overland_flux.PhaseSources.water.Geom.domain.Value = 0.0 #----------------------------------------------------------------------------- # Exact solution specification for error calculations #----------------------------------------------------------------------------- overland_flux.KnownSolution = 'NoKnownSolution' #----------------------------------------------------------------------------- # Set solver parameters #----------------------------------------------------------------------------- overland_flux.Solver = 'Richards' overland_flux.Solver.MaxIter = 2500 overland_flux.OverlandFlowDiffusive = 0 overland_flux.Solver.Nonlinear.MaxIter = 20 overland_flux.Solver.Nonlinear.ResidualTol = 1e-9 overland_flux.Solver.Nonlinear.EtaChoice = 'EtaConstant' overland_flux.Solver.Nonlinear.EtaValue = 0.01 overland_flux.Solver.Nonlinear.UseJacobian = False overland_flux.Solver.Nonlinear.UseJacobian = True overland_flux.Solver.Nonlinear.DerivativeEpsilon = 1e-8 overland_flux.Solver.Nonlinear.StepTol = 1e-20 overland_flux.Solver.Nonlinear.Globalization = 'LineSearch' overland_flux.Solver.Linear.KrylovDimension = 20 overland_flux.Solver.Linear.MaxRestart = 2 overland_flux.Solver.Linear.Preconditioner = 'PFMGOctree'
sandtank.PhaseSources.water.GeomNames = 'domain' sandtank.PhaseSources.water.Geom.domain.Value = 0.0 # ----------------------------------------------------------------------------- # Exact solution specification for error calculations # ----------------------------------------------------------------------------- sandtank.KnownSolution = 'NoKnownSolution' # ----------------------------------------------------------------------------- # Set solver parameters # ----------------------------------------------------------------------------- sandtank.Solver = 'Richards' sandtank.Solver.MaxIter = 2500000 sandtank.OverlandFlowDiffusive = 0 sandtank.Solver.Nonlinear.MaxIter = 100 sandtank.Solver.Nonlinear.ResidualTol = 1e-5 sandtank.Solver.Nonlinear.EtaValue = 0.01 sandtank.Solver.Nonlinear.UseJacobian = False sandtank.Solver.Nonlinear.UseJacobian = True sandtank.Solver.Nonlinear.DerivativeEpsilon = 1e-8 sandtank.Solver.Nonlinear.StepTol = 1e-20 sandtank.Solver.Nonlinear.Globalization = 'LineSearch' sandtank.Solver.Linear.KrylovDimension = 100 sandtank.Solver.Linear.MaxRestarts = 5 sandtank.Solver.Linear.Preconditioner = 'PFMG' sandtank.Solver.PrintSubsurf = False sandtank.Solver.Drop = 1E-20
