param_file.petsc

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-pc_type lu  
-pc_factor_mat_solver_type mumps  
-ksp_monitor
 
-mat_mumps_icntl_20 0
-mat_mumps_icntl_14 800 
-mat_mumps_icntl_24 1 
-mat_mumps_icntl_13 1
 
-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 stepover
-ts_dt 0.05
-ts_max_snes_failures -1
-ts_error_if_step_fails false
-ts_adapt_type none
 
-ts_monitor
-ts_adapt_monitor