ResInsight/ApplicationLibCode/ReservoirDataModel/RigCellFaceGeometryTools.cpp
2024-10-29 18:17:31 +01:00

377 lines
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C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2020 Equinor ASA
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RiaLogging.h"
#include "RigCellFaceGeometryTools.h"
#include "RigActiveCellInfo.h"
#include "RigCell.h"
#include "RigMainGrid.h"
#include "RigNncConnection.h"
#include "cvfGeometryTools.h"
#include "cafAssert.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::StructGridInterface::FaceType RigCellFaceGeometryTools::calculateCellFaceOverlap( const RigCell& c1,
const RigCell& c2,
const RigMainGrid& mainGrid,
std::vector<size_t>* connectionPolygon,
std::vector<cvf::Vec3d>* connectionIntersections )
{
// Try to find the shared face
bool isPossibleNeighborInDirection[6] = { true, true, true, true, true, true };
if ( c1.hostGrid() == c2.hostGrid() )
{
char hasNeighbourInAnyDirection = 0;
size_t i1, j1, k1;
c1.hostGrid()->ijkFromCellIndex( c1.gridLocalCellIndex(), &i1, &j1, &k1 );
size_t i2, j2, k2;
c2.hostGrid()->ijkFromCellIndex( c2.gridLocalCellIndex(), &i2, &j2, &k2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_I] = ( ( i1 + 1 ) == i2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_I] = ( ( i2 + 1 ) == i1 );
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_J] = ( ( j1 + 1 ) == j2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_J] = ( ( j2 + 1 ) == j1 );
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_K] = ( ( k1 + 1 ) == k2 );
isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_K] = ( ( k2 + 1 ) == k1 );
hasNeighbourInAnyDirection =
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_I] + isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_I] +
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_J] + isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_J] +
isPossibleNeighborInDirection[cvf::StructGridInterface::POS_K] + isPossibleNeighborInDirection[cvf::StructGridInterface::NEG_K];
// If cell 2 is not adjancent with respect to any of the six ijk directions,
// assume that we have no overlapping area.
if ( !hasNeighbourInAnyDirection )
{
// Add to search map
// m_cellIdxToFaceToConnectionIdxMap[m_connections[cnIdx].m_c1GlobIdx][cvf::StructGridInterface::NO_FACE].push_back(cnIdx);
// m_cellIdxToFaceToConnectionIdxMap[m_connections[cnIdx].m_c2GlobIdx][cvf::StructGridInterface::NO_FACE].push_back(cnIdx);
// cvf::Trace::show("NNC: No direct neighbors : C1: " + cvf::String((int)m_connections[cnIdx].m_c1GlobIdx) +
// " C2: " + cvf::String((int)m_connections[cnIdx].m_c2GlobIdx));
return cvf::StructGridInterface::NO_FACE;
}
}
for ( unsigned char fIdx = 0; fIdx < 6; ++fIdx )
{
if ( !isPossibleNeighborInDirection[fIdx] )
{
continue;
}
// Calculate connection polygon
std::vector<size_t> polygon;
std::vector<cvf::Vec3d> intersections;
std::array<size_t, 4> face1;
std::array<size_t, 4> face2;
c1.faceIndices( ( cvf::StructGridInterface::FaceType )( fIdx ), &face1 );
c2.faceIndices( cvf::StructGridInterface::oppositeFace( ( cvf::StructGridInterface::FaceType )( fIdx ) ), &face2 );
bool foundOverlap = cvf::GeometryTools::calculateOverlapPolygonOfTwoQuads( &polygon,
&intersections,
(cvf::EdgeIntersectStorage<size_t>*)nullptr,
cvf::wrapArrayConst( &mainGrid.nodes() ),
face1.data(),
face2.data(),
1e-6 );
if ( foundOverlap )
{
if ( connectionPolygon ) ( *connectionPolygon ) = polygon;
if ( connectionIntersections ) ( *connectionIntersections ) = intersections;
return ( cvf::StructGridInterface::FaceType )( fIdx );
}
}
return cvf::StructGridInterface::NO_FACE;
}
void assignThreadConnections( RigConnectionContainer& allConnections, RigConnectionContainer& threadConnections )
{
#pragma omp critical
{
allConnections.push_back( threadConnections );
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RigConnectionContainer RigCellFaceGeometryTools::computeOtherNncs( const RigMainGrid* mainGrid,
const RigConnectionContainer& nativeConnections,
const RigActiveCellInfo* activeCellInfo,
bool includeInactiveCells )
{
// Compute Non-Neighbor Connections (NNC) not reported by Eclipse. NNCs with zero transmissibility are not reported
// by Eclipse. Use faults as basis for subset of cells to find NNC connection for. The imported connections from
// Eclipse are located at the beginning of the connections vector.
