OilfieldToolsNet/opm-simulators
4
0
Fork 0
mirror of https://github.com/OPM/opm-simulators.git synced 2025-02-25 18:55:30 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #4821 from bska/aqunum-nncs

Browse Source 
Treat Numerical Aquifer Connections as NNCs for Output Purposes
This commit is contained in:
Bård Skaflestad 2023-09-06 17:19:27 +02:00 committed by GitHub
commit 8bf45ea86b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 132 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

174
ebos/eclgenericwriter_impl.hh
View File

@ -55,6 +55,7 @@
#include <algorithm>
#include <array>
#include <cassert>
#include <cmath>
#include <functional>
#include <map>
#include <memory>
@ -263,17 +264,17 @@ writeInit(const std::function<unsigned int(unsigned int)>& map)
}
template<class Grid, class EquilGrid, class GridView, class ElementMapper, class Scalar>
data::Solution EclGenericWriter<Grid,EquilGrid,GridView,ElementMapper,Scalar>::
data::Solution
EclGenericWriter<Grid,EquilGrid,GridView,ElementMapper,Scalar>::
computeTrans_(const std::unordered_map<int,int>& cartesianToActive,
const std::function<unsigned int(unsigned int)>& map) const
{
const auto& cartMapper = *equilCartMapper_;
const auto& cartDims = cartMapper.cartesianDimensions();
const int globalSize = cartDims[0] * cartDims[1] * cartDims[2];
auto tranx = data::CellData {
UnitSystem::measure::transmissibility,
std::vector<double>(globalSize, 0.0),
std::vector<double>(cartDims[0] * cartDims[1] * cartDims[2], 0.0),
data::TargetType::INIT
};
@ -281,15 +282,24 @@ computeTrans_(const std::unordered_map<int,int>& cartesianToActive,
auto tranz = tranx;
using GlobalGridView = typename EquilGrid::LeafGridView;
const GlobalGridView& globalGridView = equilGrid_->leafGridView();
using GlobElementMapper = Dune::MultipleCodimMultipleGeomTypeMapper<GlobalGridView>;
GlobElementMapper globalElemMapper(globalGridView, Dune::mcmgElementLayout());
const GlobalGridView& globalGridView = this->equilGrid_->leafGridView();
const GlobElementMapper globalElemMapper { globalGridView, Dune::mcmgElementLayout() };
auto isNumAquCell = [numAquCell = this->eclState_.aquifer().hasNumericalAquifer()
? this->eclState_.aquifer().numericalAquifers().allAquiferCellIds()
: std::vector<std::size_t>{}]
(const std::size_t cellIdx)
{
return std::binary_search(numAquCell.begin(), numAquCell.end(), cellIdx);
};
for (const auto& elem : elements(globalGridView)) {
for (const auto& is : intersections(globalGridView, elem)) {
if (!is.neighbor())
continue; // intersection is on the domain boundary
// Not 'const' because remapped if 'map' is non-null.
unsigned c1 = globalElemMapper.index(is.inside());
unsigned c2 = globalElemMapper.index(is.outside());
@ -299,6 +309,15 @@ computeTrans_(const std::unordered_map<int,int>& cartesianToActive,
// Ordering of compressed and uncompressed index should be the same
const int cartIdx1 = cartMapper.cartesianIndex( c1 );
const int cartIdx2 = cartMapper.cartesianIndex( c2 );
if (isNumAquCell(cartIdx1) || isNumAquCell(cartIdx2)) {
// Connections involving numerical aquifers are always NNCs
// for the purpose of file output. This holds even for
// connections between cells like (I,J,K) and (I+1,J,K)
// which are nominally neighbours in the Cartesian grid.
