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https://github.com/OPM/opm-simulators.git
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123 lines
5.5 KiB
C++
123 lines
5.5 KiB
C++
/*
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Copyright 2019 SINTEF Digital, Mathematics and Cybernetics.
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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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#include <config.h>
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#include <opm/simulators/linalg/setupPropertyTree.hpp>
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#include <boost/version.hpp>
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#include <boost/property_tree/json_parser.hpp>
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namespace Opm
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{
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/// Set up a property tree intended for FlexibleSolver by either reading
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/// the tree from a JSON file or creating a tree giving the default solver
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/// and preconditioner. If the latter, the parameters --linear-solver-reduction,
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/// --linear-solver-maxiter and --linear-solver-verbosity are used, but if reading
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/// from file the data in the JSON file will override any other options.
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template<class TypeTag>
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boost::property_tree::ptree
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setupPropertyTree(const FlowLinearSolverParameters& p)
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{
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boost::property_tree::ptree prm;
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if (p.linear_solver_configuration_ == "file") {
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#if BOOST_VERSION / 100 % 1000 > 48
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if (p.linear_solver_configuration_json_file_ == "none"){
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OPM_THROW(std::invalid_argument,
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"--linear-solver-configuration=file requires that a filename "
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<< "is passed with "
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<< "--linear-solver-configuration-json-file=filename.");
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}else{
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boost::property_tree::read_json(p.linear_solver_configuration_json_file_, prm);
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}
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#else
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OPM_THROW(std::invalid_argument,
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"--linear-solver-configuration=file not supported with "
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<< "boost version. Needs versoin > 1.48.");
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#endif
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}
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else
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{
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std::string conf = p.linear_solver_configuration_;
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// Support old UseCpr if not configuration was set
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if (!EWOMS_PARAM_IS_SET(TypeTag, std::string, LinearSolverConfiguration) && p.use_cpr_)
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{
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conf = "cpr_trueimpes";
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}
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if((conf == "cpr_trueimpes") || (conf == "cpr_quasiimpes")){
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prm.put("tol", p.linear_solver_reduction_);
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if (EWOMS_PARAM_IS_SET(TypeTag, int, LinearSolverMaxIter))
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prm.put("maxiter", p.linear_solver_maxiter_);// Trust that the user knows what he does
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else
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prm.put("maxiter", 20); // Use our own default.
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prm.put("verbosity", p.linear_solver_verbosity_);
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prm.put("solver", "bicgstab");
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prm.put("preconditioner.type", "cpr");
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if (conf == "cpr_quasiimpes" )
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{
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prm.put("preconditioner.weight_type","quasiimpes");
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}
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else
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{
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prm.put("preconditioner.weight_type","trueimpes");
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}
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prm.put("preconditioner.finesmoother.type", "ParOverILU0");
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prm.put("preconditioner.finesmoother.relaxation", 1.0);
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prm.put("preconditioner.pressure_var_index",1);
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prm.put("preconditioner.verbosity",0);
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prm.put("preconditioner.coarsesolver.maxiter",1);
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prm.put("preconditioner.coarsesolver.tol",1e-1);
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prm.put("preconditioner.coarsesolver.solver","loopsolver");
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prm.put("preconditioner.coarsesolver.verbosity",0);
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prm.put("preconditioner.coarsesolver.preconditioner.type","amg");
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prm.put("preconditioner.coarsesolver.preconditioner.alpha",0.333333333333);
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prm.put("preconditioner.coarsesolver.preconditioner.relaxation",1.0);
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if (EWOMS_PARAM_IS_SET(TypeTag, int, CprMaxEllIter))
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prm.put("preconditioner.coarsesolver.preconditioner.iterations", p.cpr_max_ell_iter_);
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else
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prm.put("preconditioner.coarsesolver.preconditioner.iterations",1);
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prm.put("preconditioner.coarsesolver.preconditioner.coarsenTarget",1200);
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prm.put("preconditioner.coarsesolver.preconditioner.pre_smooth",1);
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prm.put("preconditioner.coarsesolver.preconditioner.post_smooth",1);
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prm.put("preconditioner.coarsesolver.preconditioner.beta",1e-5);
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prm.put("preconditioner.coarsesolver.preconditioner.smoother","ILU0");
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prm.put("preconditioner.coarsesolver.preconditioner.verbosity",0);
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prm.put("preconditioner.coarsesolver.preconditioner.maxlevel",15);
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prm.put("preconditioner.coarsesolver.preconditioner.skip_isolated",0);
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} else {
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if(conf != "ilu0"){
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OPM_THROW(std::invalid_argument, conf << "is not a valid setting for --linear-solver-configuration."
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<< " Please use ilu0, cpr_trueimpes, or cpr_quasiimpes");
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}
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prm.put("tol", p.linear_solver_reduction_);
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prm.put("maxiter", p.linear_solver_maxiter_);
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prm.put("verbosity", p.linear_solver_verbosity_);
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prm.put("solver", "bicgstab");
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prm.put("preconditioner.type", "ParOverILU0");
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prm.put("preconditioner.relaxation", p.ilu_relaxation_);
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prm.put("preconditioner.ilulevel", p.ilu_fillin_level_);
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}
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}
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return prm;
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}
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} // namespace Opm
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