std::set<std::pair<unsigned, unsigned>> nativeCellPairs;
for ( size_t i = 0; i < nativeConnections.size(); ++i )
{
RigConnection c = nativeConnections[i];
nativeCellPairs.emplace( static_cast<unsigned>( c.c1GlobIdx() ), static_cast<unsigned>( c.c2GlobIdx() ) );
}
if ( nativeConnections.size() != nativeCellPairs.size() )
{
QString message = QString( "Nnc connection imported from Eclipse are not unique\nNNC count : %1\nUnique : %2" )
.arg( nativeConnections.size() )
.arg( nativeCellPairs.size() );
RiaLogging::warning( message );
}
const cvf::Collection<RigFault>& faults = mainGrid->faults();
RigConnectionContainer otherConnections;
for ( int faultIdx = 0; faultIdx < (int)faults.size(); faultIdx++ )
{
const RigFault* fault = faults.at( faultIdx );
const std::vector<RigFault::FaultFace>& faultFaces = fault->faultFaces();
// Build a vector of active face indices so we don't have to have this check inside the parallel loop.
// This makes the load balancing much better in the loop.
std::vector<size_t> activeFaceIndices;
activeFaceIndices.reserve( faultFaces.size() );
for ( size_t faceIdx = 0; faceIdx < faultFaces.size(); ++faceIdx )
{
const RigFault::FaultFace& f = faultFaces[faceIdx];
bool atLeastOneCellActive = true;
if ( !includeInactiveCells && activeCellInfo && activeCellInfo->reservoirActiveCellCount() > 0u )
{
atLeastOneCellActive = activeCellInfo->isActive( f.m_nativeReservoirCellIndex ) ||
activeCellInfo->isActive( f.m_oppositeReservoirCellIndex );
}
if ( atLeastOneCellActive ) activeFaceIndices.push_back( faceIdx );
}
size_t totalNumberOfConnections = 0u;
#pragma omp parallel
{
RigConnectionContainer threadConnections;
#pragma omp for schedule( guided ) reduction( + : totalNumberOfConnections )
for ( int activeFaceIdx = 0; activeFaceIdx < static_cast<int>( activeFaceIndices.size() ); activeFaceIdx++ )
{
size_t faceIdx = activeFaceIndices[activeFaceIdx];
extractConnectionsForFace( faultFaces[faceIdx], mainGrid, nativeCellPairs, threadConnections );
}
#pragma omp barrier
otherConnections.reserve( otherConnections.size() + totalNumberOfConnections );
// Merge together connections per thread
assignThreadConnections( otherConnections, threadConnections );
} // end parallel region
}
size_t nncCountWarningThreshold = 5000000;
if ( otherConnections.size() > nncCountWarningThreshold )
{
auto txt = QString( "Additional NNC count has reached %1, and is above the warning threshold of %2. Faults for "
"inactive cells can be managed from Preferences->Eclipse Grid->Include Inactive Cells" )
.arg( otherConnections.size() )
.arg( nncCountWarningThreshold );
RiaLogging::warning( txt );
}
otherConnections.remove_duplicates();
return otherConnections;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RigCellFaceGeometryTools::extractConnectionsForFace( const RigFault::FaultFace& face,
const RigMainGrid* mainGrid,
const std::set<std::pair<unsigned, unsigned>>& nativeCellPairs,
RigConnectionContainer& connections )
{
size_t sourceReservoirCellIndex = face.m_nativeReservoirCellIndex;
cvf::StructGridInterface::FaceType sourceCellFace = face.m_nativeFace;
if ( sourceReservoirCellIndex >= mainGrid->cellCount() )
{
return;
}
const std::vector<cvf::Vec3d>& mainGridNodes = mainGrid->nodes();
cvf::BoundingBox bb;
std::array<size_t, 4> sourceFaceIndices;
mainGrid->cell( sourceReservoirCellIndex ).faceIndices( sourceCellFace, &sourceFaceIndices );
bb.add( mainGridNodes[sourceFaceIndices[0]] );
bb.add( mainGridNodes[sourceFaceIndices[1]] );
bb.add( mainGridNodes[sourceFaceIndices[2]] );
