313 lines
12 KiB
C++
313 lines
12 KiB
C++
/*
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Copyright 2012 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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#if 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/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/utility/SparseTable.hpp>
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#include <opm/core/utility/StopWatch.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/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/core/simulator/initState.hpp>
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#include <opm/core/pressure/IncompTpfa.hpp>
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#include <opm/core/tof/TofReorder.hpp>
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#include <opm/core/tof/TofDiscGalReorder.hpp>
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#include <opm/parser/eclipse/Parser/Parser.hpp>
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#include <opm/parser/eclipse/EclipseState/Schedule/Schedule.hpp>
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#include <memory>
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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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void buildTracerheadsFromWells(const Wells* wells,
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Opm::SparseTable<int>& tracerheads)
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{
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if (wells == 0) {
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return;
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}
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tracerheads.clear();
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const int num_wells = wells->number_of_wells;
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for (int w = 0; w < num_wells; ++w) {
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if (wells->type[w] != INJECTOR) {
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continue;
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}
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tracerheads.appendRow(wells->well_cells + wells->well_connpos[w],
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wells->well_cells + wells->well_connpos[w + 1]);
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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 tof computations ===============\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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Opm::DeckConstPtr newParserDeck;
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std::unique_ptr<GridManager> grid;
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std::unique_ptr<IncompPropertiesInterface> props;
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std::unique_ptr<Opm::WellsManager> wells;
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TwophaseState state;
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// bool check_well_controls = false;
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// int max_well_control_iterations = 0;
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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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Opm::ParserPtr parser(new Opm::Parser());
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newParserDeck = parser->parseFile(deck_filename);
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Opm::EclipseStateConstPtr eclipseState(new Opm::EclipseState(newParserDeck));
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// Grid init
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grid.reset(new GridManager(newParserDeck));
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// Rock and fluid init
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props.reset(new IncompPropertiesFromDeck(newParserDeck, *grid->c_grid()));
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// Wells init.
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wells.reset(new Opm::WellsManager(eclipseState , 0 , *grid->c_grid(), props->permeability()));
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// Gravity.
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gravity[2] = newParserDeck->hasKeyword("NOGRAV") ? 0.0 : unit::gravity;
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// Init state variables (saturation and pressure).
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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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} else {
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initStateFromDeck(*grid->c_grid(), *props, newParserDeck, gravity[2], state);
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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 IncompPropertiesBasic(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells));
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// Wells init.
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wells.reset(new Opm::WellsManager());
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// Gravity.
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gravity[2] = param.getDefault("gravity", 0.0);
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// Init state variables (saturation and pressure).
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initStateBasic(*grid->c_grid(), *props, param, gravity[2], state);
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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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if (use_gravity) {
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if (props->density()[0] == props->density()[1]) {
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std::cout << "**** Warning: nonzero gravity, but zero density difference." << std::endl;
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}
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}
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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> porevol;
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computePorevolume(*grid->c_grid(), props->porosity(), porevol);
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int num_cells = grid->c_grid()->number_of_cells;
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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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} else {
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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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// Boundary conditions.
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FlowBCManager bcs;
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if (param.getDefault("use_pside", false)) {
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int pside = param.get<int>("pside");
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double pside_pressure = param.get<double>("pside_pressure");
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bcs.pressureSide(*grid->c_grid(), FlowBCManager::Side(pside), pside_pressure);
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}
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// Linear solver.
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LinearSolverFactory linsolver(param);
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// Pressure solver.
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Opm::IncompTpfa psolver(*grid->c_grid(), *props, 0, linsolver,
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0.0, 0.0, 0,
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grav, wells->c_wells(), src, bcs.c_bcs());
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// Choice of tof solver.
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bool use_dg = param.getDefault("use_dg", false);
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bool use_multidim_upwind = false;
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// Need to initialize dg solver here, since it uses parameters now.
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std::unique_ptr<Opm::TofDiscGalReorder> dg_solver;
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if (use_dg) {
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dg_solver.reset(new Opm::TofDiscGalReorder(*grid->c_grid(), param));
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} else {
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use_multidim_upwind = param.getDefault("use_multidim_upwind", false);
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}
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bool compute_tracer = param.getDefault("compute_tracer", false);
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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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// Init wells.
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Opm::WellState well_state;
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well_state.init(wells->c_wells(), state);
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// Check if we have misspelled anything
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warnIfUnusedParams(param);
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// Main solvers.
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Opm::time::StopWatch pressure_timer;
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double ptime = 0.0;
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Opm::time::StopWatch transport_timer;
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double ttime = 0.0;
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Opm::time::StopWatch total_timer;
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total_timer.start();
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std::cout << "\n\n================ Starting main solvers ===============" << std::endl;
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// Solve pressure.
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pressure_timer.start();
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psolver.solve(1.0, state, well_state);
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pressure_timer.stop();
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double pt = pressure_timer.secsSinceStart();
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std::cout << "Pressure solver took: " << pt << " seconds." << std::endl;
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ptime += pt;
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// Process transport sources (to include bdy terms and well flows).
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std::vector<double> transport_src;
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Opm::computeTransportSource(*grid->c_grid(), src, state.faceflux(), 1.0,
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wells->c_wells(), well_state.perfRates(), transport_src);
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// Solve time-of-flight.
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transport_timer.start();
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std::vector<double> tof;
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std::vector<double> tracer;
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Opm::SparseTable<int> tracerheads;
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if (compute_tracer) {
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buildTracerheadsFromWells(wells->c_wells(), tracerheads);
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}
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if (use_dg) {
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if (compute_tracer) {
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dg_solver->solveTofTracer(&state.faceflux()[0], &porevol[0], &transport_src[0], tracerheads, tof, tracer);
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} else {
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dg_solver->solveTof(&state.faceflux()[0], &porevol[0], &transport_src[0], tof);
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}
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} else {
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Opm::TofReorder tofsolver(*grid->c_grid(), use_multidim_upwind);
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if (compute_tracer) {
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tofsolver.solveTofTracer(&state.faceflux()[0], &porevol[0], &transport_src[0], tracerheads, tof, tracer);
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} else {
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tofsolver.solveTof(&state.faceflux()[0], &porevol[0], &transport_src[0], tof);
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}
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}
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transport_timer.stop();
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double tt = transport_timer.secsSinceStart();
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std::cout << "Transport solver took: " << tt << " seconds." << std::endl;
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ttime += tt;
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total_timer.stop();
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// Output.
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if (output) {
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std::string tof_filename = output_dir + "/tof.txt";
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std::ofstream tof_stream(tof_filename.c_str());
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tof_stream.precision(16);
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std::copy(tof.begin(), tof.end(), std::ostream_iterator<double>(tof_stream, "\n"));
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if (compute_tracer) {
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std::string tracer_filename = output_dir + "/tracer.txt";
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std::ofstream tracer_stream(tracer_filename.c_str());
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tracer_stream.precision(16);
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const int nt = tracer.size()/num_cells;
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for (int i = 0; i < nt*num_cells; ++i) {
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tracer_stream << tracer[i] << (((i + 1) % nt == 0) ? '\n' : ' ');
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}
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}
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}
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std::cout << "\n\n================ End of simulation ===============\n"
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<< "Total time taken: " << total_timer.secsSinceStart()
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<< "\n Pressure time: " << ptime
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<< "\n Transport time: " << ttime << std::endl;
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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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