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248 lines
12 KiB
C++
248 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2017 Statoil 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 "RigEclipseToStimPlanCellTransmissibilityCalculator.h"
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#include "RigActiveCellInfo.h"
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#include "RigCaseCellResultsData.h"
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#include "RigCellGeometryTools.h"
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#include "RigEclipseCaseData.h"
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#include "RigFractureCell.h"
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#include "RigFractureTransmissibilityEquations.h"
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#include "RigMainGrid.h"
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#include "RigResultAccessorFactory.h"
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#include "RigHexIntersectionTools.h"
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#include "RimEclipseCase.h"
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#include "cvfGeometryTools.h"
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RigEclipseToStimPlanCellTransmissibilityCalculator::RigEclipseToStimPlanCellTransmissibilityCalculator(RimEclipseCase* caseToApply,
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cvf::Mat4d fractureTransform,
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double skinFactor,
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double cDarcy,
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const RigFractureCell& stimPlanCell)
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: m_case(caseToApply),
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m_fractureTransform(fractureTransform),
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m_fractureSkinFactor(skinFactor),
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m_cDarcy(cDarcy),
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m_stimPlanCell(stimPlanCell)
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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const std::vector<size_t>& RigEclipseToStimPlanCellTransmissibilityCalculator::globalIndeciesToContributingEclipseCells()
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{
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if (m_globalIndeciesToContributingEclipseCells.size() < 1)
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{
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calculateStimPlanCellsMatrixTransmissibility();
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}
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return m_globalIndeciesToContributingEclipseCells;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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const std::vector<double>& RigEclipseToStimPlanCellTransmissibilityCalculator::contributingEclipseCellTransmissibilities()
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{
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if (m_globalIndeciesToContributingEclipseCells.size() < 1)
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{
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calculateStimPlanCellsMatrixTransmissibility();
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}
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return m_contributingEclipseCellTransmissibilities;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RigEclipseToStimPlanCellTransmissibilityCalculator::calculateStimPlanCellsMatrixTransmissibility()
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{
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// Not calculating flow into fracture if stimPlan cell cond value is 0 (assumed to be outside the fracture):
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if (m_stimPlanCell.getConductivtyValue() < 1e-7) return;
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const RigEclipseCaseData* eclipseCaseData = m_case->eclipseCaseData();
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RiaDefines::PorosityModelType porosityModel = RiaDefines::MATRIX_MODEL;
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cvf::ref<RigResultAccessor> dataAccessObjectDx = loadResultAndCreateResultAccessor(m_case, porosityModel, "DX");
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cvf::ref<RigResultAccessor> dataAccessObjectDy = loadResultAndCreateResultAccessor(m_case, porosityModel, "DY");
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cvf::ref<RigResultAccessor> dataAccessObjectDz = loadResultAndCreateResultAccessor(m_case, porosityModel, "DZ");
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cvf::ref<RigResultAccessor> dataAccessObjectPermX = loadResultAndCreateResultAccessor(m_case, porosityModel, "PERMX");
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cvf::ref<RigResultAccessor> dataAccessObjectPermY = loadResultAndCreateResultAccessor(m_case, porosityModel, "PERMY");
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cvf::ref<RigResultAccessor> dataAccessObjectPermZ = loadResultAndCreateResultAccessor(m_case, porosityModel, "PERMZ");
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cvf::ref<RigResultAccessor> dataAccessObjectNTG = loadResultAndCreateResultAccessor(m_case, porosityModel, "NTG");
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const RigActiveCellInfo* activeCellInfo = eclipseCaseData->activeCellInfo(porosityModel);
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std::vector<cvf::Vec3d> stimPlanPolygonTransformed;
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for (cvf::Vec3d v : m_stimPlanCell.getPolygon())
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{
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v.transformPoint(m_fractureTransform);
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stimPlanPolygonTransformed.push_back(v);
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}
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std::vector<size_t> fracCells = getPotentiallyFracturedCellsForPolygon(stimPlanPolygonTransformed);
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for (size_t fracCell : fracCells)
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{
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bool cellIsActive = activeCellInfo->isActive(fracCell);
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if (!cellIsActive) continue;
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double permX = dataAccessObjectPermX->cellScalarGlobIdx(fracCell);
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double permY = dataAccessObjectPermY->cellScalarGlobIdx(fracCell);
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double permZ = dataAccessObjectPermZ->cellScalarGlobIdx(fracCell);
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double dx = dataAccessObjectDx->cellScalarGlobIdx(fracCell);
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double dy = dataAccessObjectDy->cellScalarGlobIdx(fracCell);
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double dz = dataAccessObjectDz->cellScalarGlobIdx(fracCell);
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double NTG = 1.0;
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if (dataAccessObjectNTG.notNull())
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{
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NTG = dataAccessObjectNTG->cellScalarGlobIdx(fracCell);
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}
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const RigMainGrid* mainGrid = m_case->eclipseCaseData()->mainGrid();
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std::array<cvf::Vec3d, 8> hexCorners;
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mainGrid->cellCornerVertices(fracCell, hexCorners.data());
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std::vector<std::vector<cvf::Vec3d> > planeCellPolygons;
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bool isPlanIntersected = RigHexIntersectionTools::planeHexIntersectionPolygons(hexCorners, m_fractureTransform, planeCellPolygons);
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if (!isPlanIntersected || planeCellPolygons.size() == 0) continue;
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cvf::Vec3d localX;
