mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-22 15:33:29 -06:00
121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/*
|
|
Copyright 2019 SINTEF Digital, Mathematics and Cybernetics.
|
|
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#define BOOST_TEST_MODULE OPM_test_FlexibleSolver
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
#include <opm/simulators/linalg/FlexibleSolver.hpp>
|
|
#include <opm/simulators/linalg/getQuasiImpesWeights.hpp>
|
|
#include <opm/simulators/linalg/matrixblock.hh>
|
|
#include <opm/simulators/linalg/PropertyTree.hpp>
|
|
|
|
#include <dune/common/fmatrix.hh>
|
|
#include <dune/istl/bcrsmatrix.hh>
|
|
#include <dune/istl/matrixmarket.hh>
|
|
|
|
#include <fstream>
|
|
#include <iostream>
|
|
|
|
|
|
template <int bz>
|
|
Dune::BlockVector<Dune::FieldVector<double, bz>>
|
|
testSolver(const Opm::PropertyTree& prm, const std::string& matrix_filename, const std::string& rhs_filename)
|
|
{
|
|
using Matrix = Dune::BCRSMatrix<Opm::MatrixBlock<double, bz, bz>>;
|
|
using Vector = Dune::BlockVector<Dune::FieldVector<double, bz>>;
|
|
Matrix matrix;
|
|
{
|
|
std::ifstream mfile(matrix_filename);
|
|
if (!mfile) {
|
|
throw std::runtime_error("Could not read matrix file");
|
|
}
|
|
using M = Dune::BCRSMatrix<Dune::FieldMatrix<double, bz, bz>>;
|
|
readMatrixMarket(reinterpret_cast<M&>(matrix), mfile); // Hack to avoid hassle
|
|
}
|
|
Vector rhs;
|
|
{
|
|
std::ifstream rhsfile(rhs_filename);
|
|
if (!rhsfile) {
|
|
throw std::runtime_error("Could not read rhs file");
|
|
}
|
|
readMatrixMarket(rhs, rhsfile);
|
|
}
|
|
bool transpose = false;
|
|
|
|
if(prm.get<std::string>("preconditioner.type") == "cprt"){
|
|
transpose = true;
|
|
}
|
|
auto wc = [&matrix, transpose]()
|
|
{
|
|
return Opm::Amg::getQuasiImpesWeights<Matrix, Vector>(matrix, 1, transpose);
|
|
};
|
|
|
|
using SeqOperatorType = Dune::MatrixAdapter<Matrix, Vector, Vector>;
|
|
SeqOperatorType op(matrix);
|
|
Dune::FlexibleSolver<SeqOperatorType> solver(op, prm, wc, 1);
|
|
Vector x(rhs.size());
|
|
Dune::InverseOperatorResult res;
|
|
solver.apply(x, rhs, res);
|
|
return x;
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(TestFlexibleSolver)
|
|
{
|
|
// Read parameters.
|
|
Opm::PropertyTree prm("options_flexiblesolver.json");
|
|
|
|
// Test with 1x1 block solvers.
|
|
{
|
|
const int bz = 1;
|
|
auto sol = testSolver<bz>(prm, "matr33.txt", "rhs3.txt");
|
|
Dune::BlockVector<Dune::FieldVector<double, bz>> expected {-1.62493,
|
|
-1.76435e-06,
|
|
1.86991e-10,
|
|
-458.542,
|
|
2.28308e-06,
|
|
-2.45341e-07,
|
|
-1.48005,
|
|
-5.02264e-07,
|
|
-1.049e-05};
|
|
BOOST_REQUIRE_EQUAL(sol.size(), expected.size());
|
|
for (size_t i = 0; i < sol.size(); ++i) {
|
|
for (int row = 0; row < bz; ++row) {
|
|
BOOST_CHECK_CLOSE(sol[i][row], expected[i][row], 1e-3);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test with 3x3 block solvers.
|
|
{
|
|
const int bz = 3;
|
|
auto sol = testSolver<bz>(prm, "matr33.txt", "rhs3.txt");
|
|
Dune::BlockVector<Dune::FieldVector<double, bz>> expected {{-1.62493, -1.76435e-06, 1.86991e-10},
|
|
{-458.542, 2.28308e-06, -2.45341e-07},
|
|
{-1.48005, -5.02264e-07, -1.049e-05}};
|
|
BOOST_REQUIRE_EQUAL(sol.size(), expected.size());
|
|
for (size_t i = 0; i < sol.size(); ++i) {
|
|
for (int row = 0; row < bz; ++row) {
|
|
BOOST_CHECK_CLOSE(sol[i][row], expected[i][row], 1e-3);
|
|
}
|
|
}
|
|
}
|
|
}
|