07707ecc30
since the unit code within opm-parser is now a drop-in replacement, this simplifies things and make them less error-prone. unfortunately, this requires quite a few PRs. (most are pretty trivial, though.)
350 lines
13 KiB
C++
350 lines
13 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/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/utility/SparseTable.hpp>
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#include <opm/core/utility/StopWatch.hpp>
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#include <opm/parser/eclipse/Units/Units.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/IncompPropertiesSinglePhase.hpp>
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#include <opm/core/linalg/LinearSolverFactory.hpp>
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#include <opm/core/pressure/IncompTpfaSinglePhase.hpp>
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#include <opm/core/flowdiagnostics/FlowDiagnostics.hpp>
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#include <opm/core/flowdiagnostics/TofReorder.hpp>
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#include <opm/core/flowdiagnostics/TofDiscGalReorder.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/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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#include <fstream>
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namespace
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{
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const static double alq_invalid = -std::numeric_limits<double>::max();
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const static int vfp_invalid = -std::numeric_limits<int>::max();
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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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const bool trace_injectors,
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Opm::SparseTable<int>& tracerheads)
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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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const WellType wanted_type = trace_injectors ? INJECTOR : PRODUCER;
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for (int w = 0; w < num_wells; ++w) {
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if (wells.type[w] != wanted_type) {
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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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void setBhpWells(Wells& wells)
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{
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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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WellControls* ctrl = wells.ctrls[w];
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const double target = (wells.type[w] == INJECTOR) ? 200*Opm::unit::barsa : 100*Opm::unit::barsa;
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const double distr[3] = { 1.0, 0.0, 0.0 }; // Large enough irrespective of #phases.
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well_controls_add_new(BHP, target,
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alq_invalid, vfp_invalid,
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distr, ctrl);
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well_controls_set_current(ctrl, well_controls_get_num(ctrl) - 1);
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}
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}
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void computeTransportSourceSinglePhase(const UnstructuredGrid& grid,
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const std::vector<double>& src,
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const std::vector<double>& faceflux,
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const double inflow_frac,
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const Wells* wells,
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const std::vector<double>& well_perfrates,
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std::vector<double>& transport_src)
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{
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using namespace Opm;
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int nc = grid.number_of_cells;
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transport_src.resize(nc);
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// Source term and boundary contributions.
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for (int c = 0; c < nc; ++c) {
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transport_src[c] = 0.0;
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transport_src[c] += src[c] > 0.0 ? inflow_frac*src[c] : src[c];
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for (int hf = grid.cell_facepos[c]; hf < grid.cell_facepos[c + 1]; ++hf) {
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int f = grid.cell_faces[hf];
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const int* f2c = &grid.face_cells[2*f];
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double bdy_influx = 0.0;
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if (f2c[0] == c && f2c[1] == -1) {
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bdy_influx = -faceflux[f];
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} else if (f2c[0] == -1 && f2c[1] == c) {
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bdy_influx = faceflux[f];
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}
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if (bdy_influx != 0.0) {
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transport_src[c] += bdy_influx > 0.0 ? inflow_frac*bdy_influx : bdy_influx;
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}
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}
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}
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// Well contributions.
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if (wells) {
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const int nw = wells->number_of_wells;
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for (int w = 0; w < nw; ++w) {
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for (int perf = wells->well_connpos[w]; perf < wells->well_connpos[w + 1]; ++perf) {
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const int perf_cell = wells->well_cells[perf];
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double perf_rate = well_perfrates[perf];
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if (perf_rate > 0.0) {
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// perf_rate is a total inflow rate, we want a water rate.
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if (wells->type[w] != INJECTOR) {
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std::cout << "**** Warning: crossflow in well "
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<< w << " perf " << perf - wells->well_connpos[w]
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<< " ignored. Rate was "
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<< perf_rate/Opm::unit::day << " m^3/day." << std::endl;
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perf_rate = 0.0;
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} else {
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perf_rate *= inflow_frac;
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}
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}
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transport_src[perf_cell] += perf_rate;
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}
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}
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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);
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std::cout << "--------------- Reading parameters ---------------" << std::endl;
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// Read the deck.
