void outputStateMatlab(const Grid& grid,
const PolymerBlackoilState& state,
const int step,
const std::string& output_dir)
{
Opm::DataMap dm;
dm["saturation"] = &state.saturation();
dm["pressure"] = &state.pressure();
dm["surfvolume"] = &state.surfacevol();
dm["rs"] = &state.gasoilratio();
dm["rv"] = &state.rv();
dm["concentration"] = &state.concentration();
dm["maxconcentration"] = &state.maxconcentration();
std::vector<double> cell_velocity;
Opm::estimateCellVelocity(AutoDiffGrid::numCells(grid),
AutoDiffGrid::numFaces(grid),
AutoDiffGrid::beginFaceCentroids(grid),
UgGridHelpers::faceCells(grid),
AutoDiffGrid::beginCellCentroids(grid),
AutoDiffGrid::beginCellVolumes(grid),
AutoDiffGrid::dimensions(grid),
state.faceflux(), cell_velocity);
dm["velocity"] = &cell_velocity;
// Write data (not grid) in Matlab format
for (Opm::DataMap::const_iterator it = dm.begin(); it != dm.end(); ++it) {
std::ostringstream fname;
fname << output_dir << "/" << it->first;
boost::filesystem::path fpath = fname.str();
try {
create_directories(fpath);
}
catch (...) {
OPM_THROW(std::runtime_error, "Creating directories failed: " << fpath);
}
fname << "/" << std::setw(3) << std::setfill('0') << step << ".txt";
std::ofstream file(fname.str().c_str());
if (!file) {
OPM_THROW(std::runtime_error, "Failed to open " << fname.str());
}
file.precision(15);
const std::vector<double>& d = *(it->second);
std::copy(d.begin(), d.end(), std::ostream_iterator<double>(file, "\n"));
}
}
SimulatorReport SimulatorCompressiblePolymer::Impl::run(SimulatorTimer& timer,
PolymerBlackoilState& state,
WellState& well_state)
{
std::vector<double> transport_src(grid_.number_of_cells);
std::vector<double> polymer_inflow_c(grid_.number_of_cells);
// Initialisation.
std::vector<double> initial_pressure;
std::vector<double> porevol;
if (rock_comp_props_ && rock_comp_props_->isActive()) {
computePorevolume(grid_, props_.porosity(), *rock_comp_props_, state.pressure(), porevol);
} else {
computePorevolume(grid_, props_.porosity(), porevol);
}
const double tot_porevol_init = std::accumulate(porevol.begin(), porevol.end(), 0.0);
std::vector<double> initial_porevol = porevol;
// Main simulation loop.
Opm::time::StopWatch pressure_timer;
double ptime = 0.0;
Opm::time::StopWatch transport_timer;
double ttime = 0.0;
Opm::time::StopWatch total_timer;
total_timer.start();
double init_surfvol[2] = { 0.0 };
double inplace_surfvol[2] = { 0.0 };
double polymass = computePolymerMass(porevol, state.saturation(), state.getCellData( state.CONCENTRATION ), poly_props_.deadPoreVol());
double polymass_adsorbed = computePolymerAdsorbed(grid_, props_, poly_props_, state, rock_comp_props_);
double init_polymass = polymass + polymass_adsorbed;
double tot_injected[2] = { 0.0 };
double tot_produced[2] = { 0.0 };
double tot_polyinj = 0.0;
double tot_polyprod = 0.0;
Opm::computeSaturatedVol(porevol, state.surfacevol(), init_surfvol);
Opm::Watercut watercut;
watercut.push(0.0, 0.0, 0.0);
Opm::WellReport wellreport;
std::vector<double> fractional_flows;
std::vector<double> well_resflows_phase;
if (wells_) {
well_resflows_phase.resize((wells_->number_of_phases)*(wells_->number_of_wells), 0.0);
wellreport.push(props_, *wells_, state.pressure(), state.surfacevol(),
state.saturation(), 0.0, well_state.bhp(), well_state.perfRates());
}
// Report timestep and (optionally) write state to disk.
