mirror of
https://github.com/OPM/opm-simulators.git
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313 lines
12 KiB
C++
313 lines
12 KiB
C++
/*
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Copyright 2013 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/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/common/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/simulators/timestepping/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/SimulatorIncompTwophaseAd.hpp>
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#include <opm/parser/eclipse/Parser/Parser.hpp>
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#include <opm/parser/eclipse/Parser/ParseContext.hpp>
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#include <opm/parser/eclipse/EclipseState/EclipseState.hpp>
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#include <opm/simulators/ensureDirectoryExists.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 <vector>
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#include <numeric>
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#include <fstream>
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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 << "-------------------- 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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ParameterGroup param(argc, argv, false);
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std::cout << "--------------- Reading parameters ---------------" << std::endl;
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#if ! HAVE_SUITESPARSE_UMFPACK_H
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// This is an extra check to intercept a potentially invalid request for the
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// implicit transport solver as early as possible for the user.
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{
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const std::string transport_solver_type
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= param.getDefault<std::string>("transport_solver_type", "ad");
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if (transport_solver_type == "implicit") {
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OPM_THROW(std::runtime_error, "Cannot use implicit transport solver without UMFPACK. "
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"Either reconfigure opm-core with SuiteSparse/UMFPACK support and recompile, "
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"or use the reordering solver (transport_solver_type=reorder).");
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}
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}
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#endif
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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::Parser parser;
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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<RockCompressibility> rock_comp;
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std::unique_ptr<TwophaseState> state;
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std::shared_ptr< EclipseState > eclipseState;
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std::shared_ptr< Schedule > schedule;
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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::ParseContext parseContext;
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auto deck = parser.parseFile(deck_filename, parseContext);
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eclipseState.reset(new EclipseState(deck , parseContext));
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schedule.reset( new Schedule(deck,
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eclipseState->getInputGrid(),
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eclipseState->get3DProperties(),
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eclipseState->runspec().phases(),
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parseContext));
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// Grid init
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grid.reset(new GridManager(eclipseState->getInputGrid()));
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{
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const UnstructuredGrid& ug_grid = *(grid->c_grid());
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// Rock and fluid init
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props.reset(new IncompPropertiesFromDeck(deck, *eclipseState, ug_grid));
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// check_well_controls = param.getDefault("check_well_controls", false);
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// max_well_control_iterations = param.getDefault("max_well_control_iterations", 10);
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state.reset( new TwophaseState( UgGridHelpers::numCells( ug_grid ) , UgGridHelpers::numFaces( ug_grid )));
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// Rock compressibility.
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rock_comp.reset(new RockCompressibility(*eclipseState));
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// Gravity.
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gravity[2] = deck.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(ug_grid, *props, param, gravity[2], *state);
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} else {
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initStateFromDeck(ug_grid, *props, deck, gravity[2], *state);
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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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{
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const UnstructuredGrid& ug_grid = *(grid->c_grid());
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// Rock and fluid init.
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props.reset(new IncompPropertiesBasic(param, ug_grid.dimensions, UgGridHelpers::numCells( ug_grid )));
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state.reset( new TwophaseState( UgGridHelpers::numCells( ug_grid ) , UgGridHelpers::numFaces( ug_grid )));
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// Rock compressibility.
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rock_comp.reset(new RockCompressibility(param));
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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(ug_grid, *props, param, gravity[2], *state);
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}
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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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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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// 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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if (rock_comp->isActive()) {
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computePorevolume(*grid->c_grid(), props->porosity(), *rock_comp, state->pressure(), porevol);
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} else {
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computePorevolume(*grid->c_grid(), props->porosity(), porevol);
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}
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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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// 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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ensureDirectoryExists(output_dir);
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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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SimulatorReport rep;
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if (!use_deck) {
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// Simple simulation without a deck.
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WellsManager wells; // no wells.
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SimulatorIncompTwophaseAd simulator(param,
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*grid->c_grid(),
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*props,
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rock_comp->isActive() ? rock_comp.get() : 0,
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wells,
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src,
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bcs.c_bcs(),
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linsolver,
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grav);
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SimulatorTimer simtimer;
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simtimer.init(param);
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warnIfUnusedParams(param);
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WellState well_state;
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well_state.init(0, *state);
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rep = simulator.run(simtimer, *state, well_state);
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} else {
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// With a deck, we may have more report steps etc.
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WellState well_state;
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const auto& timeMap = schedule->getTimeMap();
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SimulatorTimer simtimer;
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for (size_t reportStepIdx = 0; reportStepIdx < timeMap.numTimesteps(); ++reportStepIdx) {
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// Report on start of report step.
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std::cout << "\n\n-------------- Starting report step " << reportStepIdx << " --------------"
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<< "\n (number of steps left: "
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<< timeMap.numTimesteps() - reportStepIdx << ")\n\n" << std::flush;
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// Create new wells, well_state
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WellsManager wells(*eclipseState , *schedule, reportStepIdx , *grid->c_grid());
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// @@@ HACK: we should really make a new well state and
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// properly transfer old well state to it every report step,
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// since number of wells may change etc.
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if (reportStepIdx == 0) {
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well_state.init(wells.c_wells(), *state);
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}
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simtimer.setCurrentStepNum(reportStepIdx);
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// Create and run simulator.
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SimulatorIncompTwophaseAd simulator(param,
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*grid->c_grid(),
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*props,
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rock_comp->isActive() ? rock_comp.get() : 0,
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wells,
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src,
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bcs.c_bcs(),
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linsolver,
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grav);
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if (reportStepIdx == 0) {
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warnIfUnusedParams(param);
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}
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SimulatorReport epoch_rep = simulator.run(simtimer, *state, well_state);
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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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}
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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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