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280 lines
12 KiB
C++
280 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2023- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RigReservoirBuilder.h"
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#include "RigActiveCellInfo.h"
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#include "RigCell.h"
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#include "RigEclipseCaseData.h"
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#include "RigMainGrid.h"
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RigReservoirBuilder::RigReservoirBuilder()
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: m_minWorldCoordinate( 0.0, 0.0, 0.0 )
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, m_maxWorldCoordinate( 0.0, 0.0, 0.0 )
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, m_gridPointDimensions( 0, 0, 0 )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RigReservoirBuilder::setWorldCoordinates( cvf::Vec3d minWorldCoordinate, cvf::Vec3d maxWorldCoordinate )
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{
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m_minWorldCoordinate = minWorldCoordinate;
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m_maxWorldCoordinate = maxWorldCoordinate;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RigReservoirBuilder::setIJKCount( const cvf::Vec3st& ijkCount )
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{
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m_gridPointDimensions = { ijkCount.x() + 1, ijkCount.y() + 1, ijkCount.z() + 1 };
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RigReservoirBuilder::addLocalGridRefinement( const cvf::Vec3st& minCellPosition,
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const cvf::Vec3st& maxCellPosition,
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const cvf::Vec3st& singleCellRefinementFactors )
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{
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m_localGridRefinements.push_back( LocalGridRefinement( minCellPosition, maxCellPosition, singleCellRefinementFactors ) );
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}
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//--------------------------------------------------------------------------------------------------
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/// Build the geometry for a grids and cells
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/// - create 8 nodes for each cell
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/// - create cells by referencing the nodes
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/// - optionally create and add LGR grids
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/// - set all cells to active
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//--------------------------------------------------------------------------------------------------
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void RigReservoirBuilder::createGridsAndCells( RigEclipseCaseData* eclipseCase )
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{
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std::vector<cvf::Vec3d>& mainGridNodes = eclipseCase->mainGrid()->nodes();
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appendNodes( m_minWorldCoordinate, m_maxWorldCoordinate, ijkCount(), mainGridNodes );
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size_t mainGridNodeCount = mainGridNodes.size();
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size_t mainGridCellCount = mainGridNodeCount / 8;
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// Must create cells in main grid here, as this information is used when creating LGRs
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appendCells( 0, mainGridCellCount, eclipseCase->mainGrid(), eclipseCase->mainGrid()->reservoirCells() );
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size_t totalCellCount = mainGridCellCount;
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for ( size_t lgrIdx = 0; lgrIdx < m_localGridRefinements.size(); lgrIdx++ )
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{
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LocalGridRefinement& lgr = m_localGridRefinements[lgrIdx];
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// Compute all global cell indices to be replaced by local grid refinement
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std::vector<size_t> mainGridIndicesWithSubGrid;
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{
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for ( size_t i = lgr.m_mainGridMinCellPosition.x(); i <= lgr.m_mainGridMaxCellPosition.x(); i++ )
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{
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for ( size_t j = lgr.m_mainGridMinCellPosition.y(); j <= lgr.m_mainGridMaxCellPosition.y(); j++ )
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{
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for ( size_t k = lgr.m_mainGridMinCellPosition.z(); k <= lgr.m_mainGridMaxCellPosition.z(); k++ )
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{
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mainGridIndicesWithSubGrid.push_back( cellIndexFromIJK( i, j, k ) );
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}
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}
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}
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}
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// Create local grid and set local grid dimensions
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RigLocalGrid* localGrid = new RigLocalGrid( eclipseCase->mainGrid() );
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localGrid->setGridId( 1 );
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localGrid->setGridName( "LGR_1" );
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eclipseCase->mainGrid()->addLocalGrid( localGrid );
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localGrid->setParentGrid( eclipseCase->mainGrid() );
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localGrid->setIndexToStartOfCells( mainGridNodes.size() / 8 );
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cvf::Vec3st gridPointDimensions( lgr.m_singleCellRefinementFactors.x() *
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( lgr.m_mainGridMaxCellPosition.x() - lgr.m_mainGridMinCellPosition.x() + 1 ) +
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1,
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lgr.m_singleCellRefinementFactors.y() *
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( lgr.m_mainGridMaxCellPosition.y() - lgr.m_mainGridMinCellPosition.y() + 1 ) +
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1,
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lgr.m_singleCellRefinementFactors.z() *
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( lgr.m_mainGridMaxCellPosition.z() - lgr.m_mainGridMinCellPosition.z() + 1 ) +
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1 );
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localGrid->setGridPointDimensions( gridPointDimensions );
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cvf::BoundingBox bb;
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for ( size_t cellIdx = 0; cellIdx < mainGridIndicesWithSubGrid.size(); cellIdx++ )
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{
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RigCell& cell = eclipseCase->mainGrid()->cell( mainGridIndicesWithSubGrid[cellIdx] );
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std::array<size_t, 8>& indices = cell.cornerIndices();
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for ( int nodeIdx = 0; nodeIdx < 8; nodeIdx++ )
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{
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bb.add( eclipseCase->mainGrid()->nodes()[indices[nodeIdx]] );
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}
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// Deactivate cell in main grid
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cell.setSubGrid( localGrid );
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}
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cvf::Vec3st lgrCellDimensions = gridPointDimensions - cvf::Vec3st( 1, 1, 1 );
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appendNodes( bb.min(), bb.max(), lgrCellDimensions, mainGridNodes );
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size_t subGridCellCount = ( mainGridNodes.size() / 8 ) - totalCellCount;
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appendCells( totalCellCount * 8, subGridCellCount, localGrid, eclipseCase->mainGrid()->reservoirCells() );
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totalCellCount += subGridCellCount;