timer.report(std::cout);
if (output_ && (timer.currentStepNum() % output_interval_ == 0)) {
if (output_vtk_) {
outputStateVtk(grid_, state, timer.currentStepNum(), output_dir_);
}
outputStateMatlab(grid_, state, timer.currentStepNum(), output_dir_);
}
initial_pressure = state.pressure();
// Solve pressure equation.
if (check_well_controls_) {
computeFractionalFlow(props_, poly_props_, allcells_,
state.pressure(), state.temperature(), state.surfacevol(), state.saturation(),
state.getCellData( state.CONCENTRATION ), state.getCellData( state.CMAX ) ,
fractional_flows);
wells_manager_.applyExplicitReinjectionControls(well_resflows_phase, well_resflows_phase);
}
bool well_control_passed = !check_well_controls_;
int well_control_iteration = 0;
do {
// Run solver
pressure_timer.start();
psolver_.solve(timer.currentStepLength(), state, well_state);
// Renormalize pressure if both fluids and rock are
// incompressible, and there are no pressure
// conditions (bcs or wells). It is deemed sufficient
// for now to renormalize using geometric volume
// instead of pore volume.
if (psolver_.singularPressure()) {
// Compute average pressures of previous and last
// step, and total volume.
double av_prev_press = 0.0;
double av_press = 0.0;
double tot_vol = 0.0;
const int num_cells = grid_.number_of_cells;
for (int cell = 0; cell < num_cells; ++cell) {
av_prev_press += initial_pressure[cell]*grid_.cell_volumes[cell];
av_press += state.pressure()[cell]*grid_.cell_volumes[cell];
tot_vol += grid_.cell_volumes[cell];
}
// Renormalization constant
const double ren_const = (av_prev_press - av_press)/tot_vol;
for (int cell = 0; cell < num_cells; ++cell) {
state.pressure()[cell] += ren_const;
}
const int num_wells = (wells_ == NULL) ? 0 : wells_->number_of_wells;
for (int well = 0; well < num_wells; ++well) {
well_state.bhp()[well] += ren_const;
}
}
// Stop timer and report
pressure_timer.stop();
double pt = pressure_timer.secsSinceStart();
std::cout << "Pressure solver took: " << pt << " seconds." << std::endl;
ptime += pt;
// Optionally, check if well controls are satisfied.
if (check_well_controls_) {
Opm::computePhaseFlowRatesPerWell(*wells_,
well_state.perfRates(),
fractional_flows,
well_resflows_phase);
std::cout << "Checking well conditions." << std::endl;
// For testing we set surface := reservoir
well_control_passed = wells_manager_.conditionsMet(well_state.bhp(), well_resflows_phase, well_resflows_phase);
++well_control_iteration;
if (!well_control_passed && well_control_iteration > max_well_control_iterations_) {
OPM_THROW(std::runtime_error, "Could not satisfy well conditions in " << max_well_control_iterations_ << " tries.");
}
if (!well_control_passed) {
std::cout << "Well controls not passed, solving again." << std::endl;
} else {
std::cout << "Well conditions met." << std::endl;
}
}
} while (!well_control_passed);
// Update pore volumes if rock is compressible.
if (rock_comp_props_ && rock_comp_props_->isActive()) {
initial_porevol = porevol;
computePorevolume(grid_, props_.porosity(), *rock_comp_props_, state.pressure(), porevol);
}
// Process transport sources (to include bdy terms and well flows).
