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247 lines
12 KiB
C++
247 lines
12 KiB
C++
/*
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Copyright 2015 SINTEF ICT, Applied Mathematics.
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Copyright 2015 IRIS AS
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Copyright 2015 Dr. Blatt - HPC-Simulation-Software & Services
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Copyright 2015 NTNU
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Copyright 2015 Statoil AS
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_FLOWLINEARSOLVERPARAMETERS_HEADER_INCLUDED
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#define OPM_FLOWLINEARSOLVERPARAMETERS_HEADER_INCLUDED
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#include <opm/common/utility/parameters/ParameterGroup.hpp>
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#include <opm/autodiff/ParallelOverlappingILU0.hpp>
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#include <ewoms/common/parametersystem.hh>
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#include <array>
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#include <memory>
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BEGIN_PROPERTIES
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NEW_TYPE_TAG(FlowIstlSolverParams);
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NEW_PROP_TAG(Scalar);
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NEW_PROP_TAG(LinearSolverReduction);
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NEW_PROP_TAG(IluRelaxation);
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NEW_PROP_TAG(LinearSolverMaxIter);
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NEW_PROP_TAG(LinearSolverRestart);
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NEW_PROP_TAG(FlowLinearSolverVerbosity);
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NEW_PROP_TAG(IluFillinLevel);
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NEW_PROP_TAG(MiluVariant);
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NEW_PROP_TAG(IluRedblack);
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NEW_PROP_TAG(IluReorderSpheres);
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NEW_PROP_TAG(UseGmres);
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NEW_PROP_TAG(LinearSolverRequireFullSparsityPattern);
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NEW_PROP_TAG(LinearSolverIgnoreConvergenceFailure);
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NEW_PROP_TAG(UseAmg);
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NEW_PROP_TAG(UseCpr);
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SET_SCALAR_PROP(FlowIstlSolverParams, LinearSolverReduction, 1e-2);
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SET_SCALAR_PROP(FlowIstlSolverParams, IluRelaxation, 0.9);
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SET_INT_PROP(FlowIstlSolverParams, LinearSolverMaxIter, 200);
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SET_INT_PROP(FlowIstlSolverParams, LinearSolverRestart, 40);
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SET_INT_PROP(FlowIstlSolverParams, FlowLinearSolverVerbosity, 0);
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SET_INT_PROP(FlowIstlSolverParams, IluFillinLevel, 0);
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SET_STRING_PROP(FlowIstlSolverParams, MiluVariant, "ILU");
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SET_BOOL_PROP(FlowIstlSolverParams, IluRedblack, false);
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SET_BOOL_PROP(FlowIstlSolverParams, IluReorderSpheres, false);
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SET_BOOL_PROP(FlowIstlSolverParams, UseGmres, false);
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SET_BOOL_PROP(FlowIstlSolverParams, LinearSolverRequireFullSparsityPattern, false);
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SET_BOOL_PROP(FlowIstlSolverParams, LinearSolverIgnoreConvergenceFailure, false);
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SET_BOOL_PROP(FlowIstlSolverParams, UseAmg, false);
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SET_BOOL_PROP(FlowIstlSolverParams, UseCpr, false);
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END_PROPERTIES
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namespace Opm
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{
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/**
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* \brief Parameters used to configure the CPRPreconditioner.