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}
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eclipseCase->mainGrid()->setGridPointDimensions( m_gridPointDimensions );
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// Set all cells active
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RigActiveCellInfo* activeCellInfo = eclipseCase->activeCellInfo( RiaDefines::PorosityModelType::MATRIX_MODEL );
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activeCellInfo->setReservoirCellCount( eclipseCase->mainGrid()->totalCellCount() );
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for ( size_t i = 0; i < eclipseCase->mainGrid()->totalCellCount(); i++ )
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{
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activeCellInfo->setCellResultIndex( i, i );
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}
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activeCellInfo->setGridCount( 1 );
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activeCellInfo->setGridActiveCellCounts( 0, eclipseCase->mainGrid()->totalCellCount() );
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activeCellInfo->computeDerivedData();
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bool useOptimizedVersion = false; // workaround, optimized version causes assert in debug builds
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eclipseCase->computeActiveCellBoundingBoxes( useOptimizedVersion );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RigReservoirBuilder::appendCells( size_t nodeStartIndex, size_t cellCount, RigGridBase* hostGrid, std::vector<RigCell>& cells )
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{
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size_t cellIndexStart = cells.size();
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cells.resize( cells.size() + cellCount );
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#pragma omp parallel for
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for ( long long i = 0; i < static_cast<long long>( cellCount ); i++ )
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{
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RigCell& riCell = cells[cellIndexStart + i];
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riCell.setHostGrid( hostGrid );
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riCell.setGridLocalCellIndex( i );
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riCell.cornerIndices()[0] = nodeStartIndex + i * 8 + 0;
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riCell.cornerIndices()[1] = nodeStartIndex + i * 8 + 1;
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riCell.cornerIndices()[2] = nodeStartIndex + i * 8 + 2;
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riCell.cornerIndices()[3] = nodeStartIndex + i * 8 + 3;
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riCell.cornerIndices()[4] = nodeStartIndex + i * 8 + 4;
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riCell.cornerIndices()[5] = nodeStartIndex + i * 8 + 5;
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riCell.cornerIndices()[6] = nodeStartIndex + i * 8 + 6;
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riCell.cornerIndices()[7] = nodeStartIndex + i * 8 + 7;
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riCell.setParentCellIndex( 0 );
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RigReservoirBuilder::appendNodes( const cvf::Vec3d& min, const cvf::Vec3d& max, const cvf::Vec3st& cubeDimension, std::vector<cvf::Vec3d>& nodes )
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{
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double dx = ( max.x() - min.x() ) / static_cast<double>( cubeDimension.x() );
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double dy = ( max.y() - min.y() ) / static_cast<double>( cubeDimension.y() );
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double dz = ( max.z() - min.z() ) / static_cast<double>( cubeDimension.z() );
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double zPos = min.z();
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for ( size_t k = 0; k < cubeDimension.z(); k++ )
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{
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double yPos = min.y();
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for ( size_t j = 0; j < cubeDimension.y(); j++ )
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{
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double xPos = min.x();
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for ( size_t i = 0; i < cubeDimension.x(); i++ )
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{
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cvf::Vec3d cornerA( xPos, yPos, zPos );
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cvf::Vec3d cornerB( xPos + dx, yPos + dy, zPos + dz );
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appendCubeNodes( cornerA, cornerB, nodes );
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xPos += dx;
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}
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yPos += dy;
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}
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zPos += dz;
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RigReservoirBuilder::appendCubeNodes( const cvf::Vec3d& min, const cvf::Vec3d& max, std::vector<cvf::Vec3d>& nodes )
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{
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//
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// 7---------6 Faces:
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// /| /| |k 0 bottom 0, 3, 2, 1
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// / | / | | /j 1 top 4, 5, 6, 7
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// 4---------5 | |/ 2 front 0, 1, 5, 4
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// | 3------|--2 *---i 3 right 1, 2, 6, 5
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// | / | / 4 back 3, 7, 6, 2
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// |/ |/ 5 left 0, 4, 7, 3
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// 0---------1
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cvf::Vec3d v0( min.x(), min.y(), min.z() );
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cvf::Vec3d v1( max.x(), min.y(), min.z() );
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cvf::Vec3d v2( max.x(), max.y(), min.z() );
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cvf::Vec3d v3( min.x(), max.y(), min.z() );
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cvf::Vec3d v4( min.x(), min.y(), max.z() );
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cvf::Vec3d v5( max.x(), min.y(), max.z() );
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cvf::Vec3d v6( max.x(), max.y(), max.z() );
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cvf::Vec3d v7( min.x(), max.y(), max.z() );
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nodes.push_back( v0 );
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nodes.push_back( v1 );
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nodes.push_back( v2 );
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nodes.push_back( v3 );
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nodes.push_back( v4 );
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nodes.push_back( v5 );
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nodes.push_back( v6 );
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nodes.push_back( v7 );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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size_t RigReservoirBuilder::cellIndexFromIJK( size_t i, size_t j, size_t k ) const
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{
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CVF_TIGHT_ASSERT( i < ( m_gridPointDimensions.x() - 1 ) );
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CVF_TIGHT_ASSERT( j < ( m_gridPointDimensions.y() - 1 ) );
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CVF_TIGHT_ASSERT( k < ( m_gridPointDimensions.z() - 1 ) );
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size_t ci = i + j * ( m_gridPointDimensions.x() - 1 ) + k * ( ( m_gridPointDimensions.x() - 1 ) * ( m_gridPointDimensions.y() - 1 ) );
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return ci;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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cvf::Vec3st RigReservoirBuilder::ijkCount() const
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{
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return cvf::Vec3st( m_gridPointDimensions.x() - 1, m_gridPointDimensions.y() - 1, m_gridPointDimensions.z() - 1 );
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}
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