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295 lines
15 KiB
C++
295 lines
15 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2020- 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 "RigFemPartResultCalculatorPoreCompressibility.h"
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#include "RiaEclipseUnitTools.h"
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#include "RiaLogging.h"
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#include "RigFemPart.h"
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#include "RigFemPartCollection.h"
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#include "RigFemPartResultsCollection.h"
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#include "RigFemResultAddress.h"
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#include "RigFemScalarResultFrames.h"
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#include "cafProgressInfo.h"
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#include <QString>
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RigFemPartResultCalculatorPoreCompressibility::RigFemPartResultCalculatorPoreCompressibility( RigFemPartResultsCollection& collection )
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: RigFemPartResultCalculator( collection )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RigFemPartResultCalculatorPoreCompressibility::~RigFemPartResultCalculatorPoreCompressibility()
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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bool RigFemPartResultCalculatorPoreCompressibility::isMatching( const RigFemResultAddress& resVarAddr ) const
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{
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return ( resVarAddr.fieldName == "COMPRESSIBILITY" &&
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( resVarAddr.componentName == "PORE" || resVarAddr.componentName == "VERTICAL" ||
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resVarAddr.componentName == "VERTICAL-RATIO" ) );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RigFemScalarResultFrames*
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RigFemPartResultCalculatorPoreCompressibility::calculate( int partIndex, const RigFemResultAddress& resVarAddr )
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{
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caf::ProgressInfo frameCountProgress( m_resultCollection->frameCount() * 6, "" );
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frameCountProgress.setProgressDescription( "Calculating Pore Compressibility" );
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frameCountProgress.setNextProgressIncrement( m_resultCollection->frameCount() );
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RigFemScalarResultFrames* srcPORDataFrames =
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m_resultCollection->findOrLoadScalarResult( partIndex, RigFemResultAddress( RIG_NODAL, "POR-Bar", "" ) );
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frameCountProgress.incrementProgress();
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// Volumetric Strain
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frameCountProgress.setNextProgressIncrement( m_resultCollection->frameCount() );
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RigFemScalarResultFrames* srcEVDataFrames =
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m_resultCollection->findOrLoadScalarResult( partIndex, RigFemResultAddress( resVarAddr.resultPosType, "NE", "EV" ) );
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frameCountProgress.incrementProgress();
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// Vertical Strain
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frameCountProgress.setNextProgressIncrement( m_resultCollection->frameCount() );
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RigFemScalarResultFrames* verticalStrainDataFrames =
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m_resultCollection->findOrLoadScalarResult( partIndex,
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RigFemResultAddress( resVarAddr.resultPosType, "NE", "E33" ) );
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frameCountProgress.incrementProgress();
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// Biot porelastic coeffisient (alpha)
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frameCountProgress.setNextProgressIncrement( m_resultCollection->frameCount() );
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RigFemScalarResultFrames* biotCoefficient = nullptr;
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if ( !m_resultCollection->biotResultAddress().isEmpty() )
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{
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biotCoefficient =
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m_resultCollection
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->findOrLoadScalarResult( partIndex,
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RigFemResultAddress( RIG_ELEMENT,
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m_resultCollection->biotResultAddress().toStdString(),
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"" ) );
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}
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frameCountProgress.incrementProgress();
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frameCountProgress.setNextProgressIncrement( m_resultCollection->frameCount() );
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RigFemScalarResultFrames* youngsModuliFrames =
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m_resultCollection->findOrLoadScalarResult( partIndex, RigFemResultAddress( RIG_ELEMENT, "MODULUS", "" ) );
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if ( youngsModuliFrames->frameData( 0 ).empty() )
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{
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RiaLogging::error( "Missing Youngs Moduli element data (MODULUS)." );
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return nullptr;
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}
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RigFemScalarResultFrames* poissonRatioFrames =
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m_resultCollection->findOrLoadScalarResult( partIndex, RigFemResultAddress( RIG_ELEMENT, "RATIO", "" ) );
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if ( poissonRatioFrames->frameData( 0 ).empty() )
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{
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RiaLogging::error( "Missing Poisson Ratio element data (RATIO)." );
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return nullptr;
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}
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RigFemScalarResultFrames* voidRatioFrames =
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m_resultCollection->findOrLoadScalarResult( partIndex,
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RigFemResultAddress( resVarAddr.resultPosType, "VOIDR", "" ) );
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RigFemScalarResultFrames* poreCompressibilityFrames =
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m_resultCollection->createScalarResult( partIndex,
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RigFemResultAddress( resVarAddr.resultPosType, resVarAddr.fieldName, "PORE" ) );
