SimulatorReport SimulatorBase<Implementation>::run(SimulatorTimer& timer,
ReservoirState& state)
{
WellState prev_well_state;
// Create timers and file for writing timing info.
Opm::time::StopWatch solver_timer;
double stime = 0.0;
Opm::time::StopWatch step_timer;
Opm::time::StopWatch total_timer;
total_timer.start();
std::string tstep_filename = output_writer_.outputDirectory() + "/step_timing.txt";
std::ofstream tstep_os(tstep_filename.c_str());
// adaptive time stepping
std::unique_ptr< AdaptiveTimeStepping > adaptiveTimeStepping;
if( param_.getDefault("timestep.adaptive", true ) )
{
adaptiveTimeStepping.reset( new AdaptiveTimeStepping( param_, solver_.parallelInformation() ) );
}
// init output writer
output_writer_.writeInit( timer );
std::string restorefilename = param_.getDefault("restorefile", std::string("") );
if( ! restorefilename.empty() )
{
// -1 means that we'll take the last report step that was written
const int desiredRestoreStep = param_.getDefault("restorestep", int(-1) );
output_writer_.restore( timer, state, prev_well_state, restorefilename, desiredRestoreStep );
}
unsigned int totalNewtonIterations = 0;
unsigned int totalLinearIterations = 0;
// Main simulation loop.
while (!timer.done()) {
// Report timestep.
step_timer.start();
if ( terminal_output_ )
{
timer.report(std::cout);
}
// Create wells and well state.
WellsManager wells_manager(eclipse_state_,
timer.currentStepNum(),
Opm::UgGridHelpers::numCells(grid_),
Opm::UgGridHelpers::globalCell(grid_),
Opm::UgGridHelpers::cartDims(grid_),
Opm::UgGridHelpers::dimensions(grid_),
Opm::UgGridHelpers::cell2Faces(grid_),
Opm::UgGridHelpers::beginFaceCentroids(grid_),
props_.permeability(),
is_parallel_run_);
const Wells* wells = wells_manager.c_wells();
WellState well_state;
well_state.init(wells, state, prev_well_state);
// give the polymer and surfactant simulators the chance to do their stuff
asImpl().handleAdditionalWellInflow(timer, wells_manager, well_state, wells);
// write simulation state at the report stage
output_writer_.writeTimeStep( timer, state, well_state );
// Max oil saturation (for VPPARS), hysteresis update.
props_.updateSatOilMax(state.saturation());
props_.updateSatHyst(state.saturation(), allcells_);
// Compute reservoir volumes for RESV controls.
asImpl().computeRESV(timer.currentStepNum(), wells, state, well_state);
// Run a multiple steps of the solver depending on the time step control.
solver_timer.start();
auto solver = asImpl().createSolver(wells);
// If sub stepping is enabled allow the solver to sub cycle
// in case the report steps are too large for the solver to converge
//
// \Note: The report steps are met in any case
// \Note: The sub stepping will require a copy of the state variables
if( adaptiveTimeStepping ) {
adaptiveTimeStepping->step( timer, *solver, state, well_state, output_writer_ );
}
else {
// solve for complete report step
solver->step(timer.currentStepLength(), state, well_state);
}
// take time that was used to solve system for this reportStep
solver_timer.stop();
// accumulate the number of Newton and Linear Iterations
totalNewtonIterations += solver->newtonIterations();
totalLinearIterations += solver->linearIterations();
// Report timing.
const double st = solver_timer.secsSinceStart();
if ( terminal_output_ )
{
std::cout << "Fully implicit solver took: " << st << " seconds." << std::endl;
}
stime += st;
if ( output_writer_.output() ) {
SimulatorReport step_report;
step_report.pressure_time = st;
step_report.total_time = step_timer.secsSinceStart();
step_report.reportParam(tstep_os);
}
// Increment timer, remember well state.
