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19a16ceeca
The time step after an event can either be set using timestep_in_days_after_event or using the TUNING keyword in the deck.
252 lines
11 KiB
C++
252 lines
11 KiB
C++
/*
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Copyright 2013 SINTEF ICT, Applied Mathematics.
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Copyright 2014 IRIS AS
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Copyright 2015 Andreas Lauser
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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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namespace Opm
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{
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template <class GridT>
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auto SimulatorFullyImplicitBlackoilMultiSegment<GridT>::
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createSolver(const WellModel& well_model)
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-> std::unique_ptr<Solver>
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{
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typedef typename Traits::Model Model;
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auto model = std::unique_ptr<Model>(new Model(model_param_,
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grid_,
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props_,
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geo_,
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rock_comp_props_,
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well_model,
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solver_,
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eclipse_state_,
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has_disgas_,
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has_vapoil_,
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terminal_output_));
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if (!Base::threshold_pressures_by_face_.empty()) {
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model->setThresholdPressures(Base::threshold_pressures_by_face_);
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}
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return std::unique_ptr<ThisType::Solver>(new Solver(Base::solver_param_, std::move(model)));
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}
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template <class GridT>
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SimulatorReport SimulatorFullyImplicitBlackoilMultiSegment<GridT>::run(SimulatorTimer& timer,
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ReservoirState& state)
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{
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WellState prev_well_state;
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// Create timers and file for writing timing info.
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Opm::time::StopWatch solver_timer;
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double stime = 0.0;
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Opm::time::StopWatch step_timer;
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Opm::time::StopWatch total_timer;
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total_timer.start();
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std::string tstep_filename = output_writer_.outputDirectory() + "/step_timing.txt";
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std::ofstream tstep_os(tstep_filename.c_str());
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// adaptive time stepping
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const auto& events = eclipse_state_->getSchedule().getEvents();
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std::unique_ptr< AdaptiveTimeStepping > adaptiveTimeStepping;
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if( param_.getDefault("timestep.adaptive", true ) )
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{
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adaptiveTimeStepping.reset( new AdaptiveTimeStepping( param_, terminal_output_ ) );
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}
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std::string restorefilename = param_.getDefault("restorefile", std::string("") );
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if( ! restorefilename.empty() )
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{
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// -1 means that we'll take the last report step that was written
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const int desiredRestoreStep = param_.getDefault("restorestep", int(-1) );
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output_writer_.restore( timer,
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state,
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prev_well_state,
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restorefilename,
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desiredRestoreStep );
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}
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unsigned int totalNonlinearIterations = 0;
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unsigned int totalLinearIterations = 0;
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DynamicListEconLimited dynamic_list_econ_limited;
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bool ooip_computed = false;
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std::vector<int> fipnum_global = eclipse_state_->get3DProperties().getIntGridProperty("FIPNUM").getData();
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//Get compressed cell fipnum.
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std::vector<int> fipnum(AutoDiffGrid::numCells(grid_));
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if (fipnum_global.empty()) {
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std::fill(fipnum.begin(), fipnum.end(), 0);
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} else {
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for (size_t c = 0; c < fipnum.size(); ++c) {
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fipnum[c] = fipnum_global[AutoDiffGrid::globalCell(grid_)[c]];
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}
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}
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std::vector<std::vector<double> > OOIP;
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// Main simulation loop.
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while (!timer.done()) {
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// Report timestep.
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step_timer.start();
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if ( terminal_output_ )
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{
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timer.report(std::cout);
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}
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// Create wells and well state.
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WellsManager wells_manager(*eclipse_state_,
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timer.currentStepNum(),
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Opm::UgGridHelpers::numCells(grid_),
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Opm::UgGridHelpers::globalCell(grid_),
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Opm::UgGridHelpers::cartDims(grid_),
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Opm::UgGridHelpers::dimensions(grid_),
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Opm::UgGridHelpers::cell2Faces(grid_),
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Opm::UgGridHelpers::beginFaceCentroids(grid_),
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dynamic_list_econ_limited,
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is_parallel_run_,
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// We need to pass the optionaly arguments
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// as we get the following error otherwise
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// with c++ (Debian 4.9.2-10) 4.9.2 and -std=c++11
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// converting to ‘const std::unordered_set<std::basic_string<char> >’ from initializer list would use explicit constructor
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std::vector<double>(), // null well_potentials
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Base::defunct_well_names_);
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const Wells* wells = wells_manager.c_wells();
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WellState well_state;
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// well_state.init(wells, state, prev_well_state);
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const auto wells_ecl = eclipse_state_->getSchedule().getWells(timer.currentStepNum());
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const int current_time_step = timer.currentStepNum();
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const WellModel well_model(wells, &(wells_manager.wellCollection()), wells_ecl, current_time_step);
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well_state.init(well_model, state, prev_well_state, wells);
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// give the polymer and surfactant simulators the chance to do their stuff
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Base::asImpl().handleAdditionalWellInflow(timer, wells_manager, well_state, wells);
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// write the inital state at the report stage
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if (timer.initialStep()) {
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// No per cell data is written for initial step, but will be
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// for subsequent steps, when we have started simulating
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output_writer_.writeTimeStepWithoutCellProperties( timer, state, well_state, {} );
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}
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// Max oil saturation (for VPPARS), hysteresis update.
