/// Called once before each time step.
/// \param[in] timer simulation timer
void prepareStep(const SimulatorTimerInterface& timer)
{
// update the solution variables in ebos
if ( timer.lastStepFailed() ) {
ebosSimulator_.model().updateFailed();
} else {
ebosSimulator_.model().advanceTimeLevel();
}
// set the timestep size and episode index for ebos explicitly. ebos needs to
// know the report step/episode index because of timing dependend data
// despide the fact that flow uses its own time stepper. (The length of the
// episode does not matter, though.)
ebosSimulator_.setTime(timer.simulationTimeElapsed());
ebosSimulator_.setTimeStepSize(timer.currentStepLength());
ebosSimulator_.problem().beginTimeStep();
unsigned numDof = ebosSimulator_.model().numGridDof();
wasSwitched_.resize(numDof);
std::fill(wasSwitched_.begin(), wasSwitched_.end(), false);
if (param_.update_equations_scaling_) {
std::cout << "equation scaling not suported yet" << std::endl;
//updateEquationsScaling();
}
}
void
BlackoilMultiSegmentModel<Grid>::
prepareStep(const SimulatorTimerInterface& timer,
const ReservoirState& reservoir_state,
const WellState& well_state)
{
const double dt = timer.currentStepLength();
pvdt_ = geo_.poreVolume() / dt;
if (active_[Gas]) {
updatePrimalVariableFromState(reservoir_state);
}
const int nw = wellsMultiSegment().size();
if ( !msWellOps().has_multisegment_wells ) {
wellModel().segVDt() = V::Zero(nw);
return;
}
const int nseg_total = well_state.numSegments();
std::vector<double> segment_volume;
segment_volume.reserve(nseg_total);
for (int w = 0; w < nw; ++w) {
WellMultiSegmentConstPtr well = wellsMultiSegment()[w];
const std::vector<double>& segment_volume_well = well->segmentVolume();
segment_volume.insert(segment_volume.end(), segment_volume_well.begin(), segment_volume_well.end());
}
assert(int(segment_volume.size()) == nseg_total);
wellModel().segVDt() = Eigen::Map<V>(segment_volume.data(), nseg_total) / dt;
}
AdaptiveSimulatorTimer::
AdaptiveSimulatorTimer( const SimulatorTimerInterface& timer,
const double lastStepTaken,
const double maxTimeStep )
: start_date_time_( timer.startDateTime() )
, start_time_( timer.simulationTimeElapsed() )
, total_time_( start_time_ + timer.currentStepLength() )
, report_step_( timer.reportStepNum() )
, max_time_step_( maxTimeStep )
, current_time_( start_time_ )
, dt_( 0.0 )
, current_step_( 0 )
, steps_()
{
// reserve memory for sub steps
steps_.reserve( 10 );
// set appropriate value for dt_
provideTimeStepEstimate( lastStepTaken );
}