param_file.petsc

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-ksp_type gmres
#-ksp_monitor
 
-pc_type lu  
-pc_factor_mat_solver_type mumps  
 
-snes_atol 1e-8
-snes_rtol 1e-8
-snes_max_linear_solve_fail -1
#-snes_converged_reason
-snes_linesearch_type basic
-snes_linesearch_monitor 
-snes_max_it 20
 
-ts_max_time 1.
#-ts_exact_final_time 1
-ts_dt 1.
-ts_max_snes_failures -1
-ts_error_if_step_fails 0
-ts_adapt_type none
 
-ts_type beuler
 
-ts_monitor
-ts_adapt_monitor
 
-pc_type fieldsplit 
 
-pc_fieldsplit_type schur
-fieldsplit_0_ksp_type preonly
-fieldsplit_0_pc_type lu 
-fieldsplit_0_pc_factor_mat_solver_type mumps
 
# Igtations is better to use LU for field split 1 for workshop
 
-fieldsplit_1_ksp_type cg
#-fieldsplit_1_ksp_monitor 
#-fieldsplit_1_pc_type lu 
-fieldsplit_1_pc_factor_mat_solver_type mumps 
-fieldsplit_1_pc_type gamg
-fieldsplit_1_pc_mg_smoothup 1
-fieldsplit_1_pc_mg_smoothdown 1
-fieldsplit_1_pc_gamg_reuse_interpolation 1
-fieldsplit_1_ksp_atol 1e-12
-fieldsplit_1_ksp_rtol 1e-12
 
-mat_mumps_icntl_20 0
-mat_mumps_icntl_14 800 
-mat_mumps_icntl_24 1 
-mat_mumps_icntl_13 1
-fieldsplit_0_mat_mumps_icntl_14 800 
-fieldsplit_0_mat_mumps_icntl_24 1 
-fieldsplit_0_mat_mumps_icntl_13 1
-fieldsplit_0_mat_mumps_icntl_20 0
-fieldsplit_1_mat_mumps_icntl_14 800 
-fieldsplit_1_mat_mumps_icntl_24 1 
-fieldsplit_1_mat_mumps_icntl_13 1
-fieldsplit_1_mat_mumps_icntl_20 0