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https://github.com/OPM/opm-simulators.git
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263 lines
10 KiB
C++
263 lines
10 KiB
C++
/*
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*/
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#include <opm/core/pressure/FlowBCManager.hpp>
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#include <opm/core/grid.h>
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#include <opm/core/grid/GridManager.hpp>
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#include <opm/core/wells.h>
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#include <opm/core/wells/WellsManager.hpp>
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#include <opm/core/utility/ErrorMacros.hpp>
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#include <opm/core/simulator/initState.hpp>
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#include <opm/core/simulator/SimulatorReport.hpp>
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#include <opm/core/simulator/SimulatorTimer.hpp>
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#include <opm/core/utility/miscUtilities.hpp>
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#include <opm/core/utility/parameters/ParameterGroup.hpp>
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#include <opm/core/props/IncompPropertiesBasic.hpp>
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#include <opm/core/props/IncompPropertiesFromDeck.hpp>
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#include <opm/core/props/rock/RockCompressibility.hpp>
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#include <opm/core/linalg/LinearSolverFactory.hpp>
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#include <opm/core/simulator/TwophaseState.hpp>
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#include <opm/core/simulator/WellState.hpp>
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#include <opm/autodiff/polymer/SimulatorFullyImplicitTwophase.hpp>
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#include <opm/autodiff/polymer/IncompPropsAdInterface.hpp>
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#include <opm/autodiff/polymer/IncompPropsAdBasic.hpp>
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#include <opm/autodiff/polymer/IncompPropsAdFromDeck.hpp>
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#include <boost/scoped_ptr.hpp>
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#include <boost/filesystem.hpp>
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#include <algorithm>
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#include <iostream>
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#include <vector>
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#include <numeric>
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namespace
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{
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void warnIfUnusedParams(const Opm::parameter::ParameterGroup& param)
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{
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if (param.anyUnused()) {
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std::cout << "-------------------- 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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std::cout << "\n================ Test program for incompressible two-phase flow ===============\n\n";
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parameter::ParameterGroup param(argc, argv, false);
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std::cout << "--------------- Reading parameters ---------------" << std::endl;
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// If we have a "deck_filename", grid and props will be read from that.
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bool use_deck = param.has("deck_filename");
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boost::scoped_ptr<EclipseGridParser> deck;
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boost::scoped_ptr<GridManager> grid;
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boost::scoped_ptr<IncompPropsAdInterface> props;
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TwophaseState state;
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double gravity[3] = { 0.0 };
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if (use_deck) {
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std::string deck_filename = param.get<std::string>("deck_filename");
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deck.reset(new EclipseGridParser(deck_filename));
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// Grid init
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grid.reset(new GridManager(*deck));
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// Rock and fluid init
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props.reset(new IncompPropsAdFromDeck(*deck, *grid->c_grid()));
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// Gravity.
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gravity[2] = deck->hasField("NOGRAV") ? 0.0 : unit::gravity;
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// Init state variables (saturation and pressure).
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int num_cells = grid->c_grid()->number_of_cells;
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if (param.has("init_saturation")) {
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//initStateBasic(*grid->c_grid(), *props, param, gravity[2], state);
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const double init_saturation = param.get<double>("init_saturation");
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for (int c = 0; c < num_cells; ++c) {
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state.saturation()[2*c] = init_saturation;
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state.saturation()[2*c+1] = 1. - init_saturation;
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}
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} else {
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if (deck->hasField("PRESSURE")) {
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// Set saturations from SWAT/SGAS, pressure from PRESSURE.
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std::vector<double>& s = state.saturation();
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std::vector<double>& p = state.pressure();
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const std::vector<double>& p_deck = deck->getFloatingPointValue("PRESSURE");
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// water-oil or water-gas: we require SWAT
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if (!deck->hasField("SWAT")) {
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OPM_THROW(std::runtime_error, "initStateFromDeck(): missing SWAT keyword in 2-phase init");
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}
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const std::vector<double>& sw_deck = deck->getFloatingPointValue("SWAT");
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for (int c = 0; c < num_cells; ++c) {
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int c_deck = (grid->c_grid()->global_cell == NULL) ? c : grid->c_grid()->global_cell[c];
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s[2*c] = sw_deck[c_deck];
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s[2*c + 1] = 1.0 - sw_deck[c_deck];
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p[c] = p_deck[c_deck];
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}
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}
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}
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} else {
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// Grid init.
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const int nx = param.getDefault("nx", 100);
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const int ny = param.getDefault("ny", 100);
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const int nz = param.getDefault("nz", 1);
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const double dx = param.getDefault("dx", 1.0);
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const double dy = param.getDefault("dy", 1.0);
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const double dz = param.getDefault("dz", 1.0);
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grid.reset(new GridManager(nx, ny, nz, dx, dy, dz));
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// Rock and fluid init.