continue;
}
// Ordering of compressed and uncompressed index should be the same
assert(cartIdx1 <= cartIdx2);
int gc1 = std::min(cartIdx1, cartIdx2);
@ -334,41 +353,105 @@ computeTrans_(const std::unordered_map<int,int>& cartesianToActive,
}
template<class Grid, class EquilGrid, class GridView, class ElementMapper, class Scalar>
std::vector<NNCdata> EclGenericWriter<Grid,EquilGrid,GridView,ElementMapper,Scalar>::
exportNncStructure_(const std::unordered_map<int,int>& cartesianToActive, const std::function<unsigned int(unsigned int)>& map) const
std::vector<NNCdata>
EclGenericWriter<Grid,EquilGrid,GridView,ElementMapper,Scalar>::
exportNncStructure_(const std::unordered_map<int,int>& cartesianToActive,
const std::function<unsigned int(unsigned int)>& map) const
{
std::size_t nx = eclState_.getInputGrid().getNX();
std::size_t ny = eclState_.getInputGrid().getNY();
auto nncData = eclState_.getInputNNC().input();
const auto& unitSystem = eclState_.getDeckUnitSystem();
auto isNumAquCell = [numAquCell = this->eclState_.aquifer().hasNumericalAquifer()
? this->eclState_.aquifer().numericalAquifers().allAquiferCellIds()
: std::vector<std::size_t>{}]
(const std::size_t cellIdx)
{
return std::binary_search(numAquCell.begin(), numAquCell.end(), cellIdx);
};
for( const auto& entry : nncData ) {
// test whether NNC is not a neighboring connection
// cell2>=cell1 holds due to sortNncAndApplyEditnnc
assert( entry.cell2 >= entry.cell1 );
auto cellDiff = entry.cell2 - entry.cell1;
auto isNumAquConn = [&isNumAquCell](const std::size_t cellIdx1,
const std::size_t cellIdx2)
{
return isNumAquCell(cellIdx1) || isNumAquCell(cellIdx2);
};
if (cellDiff != 1 && cellDiff != nx && cellDiff != nx*ny) {
auto tt = unitSystem.from_si(UnitSystem::measure::transmissibility, entry.trans);
// Eclipse ignores NNCs (with EDITNNC applied) that are small. Seems like the threshold is 1.0e-6
if ( tt >= 1.0e-6 )
outputNnc_.emplace_back(entry.cell1, entry.cell2, entry.trans);
auto isCartesianNeighbour = [nx = this->eclState_.getInputGrid().getNX(),
ny = this->eclState_.getInputGrid().getNY()]
(const std::size_t cellIdx1, const std::size_t cellIdx2)
{
const auto cellDiff = cellIdx2 - cellIdx1;
return (cellDiff == 1)
|| (cellDiff == nx)
|| (cellDiff == nx * ny);
};
auto activeCell = [&cartesianToActive](const std::size_t cellIdx)
{
auto pos = cartesianToActive.find(cellIdx);
return (pos == cartesianToActive.end()) ? -1 : pos->second;
};
const auto& nncData = this->eclState_.getInputNNC().input();
const auto& unitSystem = this->eclState_.getDeckUnitSystem();
for (const auto& entry : nncData) {
// Ignore most explicit NNCs between otherwise neighbouring cells.
// We keep NNCs that involve cells with numerical aquifers even if
// these might be between neighbouring cells in the Cartesian
// grid--e.g., between cells (I,J,K) and (I+1,J,K). All such
// connections should be written to NNC output arrays provided the
// transmissibility value is sufficiently large.
//
// The condition cell2 >= cell1 holds by construction of nncData.
assert (entry.cell2 >= entry.cell1);
if (! isCartesianNeighbour(entry.cell1, entry.cell2) ||
isNumAquConn(entry.cell1, entry.cell2))
{
// Pick up transmissibility value from 'globalTrans()' since
// multiplier keywords like MULTREGT might have impacted the
// values entered in primary sources like NNC/EDITNNC/EDITNNCR.
const auto c1 = activeCell(entry.cell1);
const auto c2 = activeCell(entry.cell2);
if ((c1 < 0) || (c2 < 0)) {
// Connection between inactive cells? Unexpected at this
// level. Might consider 'throw'ing if this happens...
continue;
}
const auto trans = this->globalTrans().transmissibility(c1, c2);
const auto tt = unitSystem
.from_si(UnitSystem::measure::transmissibility, trans);
// ECLIPSE ignores NNCs (with EDITNNC/EDITNNCR applied) with
// small transmissibility values. Seems like the threshold is
// 1.0e-6 in output units.