++timer;
prev_well_state = well_state;
}
// Write final simulation state.
output_writer_.writeTimeStep( timer, state, prev_well_state );
// Stop timer and create timing report
total_timer.stop();
SimulatorReport report;
report.pressure_time = stime;
report.transport_time = 0.0;
report.total_time = total_timer.secsSinceStart();
report.total_newton_iterations = totalNewtonIterations;
report.total_linear_iterations = totalLinearIterations;
return report;
}
SimulatorReport SimulatorFullyImplicitCompressiblePolymer::Impl::run(SimulatorTimer& timer,
PolymerBlackoilState& state)
{
WellStateFullyImplicitBlackoil prev_well_state;
// Initialisation.
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);
}
std::vector<double> initial_porevol = porevol;
std::vector<double> polymer_inflow_c(grid_.number_of_cells);
// Main simulation loop.
Opm::time::StopWatch solver_timer;
double stime = 0.0;
Opm::time::StopWatch step_timer;
Opm::time::StopWatch total_timer;
total_timer.start();
std::string tstep_filename = output_dir_ + "/step_timing.txt";
std::ofstream tstep_os(tstep_filename.c_str());
//Main simulation loop.
while (!timer.done()) {
#if 0
double tot_injected[2] = { 0.0 };
double tot_produced[2] = { 0.0 };
Opm::Watercut watercut;
watercut.push(0.0, 0.0, 0.0);
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);
}
std::fstream tstep_os;
if (output_) {
std::string filename = output_dir_ + "/step_timing.param";
tstep_os.open(filename.c_str(), std::fstream::out | std::fstream::app);
}
#endif
// Report timestep and (optionally) write state to disk.
step_timer.start();
timer.report(std::cout);
WellsManager wells_manager(eclipse_state_,
timer.currentStepNum(),
Opm::UgGridHelpers::numCells(grid_),
Opm::UgGridHelpers::globalCell(grid_),
Opm::UgGridHelpers::cartDims(grid_),
Opm::UgGridHelpers::dimensions(grid_),
Opm::UgGridHelpers::cell2Faces(grid_),
Opm::UgGridHelpers::beginFaceCentroids(grid_),
props_.permeability());
const Wells* wells = wells_manager.c_wells();
WellStateFullyImplicitBlackoil well_state;
well_state.init(wells, state.blackoilState(), prev_well_state);
//Compute polymer inflow.
std::unique_ptr<PolymerInflowInterface> polymer_inflow_ptr;
if (deck_->hasKeyword("WPOLYMER")) {
if (wells_manager.c_wells() == 0) {
OPM_THROW(std::runtime_error, "Cannot control polymer injection via WPOLYMER without wells.");
}
polymer_inflow_ptr.reset(new PolymerInflowFromDeck(deck_, eclipse_state_, *wells, Opm::UgGridHelpers::numCells(grid_), timer.currentStepNum()));
} else {
polymer_inflow_ptr.reset(new PolymerInflowBasic(0.0*Opm::unit::day,
1.0*Opm::unit::day,
0.0));
}
std::vector<double> polymer_inflow_c(Opm::UgGridHelpers::numCells(grid_));
polymer_inflow_ptr->getInflowValues(timer.simulationTimeElapsed(),
timer.simulationTimeElapsed() + timer.currentStepLength(),
polymer_inflow_c);
if (output_ && (timer.currentStepNum() % output_interval_ == 0)) {
if (output_vtk_) {
outputStateVtk(grid_, state, timer.currentStepNum(), output_dir_);
}
outputStateMatlab(grid_, state, timer.currentStepNum(), output_dir_);
}
if (output_) {
if (timer.currentStepNum() == 0) {
output_writer_.writeInit(timer);
}
output_writer_.writeTimeStep(timer, state.blackoilState(), well_state);
}
// Run solver.
solver_timer.start();
FullyImplicitCompressiblePolymerSolver solver(grid_, props_, geo_, rock_comp_props_, polymer_props_, *wells_manager.c_wells(), linsolver_);
solver.step(timer.currentStepLength(), state, well_state, polymer_inflow_c);
// Stop timer and report.
