opm-simulators/opm/autodiff/SimulatorFullyImplicitBlackoilMultiSegment_impl.hpp
2017-03-03 13:47:09 +01:00

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/*
Copyright 2013 SINTEF ICT, Applied Mathematics.
Copyright 2014 IRIS AS
Copyright 2015 Andreas Lauser
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Opm
{
template <class GridT>
auto SimulatorFullyImplicitBlackoilMultiSegment<GridT>::
createSolver(const WellModel& well_model)
-> std::unique_ptr<Solver>
{
typedef typename Traits::Model Model;
auto model = std::unique_ptr<Model>(new Model(model_param_,
grid_,
props_,
geo_,
rock_comp_props_,
well_model,
solver_,
eclipse_state_,
has_disgas_,
has_vapoil_,
terminal_output_));
if (!Base::threshold_pressures_by_face_.empty()) {
model->setThresholdPressures(Base::threshold_pressures_by_face_);
}
return std::unique_ptr<ThisType::Solver>(new Solver(Base::solver_param_, std::move(model)));
}
template <class GridT>
SimulatorReport SimulatorFullyImplicitBlackoilMultiSegment<GridT>::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_, terminal_output_ ) );
}
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;
DynamicListEconLimited dynamic_list_econ_limited;
bool ooip_computed = false;
std::vector<int> fipnum_global = eclipse_state_->get3DProperties().getIntGridProperty("FIPNUM").getData();
//Get compressed cell fipnum.
std::vector<int> fipnum(AutoDiffGrid::numCells(grid_));
if (fipnum_global.empty()) {
std::fill(fipnum.begin(), fipnum.end(), 0);
} else {
for (size_t c = 0; c < fipnum.size(); ++c) {
fipnum[c] = fipnum_global[AutoDiffGrid::globalCell(grid_)[c]];
}
}
std::vector<std::vector<double> > OOIP;
// 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_),
dynamic_list_econ_limited,
is_parallel_run_,
// We need to pass the optionaly arguments
// as we get the following error otherwise
// with c++ (Debian 4.9.2-10) 4.9.2 and -std=c++11
// converting to const std::unordered_set<std::basic_string<char> > from initializer list would use explicit constructor
std::vector<double>(), // null well_potentials
Base::defunct_well_names_);
const Wells* wells = wells_manager.c_wells();
WellState well_state;
// well_state.init(wells, state, prev_well_state);
const auto wells_ecl = eclipse_state_->getSchedule().getWells(timer.currentStepNum());
const int current_time_step = timer.currentStepNum();
const WellModel well_model(wells, &(wells_manager.wellCollection()), wells_ecl, current_time_step);
well_state.init(well_model, state, prev_well_state, wells);
// give the polymer and surfactant simulators the chance to do their stuff
Base::asImpl().handleAdditionalWellInflow(timer, wells_manager, well_state, wells);
// write the inital state at the report stage
if (timer.initialStep()) {
// No per cell data is written for initial step, but will be
// for subsequent steps, when we have started simulating
output_writer_.writeTimeStepWithoutCellProperties( 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.
Base::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 = createSolver(well_model);
// Compute orignal FIP;
if (!ooip_computed) {
OOIP = solver->computeFluidInPlace(state, fipnum);
Base::FIPUnitConvert(eclipse_state_->getUnits(), OOIP);
ooip_computed = true;
}
// 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, state, well_state);
}
// 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();
// Compute current FIP.
std::vector<std::vector<double> > COIP;
COIP = solver->computeFluidInPlace(state, fipnum);
std::vector<double> OOIP_totals = Base::FIPTotals(OOIP, state);
std::vector<double> COIP_totals = Base::FIPTotals(COIP, state);
//Convert to correct units
Base::FIPUnitConvert(eclipse_state_->getUnits(), COIP);
Base::FIPUnitConvert(eclipse_state_->getUnits(), OOIP_totals);
Base::FIPUnitConvert(eclipse_state_->getUnits(), COIP_totals);
if ( terminal_output_ )
{
Base::outputFluidInPlace(OOIP_totals, COIP_totals,eclipse_state_->getUnits(), 0);
for (size_t reg = 0; reg < OOIP.size(); ++reg) {
Base::outputFluidInPlace(OOIP[reg], COIP[reg], eclipse_state_->getUnits(), reg+1);
}
}
if ( terminal_output_ )
{
std::cout << "Fully implicit solver took: " << st << " seconds." << std::endl;
}
stime += st;
if ( output_writer_.output() ) {
SimulatorReport step_report;
step_report.solver_time = st;
step_report.total_time = step_timer.secsSinceStart();
step_report.reportParam(tstep_os);
}
// Increment timer, remember well state.
++timer;
// write simulation state at the report stage
const auto& physicalModel = solver->model();
output_writer_.writeTimeStep( timer, state, well_state, physicalModel );
prev_well_state = well_state;
}
// Stop timer and create timing report
total_timer.stop();
SimulatorReport report;
report.total_time = total_timer.secsSinceStart();
report.solver_time = stime;
report.total_newton_iterations = totalNonlinearIterations;
report.total_linear_iterations = totalLinearIterations;
return report;
}
} // namespace Opm