Opm::computeTransportSource(props_, wells_, well_state, transport_src);
// Find inflow rate.
const double current_time = timer.simulationTimeElapsed();
double stepsize = timer.currentStepLength();
polymer_inflow_.getInflowValues(current_time, current_time + stepsize, polymer_inflow_c);
// Solve transport.
transport_timer.start();
if (num_transport_substeps_ != 1) {
stepsize /= double(num_transport_substeps_);
std::cout << "Making " << num_transport_substeps_ << " transport substeps." << std::endl;
}
double injected[2] = { 0.0 };
double produced[2] = { 0.0 };
double polyinj = 0.0;
double polyprod = 0.0;
for (int tr_substep = 0; tr_substep < num_transport_substeps_; ++tr_substep) {
tsolver_.solve(&state.faceflux()[0], initial_pressure,
state.pressure(), state.temperature(), &initial_porevol[0], &porevol[0],
&transport_src[0], &polymer_inflow_c[0], stepsize,
state.saturation(), state.surfacevol(),
state.getCellData( state.CONCENTRATION ), state.getCellData( state.CMAX ));
double substep_injected[2] = { 0.0 };
double substep_produced[2] = { 0.0 };
double substep_polyinj = 0.0;
double substep_polyprod = 0.0;
Opm::computeInjectedProduced(props_, poly_props_,
state,
transport_src, polymer_inflow_c, stepsize,
substep_injected, substep_produced,
substep_polyinj, substep_polyprod);
injected[0] += substep_injected[0];
injected[1] += substep_injected[1];
produced[0] += substep_produced[0];
produced[1] += substep_produced[1];
polyinj += substep_polyinj;
polyprod += substep_polyprod;
if (gravity_ != 0 && use_segregation_split_) {
tsolver_.solveGravity(columns_, stepsize,
state.saturation(), state.surfacevol(),
state.getCellData( state.CONCENTRATION ), state.getCellData( state.CMAX ));
}
}
transport_timer.stop();
double tt = transport_timer.secsSinceStart();
std::cout << "Transport solver took: " << tt << " seconds." << std::endl;
ttime += tt;
// Report volume balances.
Opm::computeSaturatedVol(porevol, state.surfacevol(), inplace_surfvol);
polymass = Opm::computePolymerMass(porevol, state.saturation(), state.getCellData( state.CONCENTRATION ), poly_props_.deadPoreVol());
polymass_adsorbed = Opm::computePolymerAdsorbed(grid_, props_, poly_props_,
state, rock_comp_props_);
tot_injected[0] += injected[0];
tot_injected[1] += injected[1];
tot_produced[0] += produced[0];
tot_produced[1] += produced[1];
tot_polyinj += polyinj;
tot_polyprod += polyprod;
std::cout.precision(5);
const int width = 18;
std::cout << "\nMass balance: "
" water(surfvol) oil(surfvol) polymer(kg)\n";
std::cout << " In-place: "
<< std::setw(width) << inplace_surfvol[0]
<< std::setw(width) << inplace_surfvol[1]
<< std::setw(width) << polymass << std::endl;
std::cout << " Adsorbed: "
<< std::setw(width) << 0.0
<< std::setw(width) << 0.0
<< std::setw(width) << polymass_adsorbed << std::endl;
std::cout << " Injected: "
<< std::setw(width) << injected[0]
<< std::setw(width) << injected[1]
<< std::setw(width) << polyinj << std::endl;
std::cout << " Produced: "
<< std::setw(width) << produced[0]
<< std::setw(width) << produced[1]
<< std::setw(width) << polyprod << std::endl;
std::cout << " Total inj: "
<< std::setw(width) << tot_injected[0]
<< std::setw(width) << tot_injected[1]
<< std::setw(width) << tot_polyinj << std::endl;
std::cout << " Total prod: "
<< std::setw(width) << tot_produced[0]
<< std::setw(width) << tot_produced[1]
<< std::setw(width) << tot_polyprod << std::endl;
const double balance[3] = { init_surfvol[0] - inplace_surfvol[0] - tot_produced[0] + tot_injected[0],
init_surfvol[1] - inplace_surfvol[1] - tot_produced[1] + tot_injected[1],
init_polymass - polymass - tot_polyprod + tot_polyinj - polymass_adsorbed };
std::cout << " Initial - inplace + inj - prod: "
<< std::setw(width) << balance[0]
