param_file.petsc

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-pc_type lu  
-pc_factor_mat_solver_type mumps  
-mat_mumps_icntl_20 0
#-ksp_monitor
 
-snes_atol 1e-8
-snes_rtol 1e-8
-snes_max_linear_solve_fail -1
#-snes_converged_reason
-snes_linesearch_type bt
-snes_linesearch_monitor 
-snes_max_it 20
 
-ts_max_time 2
-ts_exact_final_time matchstep
-ts_dt 0.05
-ts_max_snes_failures -1
-ts_error_if_step_fails false
-ts_adapt_type none
 
-ts_monitor
-ts_adapt_monitor
 
-st_ksp_type preonly 
-st_pc_type lu 
-st_pc_factor_mat_solver_type mumps
-st_mat_mumps_icntl_20 0
 
-eps_monitor 
-eps_tol 1e-4
-eps_nev 5
-eps_ncv 400
-eps_max_it 500
-eps_krylovschur_restart 0.9