solver_parameters.py

gamg_parameters = {
    "ksp_type": "cg",
    "ksp_max_it": 200,
    "pc_type": "gamg",
    "mat_type": "aij",
    "ksp_converged_reason": None,
    "mg_levels_esteig_ksp_type": "cg",
    "mg_levels_ksp_chebyshev_esteig_steps": 50,
    "mg_levels_ksp_type": "chebyshev",
    "mg_levels_pc_type": "sor",
    "pc_gamg_type": "agg",
    "pc_gamg_agg_nsmooths": 1,
    "pc_gamg_threshold": 0.01,
}

hypre_params = {
    "ksp_type": "cg",
    "ksp_rtol": 1e-6,
    "pc_type": "hypre",
    "pc_hypre_type": "boomeramg",
    "pc_hypre_boomeramg_max_iter": 5,
    "pc_hypre_boomeramg_coarsen_type": "PMIS",
    "pc_hypre_boomeramg_agg_nl": 2,
    "pc_hypre_boomeramg_strong_threshold": 0.95,
    "pc_hypre_boomeramg_interp_type": "ext+i",
    "pc_hypre_boomeramg_P_max": 2,
    "pc_hypre_boomeramg_relax_type_all": "sequential-Gauss-Seidel",
    "pc_hypre_boomeramg_grid_sweeps_all": 1,
    "pc_hypre_boomeramg_truncfactor": 0.3,
    "pc_hypre_boomeramg_max_levels": 6,
    "ksp_max_it": 200,
    "ksp_converged_maxits": None,
}