<< std::setw(width) << balance[1]
<< std::setw(width) << balance[2]
<< std::endl;
std::cout << " Relative mass error: "
<< std::setw(width) << balance[0]/(init_surfvol[0] + tot_injected[0])
<< std::setw(width) << balance[1]/(init_surfvol[1] + tot_injected[1])
<< std::setw(width) << balance[2]/(init_polymass + tot_polyinj)
<< std::endl;
std::cout.precision(8);
watercut.push(timer.simulationTimeElapsed() + timer.currentStepLength(),
produced[0]/(produced[0] + produced[1]),
tot_produced[0]/tot_porevol_init);
if (wells_) {
wellreport.push(props_, *wells_, state.pressure(), state.surfacevol(),
state.saturation(), timer.simulationTimeElapsed() + timer.currentStepLength(),
well_state.bhp(), well_state.perfRates());
}
if (output_) {
if (output_vtk_) {
outputStateVtk(grid_, state, timer.currentStepNum(), output_dir_);
}
outputStateMatlab(grid_, state, timer.currentStepNum(), output_dir_);
outputWaterCut(watercut, output_dir_);
if (wells_) {
outputWellReport(wellreport, output_dir_);
}
}
total_timer.stop();
SimulatorReport report;
report.pressure_time = ptime;
report.transport_time = ttime;
report.total_time = total_timer.secsSinceStart();
return report;
}
// ----------------- Main program -----------------
int
main(int argc, char** argv)
try
{
using namespace Opm;
{
std::string version = moduleVersionName();
std::cout << "**********************************************************************\n";
std::cout << "* *\n";
std::cout << "* This is Flow-Polymer (version " << version << ")"
<< std::string(18 - version.size(), ' ') << "*\n";
std::cout << "* *\n";
std::cout << "* Flow-Polymer is a simulator for fully implicit three-phase, *\n";
std::cout << "* four-component (black-oil + polymer) flow, and is part of OPM. *\n";
std::cout << "* For more information see http://opm-project.org *\n";
std::cout << "* *\n";
std::cout << "**********************************************************************\n\n";
}
// Read parameters, see if a deck was specified on the command line.
std::cout << "--------------- Reading parameters ---------------" << std::endl;
parameter::ParameterGroup param(argc, argv, false);
if (!param.unhandledArguments().empty()) {
if (param.unhandledArguments().size() != 1) {
OPM_THROW(std::runtime_error, "You can only specify a single input deck on the command line.");
} else {
param.insertParameter("deck_filename", param.unhandledArguments()[0]);
}
}
// We must have an input deck. Grid and props will be read from that.
if (!param.has("deck_filename")) {
std::cerr << "This program must be run with an input deck.\n"
"Specify the deck filename either\n"
" a) as a command line argument by itself\n"
" b) as a command line parameter with the syntax deck_filename=<path to your deck>, or\n"
" c) as a parameter in a parameter file (.param or .xml) passed to the program.\n";
OPM_THROW(std::runtime_error, "Input deck required.");
}
std::shared_ptr<GridManager> grid;
std::shared_ptr<BlackoilPropertiesFromDeck> props;
std::shared_ptr<BlackoilPropsAdFromDeck> new_props;
std::shared_ptr<RockCompressibility> rock_comp;
PolymerBlackoilState state;
// bool check_well_controls = false;
// int max_well_control_iterations = 0;
double gravity[3] = { 0.0 };
std::string deck_filename = param.get<std::string>("deck_filename");
// Write parameters used for later reference.
bool output = param.getDefault("output", true);
std::string output_dir;
if (output) {
// Create output directory if needed.
output_dir =
param.getDefault("output_dir", std::string("output"));
boost::filesystem::path fpath(output_dir);
try {
create_directories(fpath);
}
catch (...) {
OPM_THROW(std::runtime_error, "Creating directories failed: " << fpath);
}
// Write simulation parameters.