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RigFemScalarResultFrames* verticalCompressibilityFrames =
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m_resultCollection->createScalarResult( partIndex,
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RigFemResultAddress( resVarAddr.resultPosType,
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resVarAddr.fieldName,
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"VERTICAL" ) );
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RigFemScalarResultFrames* verticalCompressibilityRatioFrames =
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m_resultCollection->createScalarResult( partIndex,
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RigFemResultAddress( resVarAddr.resultPosType,
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resVarAddr.fieldName,
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"VERTICAL-RATIO" ) );
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frameCountProgress.incrementProgress();
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const RigFemPart* femPart = m_resultCollection->parts()->part( partIndex );
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float inf = std::numeric_limits<float>::infinity();
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frameCountProgress.setNextProgressIncrement( 1u );
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int referenceFrameIdx = m_resultCollection->referenceTimeStep();
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int frameCount = srcEVDataFrames->frameCount();
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for ( int fIdx = 0; fIdx < frameCount; ++fIdx )
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{
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const std::vector<float>& evData = srcEVDataFrames->frameData( fIdx );
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const std::vector<float>& referenceEvData = srcEVDataFrames->frameData( referenceFrameIdx );
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const std::vector<float>& verticalStrainData = verticalStrainDataFrames->frameData( fIdx );
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const std::vector<float>& referenceVerticalStrainData = verticalStrainDataFrames->frameData( referenceFrameIdx );
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const std::vector<float>& youngsModuliData = youngsModuliFrames->frameData( fIdx );
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const std::vector<float>& poissonRatioData = poissonRatioFrames->frameData( fIdx );
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const std::vector<float>& voidRatioData = voidRatioFrames->frameData( referenceFrameIdx );
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const std::vector<float>& referencePorFrameData = srcPORDataFrames->frameData( referenceFrameIdx );
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const std::vector<float>& porFrameData = srcPORDataFrames->frameData( fIdx );
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std::vector<float>& poreCompressibilityFrameData = poreCompressibilityFrames->frameData( fIdx );
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std::vector<float>& verticalCompressibilityFrameData = verticalCompressibilityFrames->frameData( fIdx );
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std::vector<float>& verticalCompressibilityRatioFrameData = verticalCompressibilityRatioFrames->frameData( fIdx );
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size_t valCount = evData.size();
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poreCompressibilityFrameData.resize( valCount );
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verticalCompressibilityFrameData.resize( valCount );
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verticalCompressibilityRatioFrameData.resize( valCount );
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int elementCount = femPart->elementCount();
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std::vector<float> biotData;
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if ( biotCoefficient )
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{
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biotData = biotCoefficient->frameData( fIdx );
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if ( !m_resultCollection->isValidBiotData( biotData, elementCount ) )
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{
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m_resultCollection->deleteResult( resVarAddr );
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return nullptr;
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}
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}
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#pragma omp parallel for
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for ( int elmIdx = 0; elmIdx < elementCount; ++elmIdx )
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{
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RigElementType elmType = femPart->elementType( elmIdx );
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int elmNodeCount = RigFemTypes::elementNodeCount( femPart->elementType( elmIdx ) );
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if ( elmType == HEX8P )
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{
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for ( int elmNodIdx = 0; elmNodIdx < elmNodeCount; ++elmNodIdx )
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{
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size_t elmNodResIdx = femPart->elementNodeResultIdx( elmIdx, elmNodIdx );
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if ( elmNodResIdx < evData.size() )
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{
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if ( fIdx == referenceFrameIdx )
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{
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// The time step and the reference time step are the same: results undefined
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poreCompressibilityFrameData[elmNodResIdx] = inf;
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verticalCompressibilityFrameData[elmNodResIdx] = inf;
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verticalCompressibilityRatioFrameData[elmNodResIdx] = inf;
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}
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else
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{
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// Use biot coefficient for all timesteps
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double biotCoefficient = 1.0;
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if ( biotData.empty() )
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{
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biotCoefficient = m_resultCollection->biotFixedFactor();
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}
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else
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{
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// Use coefficient from element property table
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biotCoefficient = biotData[elmIdx];
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}
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int nodeIdx = femPart->nodeIdxFromElementNodeResultIdx( elmNodResIdx );
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// Calculate bulk modulus for solids (grains).
