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_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 15
-eps_ncv 400
-eps_max_it 500
-eps_krylovschur_restart 0.9