Hi Simone, I will try VTK format. I have tried NemesisIO few days ago. It can output multiple files from each processor in parallel. However, when I tried to open these files with paraview, the paraview reports an error, saying "cannot find any mesh". Does it mean I need to write out mesh files in parallel as well? Do I need to serialize the mesh in this case?
Thanks Ken ________________________________ From: Simone Rossi <simioftheclo...@gmail.com> Sent: Saturday, January 26, 2019 12:17 AM To: Bin Liu Cc: libmesh-users@lists.sourceforge.net Subject: Re: [Libmesh-users] output results of very huge mesh Hey Ken, have you tried using VTK to export your solution? It exports a file per processor with only local information. There may be other solutions available, but I’m using VTK to export the solution in parallel. I hope it helps, Simone On Jan 25, 2019, at 2:09, Bin Liu <kenneth....@hotmail.com> wrote: > Hi, > I have written a mpi finite element program to solve a very large 3D problem, > around 50 millions nodes. I have been able to split the mesh and read these > decomposed mesh from each processors. However, I have a big problem to output > the results for visualization. > > From my understanding, I should Serialize the mesh temporarily and output the > mesh and solutions together. However, this serialization of mesh is very > inefficient on one processor and takes a huge amount of memory and time to > generate it. > > Is there any way to write out the mesh and solutions together from each > processor in parallel? It is not a problem for me to post-process them, as > long as they are mesh and solution are exported. > > Thanks > Ken > > _______________________________________________ > 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