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// Incoming unit for Young's Modulus is GPa: convert to Pa.
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double poissonRatio = poissonRatioData[elmIdx];
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double youngsModuli = RiaEclipseUnitTools::gigaPascalToPascal( youngsModuliData[elmIdx] );
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double bulkModulusFrame = youngsModuli / ( 3.0 * ( 1.0 - 2.0 * poissonRatio ) );
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double bulkModulus = bulkModulusFrame / ( 1.0 - biotCoefficient );
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// Calculate porosity
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double voidr = voidRatioData[elmNodResIdx];
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double porosity = voidr / ( 1.0 + voidr );
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// Calculate difference in pore pressure between reference state and this state,
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// and convert unit from Bar to Pascal.
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double referencePorePressure = referencePorFrameData[nodeIdx];
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double framePorePressure = porFrameData[nodeIdx];
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double deltaPorePressure =
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RiaEclipseUnitTools::barToPascal( framePorePressure - referencePorePressure );
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// Calculate pore compressibility
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double poreCompressibility = inf;
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if ( deltaPorePressure != 0.0 && porosity != 0.0 )
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{
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double deltaEv = evData[elmNodResIdx] - referenceEvData[elmNodResIdx];
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poreCompressibility = -( biotCoefficient * deltaEv ) / ( deltaPorePressure * porosity );
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// Guard against divide by zero: second term can be ignored when bulk modulus is zero,
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// which can happens when biot coefficient is 1.0
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if ( biotCoefficient != 1.0 && porosity != 1.0 )
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{
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poreCompressibility += ( 1.0 / bulkModulus ) * ( biotCoefficient / porosity - 1.0 );
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}
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}
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// Convert from 1/Pa to 1/GPa
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poreCompressibilityFrameData[elmNodResIdx] = poreCompressibility * 1.0e9;
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double verticalCompressibility = inf;
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double verticalCompressibilityRatio = inf;
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if ( biotCoefficient != 0.0 && deltaPorePressure != 0.0 )
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{
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double deltaStrain = verticalStrainData[elmNodResIdx] -
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referenceVerticalStrainData[elmNodResIdx];
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// Calculate vertical compressibility (unit: 1/Pa)
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verticalCompressibility = -deltaStrain / ( biotCoefficient * deltaPorePressure );
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// Calculate vertical compressibility ratio
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verticalCompressibilityRatio =
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( verticalCompressibility * youngsModuli * ( 1.0 - poissonRatio ) ) /
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( ( 1.0 + poissonRatio ) * ( 1.0 - 2.0 * poissonRatio ) );
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}
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// Convert from 1/Pa to 1/GPa
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verticalCompressibilityFrameData[elmNodResIdx] = verticalCompressibility * 1.0e9;
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verticalCompressibilityRatioFrameData[elmNodResIdx] = verticalCompressibilityRatio;
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}
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}
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}
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}
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else
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{
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for ( int elmNodIdx = 0; elmNodIdx < elmNodeCount; ++elmNodIdx )
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{
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size_t elmNodResIdx = femPart->elementNodeResultIdx( elmIdx, elmNodIdx );
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if ( elmNodResIdx < poreCompressibilityFrameData.size() )
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{
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poreCompressibilityFrameData[elmNodResIdx] = inf;
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}
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}
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}
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}
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frameCountProgress.incrementProgress();
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}
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RigFemScalarResultFrames* requestedResultFrames = m_resultCollection->findOrLoadScalarResult( partIndex, resVarAddr );
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return requestedResultFrames;
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}
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