solver_timer.stop();
const double st = solver_timer.secsSinceStart();
std::cout << "Fully implicit solver took: " << st << " seconds." << std::endl;
stime += st;
// 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);
}
/*
double injected[2] = { 0.0 };
double produced[2] = { 0.0 };
double polyinj = 0;
double polyprod = 0;
Opm::computeInjectedProduced(props_, polymer_props_,
state,
transport_src, polymer_inflow_c, timer.currentStepLength(),
injected, produced,
polyinj, polyprod);
tot_injected[0] += injected[0];
tot_injected[1] += injected[1];
tot_produced[0] += produced[0];
tot_produced[1] += produced[1];
watercut.push(timer.simulationTimeElapsed() + timer.currentStepLength(),
produced[0]/(produced[0] + produced[1]),
tot_produced[0]/tot_porevol_init);
std::cout.precision(5);
const int width = 18;
std::cout << "\nMass balance report.\n";
std::cout << " Injected reservoir volumes: "
<< std::setw(width) << injected[0]
<< std::setw(width) << injected[1] << std::endl;
std::cout << " Produced reservoir volumes: "
<< std::setw(width) << produced[0]
<< std::setw(width) << produced[1] << std::endl;
std::cout << " Total inj reservoir volumes: "
<< std::setw(width) << tot_injected[0]
<< std::setw(width) << tot_injected[1] << std::endl;
std::cout << " Total prod reservoir volumes: "
<< std::setw(width) << tot_produced[0]
<< std::setw(width) << tot_produced[1] << std::endl;
*/
if (output_) {
SimulatorReport step_report;
step_report.pressure_time = st;
step_report.total_time = step_timer.secsSinceStart();
step_report.reportParam(tstep_os);
}
++timer;
prev_well_state = well_state;
}
// Write final simulation state.
if (output_) {
if (output_vtk_) {
outputStateVtk(grid_, state, timer.currentStepNum(), output_dir_);
}
outputStateMatlab(grid_, state, timer.currentStepNum(), output_dir_);
output_writer_.writeTimeStep(timer, state.blackoilState(), prev_well_state);
}
total_timer.stop();
SimulatorReport report;
report.pressure_time = stime;
report.transport_time = 0.0;
report.total_time = total_timer.secsSinceStart();
return report;
}
SimulatorReport SimulatorBase<Implementation>::run(SimulatorTimer& timer,
ReservoirState& state)
{
WellState prev_well_state;
if (output_writer_.isRestart()) {
// This is a restart, populate WellState and ReservoirState state objects from restart file
output_writer_.initFromRestartFile(props_.phaseUsage(), props_.permeability(), grid_, state, prev_well_state);
}
// Create timers and file for writing timing info.
Opm::time::StopWatch solver_timer;
double stime = 0.0;
Opm::time::StopWatch step_timer;
Opm::time::StopWatch total_timer;
total_timer.start();
std::string tstep_filename = output_writer_.outputDirectory() + "/step_timing.txt";
std::ofstream tstep_os(tstep_filename.c_str());
const auto& schedule = eclipse_state_->getSchedule();
const auto& events = schedule->getEvents();
// adaptive time stepping
std::unique_ptr< AdaptiveTimeStepping > adaptiveTimeStepping;
if( param_.getDefault("timestep.adaptive", true ) )
{
adaptiveTimeStepping.reset( new AdaptiveTimeStepping( param_, terminal_output_ ) );
}
// init output writer
output_writer_.writeInit( timer );
std::string restorefilename = param_.getDefault("restorefile", std::string("") );
if( ! restorefilename.empty() )
{
// -1 means that we'll take the last report step that was written
const int desiredRestoreStep = param_.getDefault("restorestep", int(-1) );
output_writer_.restore( timer, state, prev_well_state, restorefilename, desiredRestoreStep );
}
unsigned int totalNonlinearIterations = 0;
unsigned int totalLinearIterations = 0;
bool is_well_potentials_computed = param_.getDefault("compute_well_potentials", false );
std::vector<double> well_potentials;
// Main simulation loop.
while (!timer.done()) {
// Report timestep.
step_timer.start();
if ( terminal_output_ )
{
timer.report(std::cout);
}
// Create wells and well state.
