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