param.writeParam(output_dir + "/simulation.param");
}
std::string logFile = output_dir + "/LOGFILE.txt";
Opm::ParserPtr parser(new Opm::Parser());
{
std::shared_ptr<Opm::StreamLog> streamLog = std::make_shared<Opm::StreamLog>(logFile , Opm::Log::DefaultMessageTypes);
std::shared_ptr<Opm::CounterLog> counterLog = std::make_shared<Opm::CounterLog>(Opm::Log::DefaultMessageTypes);
Opm::OpmLog::addBackend( "STREAM" , streamLog );
Opm::OpmLog::addBackend( "COUNTER" , counterLog );
}
Opm::DeckConstPtr deck;
std::shared_ptr<EclipseState> eclipseState;
Opm::ParseMode parseMode;
try {
deck = parser->parseFile(deck_filename , parseMode);
Opm::checkDeck(deck);
eclipseState.reset(new Opm::EclipseState(deck , parseMode));
}
catch (const std::invalid_argument& e) {
std::cerr << "Failed to create valid ECLIPSESTATE object. See logfile: " << logFile << std::endl;
std::cerr << "Exception caught: " << e.what() << std::endl;
return EXIT_FAILURE;
}
// Grid init
std::vector<double> porv = eclipseState->getDoubleGridProperty("PORV")->getData();
grid.reset(new GridManager(eclipseState->getEclipseGrid(), porv));
auto &cGrid = *grid->c_grid();
const PhaseUsage pu = Opm::phaseUsageFromDeck(deck);
// Rock and fluid init
std::vector<int> compressedToCartesianIdx;
Opm::createGlobalCellArray(*grid->c_grid(), compressedToCartesianIdx);
typedef BlackoilPropsAdFromDeck::MaterialLawManager MaterialLawManager;
auto materialLawManager = std::make_shared<MaterialLawManager>();
materialLawManager->initFromDeck(deck, eclipseState, compressedToCartesianIdx);
props.reset(new BlackoilPropertiesFromDeck( deck, eclipseState, materialLawManager,
Opm::UgGridHelpers::numCells(cGrid),
Opm::UgGridHelpers::globalCell(cGrid),
Opm::UgGridHelpers::cartDims(cGrid),
param));
new_props.reset(new BlackoilPropsAdFromDeck(deck, eclipseState, materialLawManager, cGrid));
const bool polymer = deck->hasKeyword("POLYMER");
const bool use_wpolymer = deck->hasKeyword("WPOLYMER");
PolymerProperties polymer_props(deck, eclipseState);
PolymerPropsAd polymer_props_ad(polymer_props);
// check_well_controls = param.getDefault("check_well_controls", false);
// max_well_control_iterations = param.getDefault("max_well_control_iterations", 10);
// Rock compressibility.
rock_comp.reset(new RockCompressibility(deck, eclipseState));
// Gravity.
gravity[2] = deck->hasKeyword("NOGRAV") ? 0.0 : unit::gravity;
// Init state variables (saturation and pressure).
if (param.has("init_saturation")) {
initStateBasic(*grid->c_grid(), *props, param, gravity[2], state);
initBlackoilSurfvol(*grid->c_grid(), *props, state);
enum { Oil = BlackoilPhases::Liquid, Gas = BlackoilPhases::Vapour };
if (pu.phase_used[Oil] && pu.phase_used[Gas]) {
const int np = props->numPhases();
const int nc = grid->c_grid()->number_of_cells;
for (int c = 0; c < nc; ++c) {
state.gasoilratio()[c] = state.surfacevol()[c*np + pu.phase_pos[Gas]]
/ state.surfacevol()[c*np + pu.phase_pos[Oil]];
}
}
} else if (deck->hasKeyword("EQUIL") && props->numPhases() == 3) {
state.init(*grid->c_grid(), props->numPhases());
const double grav = param.getDefault("gravity", unit::gravity);
initStateEquil(*grid->c_grid(), *props, deck, eclipseState, grav, state);
state.faceflux().resize(grid->c_grid()->number_of_faces, 0.0);
} else {
initBlackoilStateFromDeck(*grid->c_grid(), *props, deck, gravity[2], state);
}
// The capillary pressure is scaled in new_props to match the scaled capillary pressure in props.
