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Correctly treat transmissibilities for PINCH option(4) ALL.

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In that case processEclipseFormat will create NNCs over the pinched
out cells with correct transmissibilities. Those NNCs are marked as
being created in PINCH and used to overwrite calculated
transmissibilties for the horizontal intersections (transmissibilities
of normal NNCs are usually added).

Note that the trnasmissibilities (without the multipliers) do not
change later. Only the multipliers can change them in the schedule and
that will still happen.
This commit is contained in:
Markus Blatt 2024-09-04 21:33:42 +02:00
parent 47e7c7c5a3
commit e816ae4df3
3 changed files with 30 additions and 9 deletions
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4
opm/simulators/flow/GenericCpGridVanguard.cpp
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@ -390,7 +390,7 @@ void GenericCpGridVanguard<ElementMapper,GridView,Scalar>::doCreateGrids_(Eclips
#endif
// Note: removed_cells is guaranteed to be empty on ranks other than 0.
auto removed_cells =
auto [removed_cells, pinchedNncData] =
this->grid_->processEclipseFormat(input_grid,
&eclState,
/*isPeriodic=*/false,
@ -440,7 +440,7 @@ void GenericCpGridVanguard<ElementMapper,GridView,Scalar>::doCreateGrids_(Eclips
// when there is numerical aquifers, new NNC are generated during
// grid processing we need to pass the NNC from root process to
// other processes
if (has_numerical_aquifer && mpiSize > 1) {
if ((has_numerical_aquifer || !pinchedNncData.empty()) && mpiSize > 1) {
auto nnc_input = eclState.getInputNNC();
Parallel::MpiSerializer ser(grid_->comm());
ser.broadcast(nnc_input);

5
opm/simulators/flow/Transmissibility.hpp
View File

@ -221,9 +221,12 @@ protected:
*
* \param cartesianToCompressed Vector containing the compressed index (or -1 for inactive
* cells) as the element at the cartesian index.
* \param pinchOption4ALL Whether option 4 of PINCH is set to ALL. In this cases transmissibilities
* from the NNCs created by PINCH will overwrite.
* \return Nothing.
*/
void applyNncToGridTrans_(const std::unordered_map<std::size_t,int>& cartesianToCompressed);
void applyNncToGridTrans_(const std::unordered_map<std::size_t,int>& cartesianToCompressed,
bool pinchOption4ALL);
/// \brief Multiplies the grid transmissibilities according to EDITNNC.
void applyEditNncToGridTrans_(const std::unordered_map<std::size_t,int>& globalToLocal);

22
opm/simulators/flow/Transmissibility_impl.hpp
View File

@ -217,14 +217,22 @@ update(bool global, const TransUpdateQuantities update_quantities,
// Then the smallest multiplier is applied.
// Default is to apply the top and bottom multiplier
bool useSmallestMultiplier;
bool pinchOption4ALL;
bool pinchActive;
if (comm.rank() == 0) {
const auto& eclGrid = eclState_.getInputGrid();
pinchActive = eclGrid.isPinchActive();
auto pinchTransCalcMode = eclGrid.getPinchOption();
useSmallestMultiplier = eclGrid.getMultzOption() == PinchMode::ALL;
pinchOption4ALL = (pinchTransCalcMode == PinchMode::ALL);
if (pinchOption4ALL)
{
useSmallestMultiplier = false;
}
}
if (global && comm.size() > 1) {
comm.broadcast(&useSmallestMultiplier, 1, 0);
comm.broadcast(&pinchOption4ALL, 1, 0);
comm.broadcast(&pinchActive, 1, 0);
}
@ -541,7 +549,7 @@ update(bool global, const TransUpdateQuantities update_quantities,
// be seen in a parallel. Unfortunately, when we do not use transmissibilities
// we will only see warnings for the partition of process 0 and also false positives.
this->applyEditNncToGridTrans_(globalToLocal);
this->applyNncToGridTrans_(globalToLocal);
this->applyNncToGridTrans_(globalToLocal, pinchOption4ALL);
this->applyEditNncrToGridTrans_(globalToLocal);
if (applyNncMultregT) {
this->applyNncMultreg_(globalToLocal);
@ -1023,7 +1031,8 @@ computeFaceProperties(const Intersection& intersection,
template<class Grid, class GridView, class ElementMapper, class CartesianIndexMapper, class Scalar>
void
Transmissibility<Grid,GridView,ElementMapper,CartesianIndexMapper,Scalar>::
applyNncToGridTrans_(const std::unordered_map<std::size_t,int>& cartesianToCompressed)
applyNncToGridTrans_(const std::unordered_map<std::size_t,int>& cartesianToCompressed,
bool pinchOption4ALL)
{
// First scale NNCs with EDITNNC.
const auto& nnc_input = eclState_.getInputNNC().input();
@ -1055,10 +1064,19 @@ applyNncToGridTrans_(const std::unordered_map<std::size_t,int>& cartesianToCompr
{
auto candidate = trans_.find(details::isId(low, high));
if (candidate != trans_.end()) {
if (!pinchOption4ALL || nncEntry.notFromPinch)
// NNC is represented by the grid and might be a neighboring connection
// In this case the transmissibilty is added to the value already
// set or computed.
candidate->second += nncEntry.trans;
else
// Overwrite transmissibility in this special case.
// Note that the NNC is represented by a normal vertical intersectionin CpGrid
// that has a normal and an area (but maybe two different centers?).
//. Hence we have calculated a transmissibilty for it.
// That one might be correct if the option is TOPBOT but should be overwitten if
// it is ALL
candidate->second = nncEntry.trans;
}
}
// if (enableEnergy_) {