On Tue, Mar 14, 2017 at 7:48 PM, Kathrin Smetana <[email protected]> wrote:
> Hi John, > > Thanks very much for your answer and sorry for forgetting to let you know > the command line options. > > I am using the following command line options: > > ./example-opt -ksp_type preonly -pctype lu -pc_factor_mat_solver_package > mumps > > So, if I understood everything correctly this should use a sparse LU > decomposition to solve the system and not ILU? > > Thanks again, > Kathrin > It should be "-pc_type", not "-pctype". David > > > Am 14.03.2017 um 18:43 schrieb John Peterson <[email protected]<mailto: > [email protected]>>: > > > > On Tue, Mar 14, 2017 at 4:59 PM, Kathrin Smetana <[email protected]<mailto: > [email protected]>> wrote: > > I believe this error: > > [0]PETSC ERROR: --------------------- Error Message > -------------------------------------------------------------- > [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/ > linearsolvertable.html for possible LU and Cholesky solvers > [0]PETSC ERROR: MatSolverPackage mumps does not support factorization type > ILU for matrix type seqaij > > is saying that you can't use ILU preconditioning when you pass > "-pc_factor_mat_solver_package mumps" on the command line. > > You didn't say what command line options you are using, though so I'm just > guessing that's the problem. > > -- > John > > ------------------------------------------------------------ > ------------------ > 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 > ------------------------------------------------------------------------------ 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
