed to create a partition using nem_slice > but could not make nem_spread work (probably not doing the inp file > correctly). > > I would like to ask the developers as well as the members of mailing list > to comment and share their procedure dealing with large meshes. > Have you had a chance to try the src/apps/splitter.C code. It was recently added by Derek to do exactly what you are asking about. -- John ------------------------------------------------------------------------------ Developer Access Program for Intel Xeon Phi Processors Access to Intel Xeon Phi processor-based developer platforms. With one year of Intel Parallel Studio XE. Training and support from Colfax. Order your platform today. http://sdm.link/xeonphi _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