if (deck->hasKeyword("SWATINIT")) {
const int nc = grid->c_grid()->number_of_cells;
std::vector<int> cells(nc);
for (int c = 0; c < nc; ++c) { cells[c] = c; }
std::vector<double> pc = state.saturation();
props->capPress(nc, state.saturation().data(), cells.data(), pc.data(),NULL);
new_props->setSwatInitScaling(state.saturation(),pc);
}
bool use_gravity = (gravity[0] != 0.0 || gravity[1] != 0.0 || gravity[2] != 0.0);
const double *grav = use_gravity ? &gravity[0] : 0;
// Solver for Newton iterations.
std::unique_ptr<NewtonIterationBlackoilInterface> fis_solver;
if (param.getDefault("use_cpr", true)) {
fis_solver.reset(new NewtonIterationBlackoilCPR(param));
} else {
fis_solver.reset(new NewtonIterationBlackoilSimple(param));
}
Opm::ScheduleConstPtr schedule = eclipseState->getSchedule();
Opm::TimeMapConstPtr timeMap(schedule->getTimeMap());
SimulatorTimer simtimer;
// initialize variables
simtimer.init(timeMap);
if (polymer){
if (!use_wpolymer) {
OPM_MESSAGE("Warning: simulate polymer injection without WPOLYMER.");
} else {
if (param.has("polymer_start_days")) {
OPM_MESSAGE("Warning: Using WPOLYMER to control injection since it was found in deck."
"You seem to be trying to control it via parameter poly_start_days (etc.) as well.");
}
}
} else {
if (use_wpolymer) {
OPM_MESSAGE("Warning: use WPOLYMER in a non-polymer scenario.");
}
}
bool use_local_perm = param.getDefault("use_local_perm", true);
Opm::DerivedGeology geology(*grid->c_grid(), *new_props, eclipseState, use_local_perm, grav);
std::map<std::pair<int, int>, double> maxDp;
computeMaxDp(maxDp, deck, eclipseState, *grid->c_grid(), state, *props, gravity[2]);
std::vector<double> threshold_pressures = thresholdPressures(deck, eclipseState, *grid->c_grid(), maxDp);
Opm::BlackoilOutputWriter
outputWriter(cGrid, param, eclipseState, pu,
new_props->permeability());
SimulatorFullyImplicitBlackoilPolymer<UnstructuredGrid>
simulator(param,
*grid->c_grid(),
geology,
*new_props,
polymer_props_ad,
rock_comp->isActive() ? rock_comp.get() : 0,
*fis_solver,
grav,
deck->hasKeyword("DISGAS"),
deck->hasKeyword("VAPOIL"),
polymer,
deck->hasKeyword("PLYSHLOG"),
deck->hasKeyword("SHRATE"),
eclipseState,
outputWriter,
deck,
threshold_pressures);
if (!schedule->initOnly()){
std::cout << "\n\n================ Starting main simulation loop ===============\n"
<< std::flush;
SimulatorReport fullReport = simulator.run(simtimer, state);
std::cout << "\n\n================ End of simulation ===============\n\n";
fullReport.report(std::cout);
if (output) {
std::string filename = output_dir + "/walltime.txt";
std::fstream tot_os(filename.c_str(),std::fstream::trunc | std::fstream::out);
fullReport.reportParam(tot_os);
warnIfUnusedParams(param);
}
} else {
outputWriter.writeInit( simtimer );
std::cout << "\n\n================ Simulation turned off ===============\n" << std::flush;
}
}
catch (const std::exception &e) {
std::cerr << "Program threw an exception: " << e.what() << "\n";
throw;
}