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cvf::Vec3d localY;
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cvf::Vec3d localZ;
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RigCellGeometryTools::findCellLocalXYZ(hexCorners, localX, localY, localZ);
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//Transform planCell polygon(s) and averageZdirection to x/y coordinate system (where fracturePolygon already is located)
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cvf::Mat4d invertedTransMatrix = m_fractureTransform.getInverted();
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for (std::vector<cvf::Vec3d> & planeCellPolygon : planeCellPolygons)
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{
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for (cvf::Vec3d& v : planeCellPolygon)
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{
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v.transformPoint(invertedTransMatrix);
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}
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}
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std::vector<std::vector<cvf::Vec3d> > polygonsForStimPlanCellInEclipseCell;
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cvf::Vec3d areaVector;
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std::vector<cvf::Vec3d> stimPlanPolygon = m_stimPlanCell.getPolygon();
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for (std::vector<cvf::Vec3d> planeCellPolygon : planeCellPolygons)
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{
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std::vector<std::vector<cvf::Vec3d> >clippedPolygons = RigCellGeometryTools::intersectPolygons(planeCellPolygon, stimPlanPolygon);
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for (std::vector<cvf::Vec3d> clippedPolygon : clippedPolygons)
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{
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polygonsForStimPlanCellInEclipseCell.push_back(clippedPolygon);
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}
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}
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if (polygonsForStimPlanCellInEclipseCell.size() == 0) continue;
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double area;
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std::vector<double> areaOfFractureParts;
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double length;
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std::vector<double> lengthXareaOfFractureParts;
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double Ax = 0.0, Ay = 0.0, Az = 0.0;
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for (std::vector<cvf::Vec3d> fracturePartPolygon : polygonsForStimPlanCellInEclipseCell)
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{
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areaVector = cvf::GeometryTools::polygonAreaNormal3D(fracturePartPolygon);
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area = areaVector.length();
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areaOfFractureParts.push_back(area);
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length = RigCellGeometryTools::polygonLengthInLocalXdirWeightedByArea(fracturePartPolygon);
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lengthXareaOfFractureParts.push_back(length * area);
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cvf::Plane fracturePlane;
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fracturePlane.setFromPointAndNormal(static_cast<cvf::Vec3d>(m_fractureTransform.translation()),
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static_cast<cvf::Vec3d>(m_fractureTransform.col(2)));
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Ax += abs(area*(fracturePlane.normal().dot(localY)));
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Ay += abs(area*(fracturePlane.normal().dot(localX)));
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Az += abs(area*(fracturePlane.normal().dot(localZ)));
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}
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double fractureArea = 0.0;
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for (double area : areaOfFractureParts) fractureArea += area;
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double totalAreaXLength = 0.0;
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for (double lengtXarea : lengthXareaOfFractureParts) totalAreaXLength += lengtXarea;
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double fractureAreaWeightedlength = totalAreaXLength / fractureArea;
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double transmissibility_X = RigFractureTransmissibilityEquations::matrixToFractureTrans(permY, NTG, Ay, dx, m_fractureSkinFactor, fractureAreaWeightedlength, m_cDarcy);
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double transmissibility_Y = RigFractureTransmissibilityEquations::matrixToFractureTrans(permX, NTG, Ax, dy, m_fractureSkinFactor, fractureAreaWeightedlength, m_cDarcy);
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double transmissibility_Z = RigFractureTransmissibilityEquations::matrixToFractureTrans(permZ, 1.0, Az, dz, m_fractureSkinFactor, fractureAreaWeightedlength, m_cDarcy);
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double transmissibility = sqrt(transmissibility_X * transmissibility_X
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+ transmissibility_Y * transmissibility_Y
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+ transmissibility_Z * transmissibility_Z);
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m_globalIndeciesToContributingEclipseCells.push_back(fracCell);
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m_contributingEclipseCellTransmissibilities.push_back(transmissibility);
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::vector<size_t> RigEclipseToStimPlanCellTransmissibilityCalculator::getPotentiallyFracturedCellsForPolygon(std::vector<cvf::Vec3d> polygon)
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{
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std::vector<size_t> cellIndices;
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const RigMainGrid* mainGrid = m_case->eclipseCaseData()->mainGrid();
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if (!mainGrid) return cellIndices;
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cvf::BoundingBox polygonBBox;
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for (cvf::Vec3d nodeCoord : polygon) polygonBBox.add(nodeCoord);
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mainGrid->findIntersectingCells(polygonBBox, &cellIndices);
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return cellIndices;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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cvf::ref<RigResultAccessor> RigEclipseToStimPlanCellTransmissibilityCalculator::loadResultAndCreateResultAccessor(
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RimEclipseCase* eclipseCase,
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RiaDefines::PorosityModelType porosityModel,
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const QString& uiResultName)
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{
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CVF_ASSERT(eclipseCase);
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RigCaseCellResultsData* gridCellResults = eclipseCase->results(porosityModel);
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// Calling this function will force loading of result from file
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gridCellResults->findOrLoadScalarResult(RiaDefines::STATIC_NATIVE, uiResultName);
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const RigEclipseCaseData* eclipseCaseData = eclipseCase->eclipseCaseData();
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// Create result accessor object for main grid at time step zero (static result date is always at first time step
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return RigResultAccessorFactory::createFromUiResultName(eclipseCaseData, 0, porosityModel, 0, uiResultName);
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}
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