param_file.petsc

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#-pc_type lu  
#-pc_factor_mat_solver_type mumps 
#-mat_mumps_icntl_20 0 
#-ksp_monitor
#-ksp_converged_reason
 
-pc_type gamg
 
-snes_rtol 1e-8 
-snes_atol 1e-12 
-snes_max_linear_solve_fail -1
-snes_converged_reason
-snes_linesearch_type basic
-snes_linesearch_monitor 
-snes_max_it 20
-snes_monitor
 
#-ts_type theta 
#-ts_theta_theta 0.5 
#-ts_theta_endpoint
#-ts_theta_theta 1
#-ts_theta_initial_guess_extrapolate 1
 
-ts_type alpha
-ts_alpha_radius 0.75
 
#-ts_type rk
 
-ts_exact_final_time matchstep
-ts_max_time 1728000
-ts_max_steps 40000
-ts_dt 1e2
-ts_max_snes_failures -1
-ts_error_if_step_fails false
-ts_adapt_type none
-ts_monitor
#-ts_adapt_monitor 
 
-mat_mumps_icntl_14 800 
-mat_mumps_icntl_24 1 
-mat_mumps_icntl_13 1
-mat_mumps_icntl_20 0
 
-ksp_type gmres
#-ksp_monitor
 
-pc_type fieldsplit 
#-pc_fieldsplit_type schur
#-pc_fieldsplit_schur_precondition selfp
-pc_fieldsplit_type multiplicative
 
-fieldsplit_0_ksp_type preonly
#-fieldsplit_0_pc_type lu
#-fieldsplit_0_pc_factor_mat_solver_type mumps
-fieldsplit_0_pc_type gamg
-fieldsplit_0_pc_mg_smoothup 1
-fieldsplit_0_pc_mg_smoothdown 1
#-fieldsplit_0_pc_gamg_reuse_interpolation 1
 
-fieldsplit_1_ksp_type preonly
#-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