OilfieldToolsNet/opm-simulators
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Fix bugs in the TUNING implementation in ebos

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This commit is contained in:
Tor Harald Sandve 2019-03-11 10:18:27 +01:00
parent 81c709fabd
commit a6e82886bb
1 changed files with 19 additions and 22 deletions
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41
ebos/eclproblem.hh
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@ -619,7 +619,7 @@ public:
initialTimeStepSize_ = tuning.getTSINIT(0);
maxTimeStepAfterWellEvent_ = tuning.getTMAXWC(0);
maxTimeStepSize_ = tuning.getTSMAXZ(0);
restartShrinkFactor_ = tuning.getTSFCNV(0);
restartShrinkFactor_ = 1./tuning.getTSFCNV(0);
minTimeStepSize_ = tuning.getTSMINZ(0);
}
@ -764,19 +764,6 @@ public:
updatePffDofData_();
}
// react to TUNING changes
if (nextEpisodeIdx > 0
&& enableTuning_
&& events.hasEvent(Opm::ScheduleEvents::TUNING_CHANGE, nextEpisodeIdx))
{
const auto& tuning = schedule.getTuning();
initialTimeStepSize_ = tuning.getTSINIT(nextEpisodeIdx);
maxTimeStepAfterWellEvent_ = tuning.getTMAXWC(nextEpisodeIdx);
maxTimeStepSize_ = tuning.getTSMAXZ(nextEpisodeIdx);
restartShrinkFactor_ = tuning.getTSFCNV(nextEpisodeIdx);
minTimeStepSize_ = tuning.getTSMINZ(nextEpisodeIdx);
}
// Opm::TimeMap deals with points in time, so the number of time intervals (i.e.,
// report steps) is one less!
int numReportSteps = timeMap.size() - 1;
@ -789,12 +776,28 @@ public:
++ nextEpisodeIdx;
}
// react to TUNING changes
bool tuningEvent = false;
if (nextEpisodeIdx > 0
&& enableTuning_
&& events.hasEvent(Opm::ScheduleEvents::TUNING_CHANGE, nextEpisodeIdx))
{
const auto& tuning = schedule.getTuning();
initialTimeStepSize_ = tuning.getTSINIT(nextEpisodeIdx);
maxTimeStepAfterWellEvent_ = tuning.getTMAXWC(nextEpisodeIdx);
maxTimeStepSize_ = tuning.getTSMAXZ(nextEpisodeIdx);
restartShrinkFactor_ = 1./tuning.getTSFCNV(nextEpisodeIdx);
minTimeStepSize_ = tuning.getTSMINZ(nextEpisodeIdx);
tuningEvent = true;
}
Scalar episodeLength = timeMap.getTimeStepLength(nextEpisodeIdx);
simulator.startNextEpisode(episodeLength);
Scalar dt = limitNextTimeStepSize_(episodeLength);
if (nextEpisodeIdx == 0)
if (nextEpisodeIdx == 0 || tuningEvent)
// allow the size of the initial time step to be set via an external parameter
// if TUNING is enabled, also limit the time step size after a tuning event to TSINIT
dt = std::min(dt, initialTimeStepSize_);
simulator.setTimeStepSize(dt);
@ -2607,12 +2610,6 @@ private:
// first thing in the morning, limit the time step size to the maximum size
dtNext = std::min(dtNext, maxTimeStepSize_);
// if TUNING is enabled, limit the time step size after a tuning event to TSINIT
if (enableTuning_ && events.hasEvent(Opm::ScheduleEvents::TUNING_CHANGE, episodeIdx)) {
const auto& tuning = this->simulator().vanguard().schedule().getTuning();
return std::min(dtNext, tuning.getTSINIT(episodeIdx));
}
// use at least slightly more than half of the maximum time step size by default
if (dtNext < maxTimeStepSize_ && maxTimeStepSize_ < dtNext*2)
dtNext = 1.01 * maxTimeStepSize_/2.0;
@ -2641,7 +2638,7 @@ private:
|| events.hasEvent(Opm::ScheduleEvents::PRODUCTION_UPDATE, reportStepIdx)
|| events.hasEvent(Opm::ScheduleEvents::INJECTION_UPDATE, reportStepIdx)
|| events.hasEvent(Opm::ScheduleEvents::WELL_STATUS_CHANGE, reportStepIdx);
if (episodeIdx >= 0 && wellEventOccured)
if (episodeIdx >= 0 && wellEventOccured && maxTimeStepAfterWellEvent_ > 0)
dtNext = std::min(dtNext, maxTimeStepAfterWellEvent_);
return dtNext;