if (std::isnormal(tt) && ! (tt < 1.0e-6)) {
this->outputNnc_.emplace_back(entry.cell1, entry.cell2, trans);
}
}
}
auto isDirectNeighbours = [&isCartesianNeighbour, &cartesianToActive,
cartDims = &this->cartMapper_.cartesianDimensions()]
(const std::size_t cellIdx1, const std::size_t cellIdx2)
{
return isCartesianNeighbour(cellIdx1, cellIdx2)
|| directVerticalNeighbors(*cartDims, cartesianToActive, cellIdx1, cellIdx2);
};
using GlobalGridView = typename EquilGrid::LeafGridView;
const GlobalGridView& globalGridView = equilGrid_->leafGridView();
using GlobElementMapper = Dune::MultipleCodimMultipleGeomTypeMapper<GlobalGridView>;
GlobElementMapper globalElemMapper(globalGridView, Dune::mcmgElementLayout());
const GlobalGridView& globalGridView = this->equilGrid_->leafGridView();
const GlobElementMapper globalElemMapper { globalGridView, Dune::mcmgElementLayout() };
// Cartesian index mapper for the serial I/O grid
const auto& equilCartMapper = *equilCartMapper_;
const auto& cartDims = cartMapper_.cartesianDimensions();
for (const auto& elem : elements(globalGridView)) {
for (const auto& is : intersections(globalGridView, elem)) {
if (!is.neighbor())
continue; // intersection is on the domain boundary
// Not 'const' because remapped if 'map' is non-null.
unsigned c1 = globalElemMapper.index(is.inside());
unsigned c2 = globalElemMapper.index(is.outside());
@ -381,38 +464,43 @@ exportNncStructure_(const std::unordered_map<int,int>& cartesianToActive, const
if ( cc2 < cc1 )
std::swap(cc1, cc2);
auto cellDiff = cc2 - cc1;
// Re-ordering in case of non-empty mapping between equilGrid to grid
if (map) {
c1 = map(c1); // equilGridToGrid map
c2 = map(c2);
}
if (cellDiff != 1 &&
cellDiff != nx &&
cellDiff != nx*ny &&
!directVerticalNeighbors(cartDims, cartesianToActive, cc1, cc2)) {
// We need to check whether an NNC for this face was also specified
// via the NNC keyword in the deck (i.e. in the first origNncSize entries.
auto t = globalTrans().transmissibility(c1, c2);
auto candidate = std::lower_bound(nncData.begin(), nncData.end(), NNCdata(cc1, cc2, 0.0));
if (isNumAquConn(cc1, cc2) || ! isDirectNeighbours(cc1, cc2)) {
// We need to check whether an NNC for this face was also
// specified via the NNC keyword in the deck.
auto t = this->globalTrans().transmissibility(c1, c2);
auto candidate = std::lower_bound(nncData.begin(), nncData.end(),
NNCdata { cc1, cc2, 0.0 });
while ( candidate != nncData.end() && candidate->cell1 == cc1
&& candidate->cell2 == cc2) {
while ((candidate != nncData.end()) &&
(candidate->cell1 == cc1) &&
(candidate->cell2 == cc2))
{
t -= candidate->trans;
++candidate;
}
// eclipse ignores NNCs with zero transmissibility (different threshold than for NNC
// with corresponding EDITNNC above). In addition we do set small transmissibilties
// to zero when setting up the simulator. These will be ignored here, too.
auto tt = unitSystem.from_si(UnitSystem::measure::transmissibility, std::abs(t));
if ( tt > 1e-12 )
outputNnc_.push_back({cc1, cc2, t});
// ECLIPSE ignores NNCs with zero transmissibility
// (different threshold than for NNC with corresponding
// EDITNNC above). In addition we do set small
// transmissibilities to zero when setting up the simulator.
// These will be ignored here, too.
const auto tt = unitSystem
.from_si(UnitSystem::measure::transmissibility, t);
if (std::isnormal(tt) && (tt > 1.0e-12)) {
this->outputNnc_.emplace_back(cc1, cc2, t);
}
}
}
return outputNnc_;
}
return this->outputNnc_;
}
template<class Grid, class EquilGrid, class GridView, class ElementMapper, class Scalar>