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props_.updateSatOilMax(state.saturation());
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props_.updateSatHyst(state.saturation(), allcells_);
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// Compute reservoir volumes for RESV controls.
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Base::asImpl().computeRESV(timer.currentStepNum(), wells, state, well_state);
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// Run a multiple steps of the solver depending on the time step control.
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solver_timer.start();
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auto solver = createSolver(well_model);
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// Compute orignal FIP;
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if (!ooip_computed) {
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OOIP = solver->computeFluidInPlace(state, fipnum);
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Base::FIPUnitConvert(eclipse_state_->getUnits(), OOIP);
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ooip_computed = true;
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}
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// If sub stepping is enabled allow the solver to sub cycle
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// in case the report steps are too large for the solver to converge
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//
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// \Note: The report steps are met in any case
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// \Note: The sub stepping will require a copy of the state variables
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if( adaptiveTimeStepping ) {
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bool event = events.hasEvent(ScheduleEvents::NEW_WELL, timer.currentStepNum()) ||
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events.hasEvent(ScheduleEvents::PRODUCTION_UPDATE, timer.currentStepNum()) ||
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events.hasEvent(ScheduleEvents::INJECTION_UPDATE, timer.currentStepNum()) ||
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events.hasEvent(ScheduleEvents::WELL_STATUS_CHANGE, timer.currentStepNum());
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adaptiveTimeStepping->step( timer, *solver, state, well_state, event, output_writer_);
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}
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else {
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// solve for complete report step
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solver->step(timer, state, well_state);
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}
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// take time that was used to solve system for this reportStep
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solver_timer.stop();
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// accumulate the number of nonlinear and linear Iterations
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totalNonlinearIterations += solver->nonlinearIterations();
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totalLinearIterations += solver->linearIterations();
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// Report timing.
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const double st = solver_timer.secsSinceStart();
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// Compute current FIP.
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std::vector<std::vector<double> > COIP;
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COIP = solver->computeFluidInPlace(state, fipnum);
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std::vector<double> OOIP_totals = Base::FIPTotals(OOIP, state);
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std::vector<double> COIP_totals = Base::FIPTotals(COIP, state);
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//Convert to correct units
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Base::FIPUnitConvert(eclipse_state_->getUnits(), COIP);
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Base::FIPUnitConvert(eclipse_state_->getUnits(), OOIP_totals);
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Base::FIPUnitConvert(eclipse_state_->getUnits(), COIP_totals);
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if ( terminal_output_ )
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{
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Base::outputFluidInPlace(OOIP_totals, COIP_totals,eclipse_state_->getUnits(), 0);
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for (size_t reg = 0; reg < OOIP.size(); ++reg) {
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Base::outputFluidInPlace(OOIP[reg], COIP[reg], eclipse_state_->getUnits(), reg+1);
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}
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}
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if ( terminal_output_ )
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{
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std::cout << "Fully implicit solver took: " << st << " seconds." << std::endl;
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}
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stime += st;
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if ( output_writer_.output() ) {
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SimulatorReport step_report;
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step_report.solver_time = st;
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step_report.total_time = step_timer.secsSinceStart();
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step_report.reportParam(tstep_os);
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}
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// Increment timer, remember well state.
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++timer;
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// write simulation state at the report stage
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const auto& physicalModel = solver->model();
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output_writer_.writeTimeStep( timer, state, well_state, physicalModel );
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prev_well_state = well_state;
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}
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// Stop timer and create timing report
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total_timer.stop();
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SimulatorReport report;
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report.total_time = total_timer.secsSinceStart();
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report.solver_time = stime;
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report.total_newton_iterations = totalNonlinearIterations;
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report.total_linear_iterations = totalLinearIterations;
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return report;
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}
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} // namespace Opm
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