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subCycle: Updated handling of the old-time field and timeIndex to support outer-iterations

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This commit is contained in:
Henry
2012-11-14 15:47:04 +00:00
parent 06b0bac617
commit 051afeb419
1 changed files with 29 additions and 8 deletions
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37
src/OpenFOAM/algorithms/subCycle/subCycle.H
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@ -51,8 +51,13 @@ class subCycleField
//- Reference to the field being sub-cycled
GeometricField& gf_;
//- Reference to the field old-time field being sub-cycled
// Needed to avoid calls to oldTime() which may cause
// unexpected updates of the old-time field
GeometricField& gf0_;
//- Copy of the "real" old-time value of the field
GeometricField gf0_;
GeometricField gf_0_;
public:
@ -63,19 +68,33 @@ public:
subCycleField(GeometricField& gf)
:
gf_(gf),
gf0_(gf.oldTime())
gf0_(gf.oldTime()),
gf_0_(gf0_.name() + "_", gf0_)
{}
//- Destructor
~subCycleField()
{
// Reset the old-time field
gf0_ = gf_0_;
// Correct the time index of the field to correspond to the global time
gf_.timeIndex() = gf_.time().timeIndex();
gf0_.timeIndex() = gf_.time().timeIndex();
}
// Reset the old-time field value
gf_.oldTime() = gf0_;
gf_.oldTime().timeIndex() = gf0_.timeIndex();
//- Correct the time index of the field to correspond to
// the sub-cycling time.
//
// The time index is incremented to protect the old-time value from
// being updated at the beginning of the time-loop in the case of
// outer iteration
void updateTimeIndex()
{
gf_.timeIndex() = gf_.time().timeIndex() + 1;
gf0_.timeIndex() = gf_.time().timeIndex() + 1;
}
};
@ -106,16 +125,18 @@ public:
//- Construct field and number of sub-cycles
subCycle(GeometricField& gf, const label nSubCycles)
:
subCycleField<GeometricField>(gf),
subCycleTime(const_cast<Time&>(gf.time()), nSubCycles)
{}
{
// Update the field time index to correspond to the sub-cycle time
this->updateTimeIndex();
}
//- Destructor
// End the subCycleTime, which restores the time state
~subCycle()
{
// End the subCycleTime, which restores the time state
endSubCycle();
}
};