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*/
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struct CPRParameter
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{
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double cpr_relax_;
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double cpr_solver_tol_;
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int cpr_ilu_n_;
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MILU_VARIANT cpr_ilu_milu_;
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bool cpr_ilu_redblack_;
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bool cpr_ilu_reorder_sphere_;
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int cpr_max_ell_iter_;
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bool cpr_use_amg_;
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bool cpr_use_bicgstab_;
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bool cpr_solver_verbose_;
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bool cpr_pressure_aggregation_;
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CPRParameter() { reset(); }
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CPRParameter( const ParameterGroup& param)
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{
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// reset values to default
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reset();
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cpr_relax_ = param.getDefault("cpr_relax", cpr_relax_);
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cpr_solver_tol_ = param.getDefault("cpr_solver_tol", cpr_solver_tol_);
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cpr_ilu_n_ = param.getDefault("cpr_ilu_n", cpr_ilu_n_);
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cpr_ilu_redblack_ = param.getDefault("ilu_redblack", cpr_ilu_redblack_);
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cpr_ilu_reorder_sphere_ = param.getDefault("ilu_reorder_sphere", cpr_ilu_reorder_sphere_);
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cpr_max_ell_iter_ = param.getDefault("cpr_max_elliptic_iter",cpr_max_ell_iter_);
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cpr_use_amg_ = param.getDefault("cpr_use_amg", cpr_use_amg_);
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cpr_use_bicgstab_ = param.getDefault("cpr_use_bicgstab", cpr_use_bicgstab_);
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cpr_solver_verbose_ = param.getDefault("cpr_solver_verbose", cpr_solver_verbose_);
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cpr_pressure_aggregation_ = param.getDefault("cpr_pressure_aggregation", cpr_pressure_aggregation_);
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std::string milu("ILU");
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cpr_ilu_milu_ = convertString2Milu(param.getDefault("ilu_milu", milu));
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}
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void reset()
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{
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cpr_relax_ = 1.0;
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cpr_solver_tol_ = 1e-2;
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cpr_ilu_n_ = 0;
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cpr_ilu_milu_ = MILU_VARIANT::ILU;
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cpr_ilu_redblack_ = false;
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cpr_ilu_reorder_sphere_ = true;
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cpr_max_ell_iter_ = 25;
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cpr_use_amg_ = true;
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cpr_use_bicgstab_ = true;
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cpr_solver_verbose_ = false;
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cpr_pressure_aggregation_ = false;
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}
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};
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/// This class carries all parameters for the NewtonIterationBlackoilInterleaved class.
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struct FlowLinearSolverParameters
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: public CPRParameter
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{
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double linear_solver_reduction_;
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double ilu_relaxation_;
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int linear_solver_maxiter_;
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int linear_solver_restart_;
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int linear_solver_verbosity_;
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int ilu_fillin_level_;
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Opm::MILU_VARIANT ilu_milu_;
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bool ilu_redblack_;
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bool ilu_reorder_sphere_;
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bool newton_use_gmres_;
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bool require_full_sparsity_pattern_;
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bool ignoreConvergenceFailure_;
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bool linear_solver_use_amg_;
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bool use_cpr_;
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template <class TypeTag>
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void init()
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{
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// TODO: these parameters have undocumented non-trivial dependencies
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linear_solver_reduction_ = EWOMS_GET_PARAM(TypeTag, double, LinearSolverReduction);
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ilu_relaxation_ = EWOMS_GET_PARAM(TypeTag, double, IluRelaxation);
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linear_solver_maxiter_ = EWOMS_GET_PARAM(TypeTag, int, LinearSolverMaxIter);
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linear_solver_restart_ = EWOMS_GET_PARAM(TypeTag, int, LinearSolverRestart);
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linear_solver_verbosity_ = EWOMS_GET_PARAM(TypeTag, int, FlowLinearSolverVerbosity);
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ilu_fillin_level_ = EWOMS_GET_PARAM(TypeTag, int, IluFillinLevel);
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ilu_milu_ = convertString2Milu(EWOMS_GET_PARAM(TypeTag, std::string, MiluVariant));
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ilu_redblack_ = EWOMS_GET_PARAM(TypeTag, bool, IluRedblack);
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ilu_reorder_sphere_ = EWOMS_GET_PARAM(TypeTag, bool, IluReorderSpheres);
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newton_use_gmres_ = EWOMS_GET_PARAM(TypeTag, bool, UseGmres);
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require_full_sparsity_pattern_ = EWOMS_GET_PARAM(TypeTag, bool, LinearSolverRequireFullSparsityPattern);
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ignoreConvergenceFailure_ = EWOMS_GET_PARAM(TypeTag, bool, LinearSolverIgnoreConvergenceFailure);
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linear_solver_use_amg_ = EWOMS_GET_PARAM(TypeTag, bool, UseAmg);
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use_cpr_ = EWOMS_GET_PARAM(TypeTag, bool, UseCpr);
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}
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template <class TypeTag>