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std::string deck_filename = param.get<std::string>("deck_filename");
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Parser parser;
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ParseContext parseContext;
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DeckConstPtr deck = parser.parseFile(deck_filename , parseContext);
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EclipseStateConstPtr eclipseState = std::make_shared<EclipseState>(*deck , parseContext);
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// Grid init
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GridManager grid_manager(*eclipseState->getInputGrid());
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const UnstructuredGrid& grid = *grid_manager.c_grid();
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// Rock and fluid init
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IncompPropertiesSinglePhase props(deck, eclipseState, grid);
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// Wells init.
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WellsManager wells_manager(eclipseState , 0, grid, props.permeability());
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std::shared_ptr<Wells> my_wells(clone_wells(wells_manager.c_wells()), destroy_wells);
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setBhpWells(*my_wells);
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const Wells& wells = *my_wells;
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// Pore volume.
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std::vector<double> porevol;
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computePorevolume(grid, props.porosity(), porevol);
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int num_cells = grid.number_of_cells;
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// Linear solver.
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LinearSolverFactory linsolver(param);
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// Pressure solver.
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Opm::IncompTpfaSinglePhase psolver(grid, props, linsolver, wells);
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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, 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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param.writeParam(output_dir + "/simulation.param");
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}
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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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std::vector<double> press;
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std::vector<double> flux;
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std::vector<double> bhp;
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std::vector<double> wellrates;
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pressure_timer.start();
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psolver.solve(press, flux, bhp, wellrates);
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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> src(num_cells, 0.0);
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std::vector<double> transport_src;
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computeTransportSourceSinglePhase(grid, src, flux, 1.0,
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&wells, wellrates, transport_src);
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std::string tof_filenames[2] = { output_dir + "/ftof.txt", output_dir + "/btof.txt" };
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std::string tracer_filenames[2] = { output_dir + "/ftracer.txt", output_dir + "/btracer.txt" };
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std::vector<double> tracers[2];
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// We compute tof twice, direction == 0 is from injectors, 1 is from producers.
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for (int direction = 0; direction < 2; ++direction) {
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// Turn direction of flux and flip source terms if starting from producers.
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if (direction == 1) {
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for (auto it = flux.begin(); it != flux.end(); ++it) {
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(*it) = -(*it);
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}
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for (auto it = transport_src.begin(); it != transport_src.end(); ++it) {
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(*it) = -(*it);
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}
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}
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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, direction == 0, 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(flux.data(), porevol.data(), transport_src.data(), tracerheads, tof, tracer);
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} else {
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dg_solver->solveTof(flux.data(), porevol.data(), transport_src.data(), tof);
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}
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} else {
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Opm::TofReorder tofsolver(grid, use_multidim_upwind);
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if (compute_tracer) {
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tofsolver.solveTofTracer(flux.data(), porevol.data(), transport_src.data(), tracerheads, tof, tracer);
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} else {
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tofsolver.solveTof(flux.data(), porevol.data(), transport_src.data(), 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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if (direction == 0) {
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std::cout << "Forward ";
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} else {
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std::cout << "Backward ";
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}
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std::cout << "time-of-flight/tracer solve took: " << tt << " seconds." << std::endl;
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ttime += tt;
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// Output.
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if (output) {
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std::string tof_filename = tof_filenames[direction];
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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 = tracer_filenames[direction];
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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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tracers[direction] = tracer;
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}
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}
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}
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// If we have tracers, compute well pairs.
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if (compute_tracer) {
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auto wp = Opm::computeWellPairs(wells, porevol, tracers[0], tracers[1]);
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std::string wellpair_filename = output_dir + "/wellpairs.txt";
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std::ofstream wellpair_stream(wellpair_filename.c_str());
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const int nwp = wp.size();
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for (int ii = 0; ii < nwp; ++ii) {
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wellpair_stream << std::get<0>(wp[ii]) << ' ' << std::get<1>(wp[ii]) << ' ' << std::get<2>(wp[ii]) << '\n';
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}
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}
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total_timer.stop();
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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 Tof/tracer 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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