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props.reset(new IncompPropsAdBasic(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells));
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// Rock compressibility.
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// Gravity.
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gravity[2] = param.getDefault("gravity", 0.0);
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int num_cells = grid->c_grid()->number_of_cells;
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}
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// Warn if gravity but no density difference.
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bool use_gravity = (gravity[0] != 0.0 || gravity[1] != 0.0 || gravity[2] != 0.0);
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const double *grav = use_gravity ? &gravity[0] : 0;
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// Initialising src
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std::vector<double> src(num_cells, 0.0);
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if (use_deck) {
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// Do nothing, wells will be the driving force, not source terms.
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if (deck->hasField("SRC")) {
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const std::vector<double>& src_deck = deck->getFloatingPointValue("SRC");
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for (int c = 0; c < num_cells; ++c) {
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int c_deck = (grid->c_grid()->global_cell == NULL) ? c : grid->c_grid()->global_cell[c];
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src[c] = src_deck[c_deck];
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}
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}
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} else {
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// Compute pore volumes, in order to enable specifying injection rate
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// terms of total pore volume.
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std::vector<double> porevol;
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computePorevolume(*grid->c_grid(), props->porosity(), porevol);
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const double tot_porevol_init = std::accumulate(porevol.begin(), porevol.end(), 0.0);
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const double default_injection = use_gravity ? 0.0 : 0.1;
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const double flow_per_sec = param.getDefault<double>("injected_porevolumes_per_day", default_injection)
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*tot_porevol_init/unit::day;
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src[0] = flow_per_sec;
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src[num_cells - 1] = -flow_per_sec;
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}
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in: num_cells = grid->c_grid()->number_of_cells;
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// Linear solver.
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LinearSolverFactory linsolver(param);
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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::ofstream epoch_os;
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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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std::string filename = output_dir + "/epoch_timing.param";
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epoch_os.open(filename.c_str(), std::fstream::trunc | std::fstream::out);
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// open file to clean it. The file is appended to in SimulatorTwophase
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filename = output_dir + "/step_timing.param";
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std::fstream step_os(filename.c_str(), std::fstream::trunc | std::fstream::out);
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step_os.close();
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param.writeParam(output_dir + "/simulation.param");
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}
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std::cout << "\n\n================ Starting main simulation loop ===============\n"
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<< " (number of epochs: "
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<< (use_deck ? deck->numberOfEpochs() : 1) << ")\n\n" << std::flush;
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SimulatorReport rep;
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if (!use_deck) {
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// Simple simulation without a deck.
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SimulatorFullyImplicitTwophase simulator(param,
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*grid->c_grid(),
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*props,
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linsolver,
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src);
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SimulatorTimer simtimer;
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simtimer.init(param);
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warnIfUnusedParams(param);
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rep = simulator.run(simtimer, state, src);
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} else {
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// With a deck, we may have more epochs etc.
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int step = 0;
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SimulatorTimer simtimer;
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// Use timer for last epoch to obtain total time.
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deck->setCurrentEpoch(deck->numberOfEpochs() - 1);
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simtimer.init(*deck);
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const double total_time = simtimer.totalTime();
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for (int epoch = 0; epoch < deck->numberOfEpochs(); ++epoch) {
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// Set epoch index.
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deck->setCurrentEpoch(epoch);
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// Update the timer.
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if (deck->hasField("TSTEP")) {
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simtimer.init(*deck);
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} else {
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if (epoch != 0) {
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OPM_THROW(std::runtime_error, "No TSTEP in deck for epoch " << epoch);
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}
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simtimer.init(param);
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}
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simtimer.setCurrentStepNum(step);
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simtimer.setTotalTime(total_time);
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// Report on start of epoch.
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std::cout << "\n\n-------------- Starting epoch " << epoch << " --------------"
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<< "\n (number of steps: "
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<< simtimer.numSteps() - step << ")\n\n" << std::flush;
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// Create and run simulator.
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SimulatorFullyImplicitTwophase simulator(param,
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*grid->c_grid(),
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*props,
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linsolver,
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src);
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if (epoch == 0) {
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warnIfUnusedParams(param);
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}
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SimulatorReport epoch_rep = simulator.run(simtimer, state, src);
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if (output) {
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epoch_rep.reportParam(epoch_os);
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}
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// Update total timing report and remember step number.
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rep += epoch_rep;
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step = simtimer.currentStepNum();
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}
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}
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std::cout << "\n\n================ End of simulation ===============\n\n";
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rep.report(std::cout);
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if (output) {
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std::string filename = output_dir + "/walltime.param";
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std::fstream tot_os(filename.c_str(),std::fstream::trunc | std::fstream::out);
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rep.reportParam(tot_os);
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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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