WellsManager wells_manager(eclipse_state_,
timer.currentStepNum(),
Opm::UgGridHelpers::numCells(grid_),
Opm::UgGridHelpers::globalCell(grid_),
Opm::UgGridHelpers::cartDims(grid_),
Opm::UgGridHelpers::dimensions(grid_),
Opm::UgGridHelpers::cell2Faces(grid_),
Opm::UgGridHelpers::beginFaceCentroids(grid_),
props_.permeability(),
is_parallel_run_,
well_potentials);
const Wells* wells = wells_manager.c_wells();
WellState well_state;
well_state.init(wells, state, prev_well_state);
// give the polymer and surfactant simulators the chance to do their stuff
asImpl().handleAdditionalWellInflow(timer, wells_manager, well_state, wells);
// write simulation state at the report stage
output_writer_.writeTimeStep( timer, state, well_state );
// Max oil saturation (for VPPARS), hysteresis update.
props_.updateSatOilMax(state.saturation());
props_.updateSatHyst(state.saturation(), allcells_);
// Compute reservoir volumes for RESV controls.
asImpl().computeRESV(timer.currentStepNum(), wells, state, well_state);
// Run a multiple steps of the solver depending on the time step control.
solver_timer.start();
auto solver = asImpl().createSolver(wells);
// If sub stepping is enabled allow the solver to sub cycle
// in case the report steps are too large for the solver to converge
//
// \Note: The report steps are met in any case
// \Note: The sub stepping will require a copy of the state variables
if( adaptiveTimeStepping ) {
adaptiveTimeStepping->step( timer, *solver, state, well_state, output_writer_ );
}
else {
// solve for complete report step
solver->step(timer.currentStepLength(), state, well_state);
}
// update the derived geology (transmissibilities, pore volumes, etc) if the
// has geology changed for the next report step
const int nextTimeStepIdx = timer.currentStepNum() + 1;
if (nextTimeStepIdx < timer.numSteps()
&& events.hasEvent(ScheduleEvents::GEO_MODIFIER, nextTimeStepIdx)) {
// bring the contents of the keywords to the current state of the SCHEDULE
// section
//
// TODO (?): handle the parallel case (maybe this works out of the box)
DeckConstPtr miniDeck = schedule->getModifierDeck(nextTimeStepIdx);
eclipse_state_->applyModifierDeck(miniDeck);
geo_.update(grid_, props_, eclipse_state_, gravity_);
}
// take time that was used to solve system for this reportStep
solver_timer.stop();
// accumulate the number of nonlinear and linear Iterations
totalNonlinearIterations += solver->nonlinearIterations();
totalLinearIterations += solver->linearIterations();
// Report timing.
const double st = solver_timer.secsSinceStart();
// accumulate total time
stime += st;
if ( terminal_output_ )
{
std::cout << "Fully implicit solver took: " << st << " seconds. Total solver time taken: " << stime << " seconds." << std::endl;
}
if ( output_writer_.output() ) {
SimulatorReport step_report;
step_report.pressure_time = st;
step_report.total_time = step_timer.secsSinceStart();
step_report.reportParam(tstep_os);
}
// Increment timer, remember well state.
++timer;
prev_well_state = well_state;
// The well potentials are only computed if they are needed
// For now thay are only used to determine default guide rates for group controlled wells
if ( is_well_potentials_computed ) {
asImpl().computeWellPotentials(wells, well_state, well_potentials);
}
}
// Write final simulation state.
output_writer_.writeTimeStep( timer, state, prev_well_state );
// Stop timer and create timing report
total_timer.stop();
SimulatorReport report;
report.pressure_time = stime;
report.transport_time = 0.0;
report.total_time = total_timer.secsSinceStart();
report.total_newton_iterations = totalNonlinearIterations;
report.total_linear_iterations = totalLinearIterations;
return report;
}