bb.add( mainGridNodes[sourceFaceIndices[3]] );
std::vector<size_t> closeCells = mainGrid->findIntersectingCells( bb );
cvf::StructGridInterface::FaceType candidateFace = cvf::StructGridInterface::oppositeFace( sourceCellFace );
size_t neighborCellIndex = std::numeric_limits<size_t>::max();
size_t ni = std::numeric_limits<size_t>::max();
size_t nj = std::numeric_limits<size_t>::max();
size_t nk = std::numeric_limits<size_t>::max();
{
size_t i;
size_t j;
size_t k;
mainGrid->ijkFromCellIndexUnguarded( sourceReservoirCellIndex, &i, &j, &k );
RigMainGrid::neighborIJKAtCellFace( i, j, k, sourceCellFace, &ni, &nj, &nk );
if ( mainGrid->isCellValid( ni, nj, nk ) )
{
neighborCellIndex = mainGrid->cellIndexFromIJK( ni, nj, nk );
}
}
for ( size_t candidateCellIndex : closeCells )
{
if ( candidateCellIndex == sourceReservoirCellIndex )
{
// Exclude cellIndex for source cell
continue;
}
if ( candidateCellIndex >= mainGrid->cellCount() )
{
continue;
}
if ( candidateCellIndex == neighborCellIndex )
{
// Exclude direct neighbor
continue;
}
if ( neighborCellIndex != std::numeric_limits<size_t>::max() )
{
// Find target IJK index based on source cell and cell face
// Exclude cells not matching destination target index
size_t ci = std::numeric_limits<size_t>::max();
size_t cj = std::numeric_limits<size_t>::max();
size_t ck = std::numeric_limits<size_t>::max();
mainGrid->ijkFromCellIndexUnguarded( candidateCellIndex, &ci, &cj, &ck );
auto gridAxis = cvf::StructGridInterface::gridAxisFromFace( sourceCellFace );
if ( gridAxis == cvf::StructGridInterface::GridAxisType::AXIS_I )
{
if ( ni != ci )
{
continue;
}
}
else if ( gridAxis == cvf::StructGridInterface::GridAxisType::AXIS_J )
{
if ( nj != cj )
{
continue;
}
}
else if ( gridAxis == cvf::StructGridInterface::GridAxisType::AXIS_K )
{
if ( nk != ck )
{
continue;
}
}
}
// Test if this pair of cells already has a connection. Check both combinations of cell index ordering to avoid
// duplicate NNC geometry for the same pair of cells
auto candidate = std::make_pair( static_cast<unsigned>( sourceReservoirCellIndex ), static_cast<unsigned>( candidateCellIndex ) );
if ( nativeCellPairs.count( candidate ) > 0 )
{
continue;
}
std::swap( candidate.first, candidate.second );
if ( nativeCellPairs.count( candidate ) > 0 )
{
continue;
}
std::vector<size_t> polygon;
std::vector<cvf::Vec3d> intersections;
std::array<size_t, 4> candidateFaceIndices;
mainGrid->cell( candidateCellIndex ).faceIndices( candidateFace, &candidateFaceIndices );
bool foundOverlap = cvf::GeometryTools::calculateOverlapPolygonOfTwoQuads( &polygon,
&intersections,
(cvf::EdgeIntersectStorage<size_t>*)nullptr,
cvf::wrapArrayConst( &mainGridNodes ),
sourceFaceIndices.data(),
candidateFaceIndices.data(),
1e-6 );
if ( foundOverlap )
{
RigConnection conn( sourceReservoirCellIndex,
candidateCellIndex,
sourceCellFace,
RigCellFaceGeometryTools::extractPolygon( mainGridNodes, polygon, intersections ) );
connections.push_back( conn );
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::vector<cvf::Vec3f> RigCellFaceGeometryTools::extractPolygon( const std::vector<cvf::Vec3d>& nativeNodes,
const std::vector<size_t>& connectionPolygon,
const std::vector<cvf::Vec3d>& connectionIntersections )
{
std::vector<cvf::Vec3f> allPolygonNodes;
for ( size_t polygonIndex : connectionPolygon )
{
if ( polygonIndex < nativeNodes.size() )
allPolygonNodes.push_back( cvf::Vec3f( nativeNodes[polygonIndex] ) );
else
allPolygonNodes.push_back( cvf::Vec3f( connectionIntersections[polygonIndex - nativeNodes.size()] ) );
}
return allPolygonNodes;
}