param_file.petsc

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# --- Problem: poisson_2d_nonhomogeneous, poisson_2d_lagrange_multiplier
 
-ksp_type fgmres 
 
## Linear solver (non-fieldsplit)
#-pc_type lu 
-pc_factor_mat_solver_type mumps
-mat_mumps_icntl_20 0
-ksp_monitor
 
## Fieldsplit (block) solver
-pc_type fieldsplit
-pc_fieldsplit_type multiplicative
-fieldsplit_0_ksp_type preonly 
-fieldsplit_0_pc_type lu 
-fieldsplit_0_ksp_reuse_preconditioner 1
-fieldsplit_0_pc_factor_mat_solver_type mumps
-fieldsplit_1_ksp_type preonly 
-fieldsplit_1_pc_type lu 
-fieldsplit_1_pc_factor_mat_solver_type mumps 
 
# ---