mirror of
https://github.com/OPM/opm-simulators.git
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132 lines
4.0 KiB
C++
132 lines
4.0 KiB
C++
/*
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Copyright 2014 SINTEF ICT, Applied Mathematics.
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif // HAVE_CONFIG_H
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#include <opm/core/flowdiagnostics/AnisotropicEikonal.hpp>
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#include <opm/grid/UnstructuredGrid.h>
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#include <opm/grid/GridManager.hpp>
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#include <opm/common/ErrorMacros.hpp>
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#include <opm/grid/utility/StopWatch.hpp>
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#include <opm/core/utility/miscUtilities.hpp>
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#include <opm/common/utility/parameters/ParameterGroup.hpp>
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#include <boost/filesystem.hpp>
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#include <memory>
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#include <algorithm>
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#include <iostream>
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#include <fstream>
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#include <vector>
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#include <numeric>
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#include <iterator>
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namespace
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{
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void warnIfUnusedParams(const Opm::ParameterGroup& param)
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{
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if (param.anyUnused()) {
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std::cout << "-------------------- Warning: unused parameters: --------------------\n";
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param.displayUsage();
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std::cout << "-------------------------------------------------------------------------" << std::endl;
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}
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}
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} // anon namespace
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// ----------------- Main program -----------------
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int
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main(int argc, char** argv)
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try
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{
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using namespace Opm;
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ParameterGroup param(argc, argv);
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// Read grid.
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GridManager grid_manager(param.get<std::string>("grid_filename"));
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const UnstructuredGrid& grid = *grid_manager.c_grid();
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// Read metric tensor.
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std::vector<double> metric;
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{
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std::ifstream metric_stream(param.get<std::string>("metric_filename").c_str());
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std::istream_iterator<double> beg(metric_stream);
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std::istream_iterator<double> end;
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metric.assign(beg, end);
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if (int(metric.size()) != grid.number_of_cells*grid.dimensions*grid.dimensions) {
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OPM_THROW(std::runtime_error, "Size of metric field differs from (dim^2 * number of cells).");
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}
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}
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// Read starting cells.
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std::vector<int> startcells;
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{
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std::ifstream start_stream(param.get<std::string>("startcells_filename").c_str());
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std::istream_iterator<int> beg(start_stream);
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std::istream_iterator<int> end;
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startcells.assign(beg, end);
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}
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// Write parameters used for later reference.
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bool output = param.getDefault("output", true);
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std::string output_dir;
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if (output) {
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output_dir =
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param.getDefault("output_dir", std::string("output"));
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boost::filesystem::path fpath(output_dir);
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try {
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create_directories(fpath);
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}
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catch (...) {
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OPM_THROW(std::runtime_error, "Creating directories failed: " << fpath);
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}
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param.writeParam(output_dir + "/eikonal.param");
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}
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// Issue a warning if any parameters were unused.
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warnIfUnusedParams(param);
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// Solve eikonal equation.
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Opm::time::StopWatch timer;
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timer.start();
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std::vector<double> solution;
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AnisotropicEikonal2d ae(grid);
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ae.solve(metric.data(), startcells, solution);
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timer.stop();
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double tt = timer.secsSinceStart();
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std::cout << "Eikonal solver took: " << tt << " seconds." << std::endl;
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// Output.
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if (output) {
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std::string filename = output_dir + "/solution.txt";
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std::ofstream stream(filename.c_str());
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stream.precision(16);
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std::copy(solution.begin(), solution.end(), std::ostream_iterator<double>(stream, "\n"));
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}
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}
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catch (const std::exception &e) {
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std::cerr << "Program threw an exception: " << e.what() << "\n";
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throw;
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}
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