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static void registerParameters()
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{
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EWOMS_REGISTER_PARAM(TypeTag, double, LinearSolverReduction, "The minimum reduction of the residual which the linear solver must achieve");
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EWOMS_REGISTER_PARAM(TypeTag, double, IluRelaxation, "The relaxation factor of the linear solver's ILU preconditioner");
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EWOMS_REGISTER_PARAM(TypeTag, int, LinearSolverMaxIter, "The maximum number of iterations of the linear solver");
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EWOMS_REGISTER_PARAM(TypeTag, int, LinearSolverRestart, "The number of iterations after which GMRES is restarted");
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EWOMS_REGISTER_PARAM(TypeTag, int, FlowLinearSolverVerbosity, "The verbosity level of the linear solver (0: off, 2: all)");
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EWOMS_REGISTER_PARAM(TypeTag, int, IluFillinLevel, "The fill-in level of the linear solver's ILU preconditioner");
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EWOMS_REGISTER_PARAM(TypeTag, std::string, MiluVariant, "Specify which variant of the modified-ILU preconditioner ought to be used. Possible variants are: ILU (default, plain ILU), MILU_1 (lump diagonal with dropped row entries), MILU_2 (lump diagonal with the sum of the absolute values of the dropped row entries), MILU_3 (if diagonal is positive add sum of dropped row entrires. Otherwise substract them), MILU_4 (if diagonal is positive add sum of dropped row entrires. Otherwise do nothing");
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EWOMS_REGISTER_PARAM(TypeTag, bool, IluRedblack, "Use red-black partioning for the ILU preconditioner");
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EWOMS_REGISTER_PARAM(TypeTag, bool, IluReorderSpheres, "Whether to reorder the entries of the matrix in the red-black ILU preconditioner in spheres starting at an edge. If false the original ordering is preserved in each color. Otherwise why try to ensure D4 ordering (in a 2D structured grid, the diagonal elements are consecutive).");
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EWOMS_REGISTER_PARAM(TypeTag, bool, UseGmres, "Use GMRES as the linear solver");
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EWOMS_REGISTER_PARAM(TypeTag, bool, LinearSolverRequireFullSparsityPattern, "Produce the full sparsity pattern for the linear solver");
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EWOMS_REGISTER_PARAM(TypeTag, bool, LinearSolverIgnoreConvergenceFailure, "Continue with the simulation like nothing happened after the linear solver did not converge");
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EWOMS_REGISTER_PARAM(TypeTag, bool, UseAmg, "Use AMG as the linear solver's preconditioner");
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EWOMS_REGISTER_PARAM(TypeTag, bool, UseCpr, "Use CPR as the linear solver's preconditioner");
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}
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FlowLinearSolverParameters() { reset(); }
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// read values from parameter class
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FlowLinearSolverParameters( const ParameterGroup& param )
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: CPRParameter(param)
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{
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// set default parameters
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reset();
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// read parameters (using previsouly set default values)
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newton_use_gmres_ = param.getDefault("newton_use_gmres", newton_use_gmres_ );
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linear_solver_reduction_ = param.getDefault("linear_solver_reduction", linear_solver_reduction_ );
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linear_solver_maxiter_ = param.getDefault("linear_solver_maxiter", linear_solver_maxiter_);
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linear_solver_restart_ = param.getDefault("linear_solver_restart", linear_solver_restart_);
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linear_solver_verbosity_ = param.getDefault("linear_solver_verbosity", linear_solver_verbosity_);
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require_full_sparsity_pattern_ = param.getDefault("require_full_sparsity_pattern", require_full_sparsity_pattern_);
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ignoreConvergenceFailure_ = param.getDefault("linear_solver_ignoreconvergencefailure", ignoreConvergenceFailure_);
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linear_solver_use_amg_ = param.getDefault("linear_solver_use_amg", linear_solver_use_amg_ );
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ilu_relaxation_ = param.getDefault("ilu_relaxation", ilu_relaxation_ );
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ilu_fillin_level_ = param.getDefault("ilu_fillin_level", ilu_fillin_level_ );
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ilu_redblack_ = param.getDefault("ilu_redblack", cpr_ilu_redblack_);
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ilu_reorder_sphere_ = param.getDefault("ilu_reorder_sphere", cpr_ilu_reorder_sphere_);
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std::string milu("ILU");
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ilu_milu_ = convertString2Milu(param.getDefault("ilu_milu", milu));
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// Check whether to use cpr approach
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const std::string cprSolver = "cpr";
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use_cpr_ = ( param.getDefault("solver_approach", std::string()) == cprSolver );
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}
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// set default values
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void reset()
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{
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use_cpr_ = false;
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newton_use_gmres_ = false;
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linear_solver_reduction_ = 1e-2;
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linear_solver_maxiter_ = 150;
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linear_solver_restart_ = 40;
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linear_solver_verbosity_ = 0;
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require_full_sparsity_pattern_ = false;
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ignoreConvergenceFailure_ = false;
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linear_solver_use_amg_ = false;
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ilu_fillin_level_ = 0;
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ilu_relaxation_ = 0.9;
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ilu_milu_ = MILU_VARIANT::ILU;
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ilu_redblack_ = false;
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ilu_reorder_sphere_ = true;
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}
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};
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} // namespace Opm
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#endif // OPM_FLOWLINEARSOLVERPARAMETERS_HEADER_INCLUDED
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