# SNES (nonlinear solver) options
# Newton method
-waternet_snes_type newtonls
# Absolute and relative tolerances
-waternet_snes_atol 1e-8
-waternet_snes_rtol 1e-20
# Line search method (bt and secant lead to convergence, basic diverges)
-waternet_snes_linesearch_type secant
# Finite differenced Jacobian
-waternet_snes_fd

# KSP (linear solver) options
-waternet_ksp_type gmres

# PC (preconditioner) options
-waternet_pc_type bjacobi
-waternet_sub_pc_type lu
-waternet_sub_pc_factor_mat_ordering_type qmd