mirror of
https://github.com/OPM/opm-simulators.git
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581 lines
22 KiB
C++
581 lines
22 KiB
C++
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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// vi: set et ts=4 sw=4 sts=4:
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/*
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This file is part of the Open Porous Media project (OPM).
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OPM 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 2 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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Consult the COPYING file in the top-level source directory of this
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module for the precise wording of the license and the list of
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copyright holders.
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*/
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/*!
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* \file
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*
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* \brief Classes required for molecular diffusion.
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*/
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#ifndef EWOMS_DIFFUSION_MODULE_HH
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#define EWOMS_DIFFUSION_MODULE_HH
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#include <opm/models/discretization/common/fvbaseproperties.hh>
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#include <opm/material/common/Valgrind.hpp>
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#include <dune/common/fvector.hh>
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#include <stdexcept>
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namespace Opm {
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/*!
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* \ingroup Diffusion
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* \class Opm::BlackOilDiffusionModule
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* \brief Provides the auxiliary methods required for consideration of the
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* diffusion equation.
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*/
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template <class TypeTag, bool enableDiffusion>
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class BlackOilDiffusionModule;
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template <class TypeTag, bool enableDiffusion>
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class BlackOilDiffusionExtensiveQuantities;
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/*!
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* \copydoc Opm::BlackOilDiffusionModule
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*/
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template <class TypeTag>
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class BlackOilDiffusionModule<TypeTag, /*enableDiffusion=*/false>
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{
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using Scalar = GetPropType<TypeTag, Properties::Scalar>;
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using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
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using RateVector = GetPropType<TypeTag, Properties::RateVector>;
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public:
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/*!
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* \brief Register all run-time parameters for the diffusion module.
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*/
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static void registerParameters()
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{}
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/*!
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* \brief Adds the diffusive mass flux flux to the flux vector over a flux
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* integration point.
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*/
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template <class Context>
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static void addDiffusiveFlux(RateVector&,
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const Context&,
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unsigned,
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unsigned)
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{}
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};
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/*!
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* \copydoc Opm::BlackOilDiffusionModule
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*/
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template <class TypeTag>
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class BlackOilDiffusionModule<TypeTag, /*enableDiffusion=*/true>
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{
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using Scalar = GetPropType<TypeTag, Properties::Scalar>;
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using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
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using RateVector = GetPropType<TypeTag, Properties::RateVector>;
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using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
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using Indices = GetPropType<TypeTag, Properties::Indices>;
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enum { numPhases = FluidSystem::numPhases };
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enum { numComponents = FluidSystem::numComponents };
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enum { conti0EqIdx = Indices::conti0EqIdx };
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using Toolbox = MathToolbox<Evaluation>;
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public:
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using ExtensiveQuantities = BlackOilDiffusionExtensiveQuantities<TypeTag,true>;
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/*!
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* \brief Register all run-time parameters for the diffusion module.
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*/
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static void registerParameters()
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{}
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/*!
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* \brief Adds the mass flux due to molecular diffusion to the flux vector over the
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* flux integration point.
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*/
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template <class Context>
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static void addDiffusiveFlux(RateVector& flux, const Context& context,
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unsigned spaceIdx, unsigned timeIdx)
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{
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// Only work if diffusion is enabled run-time by DIFFUSE in the deck
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if(!FluidSystem::enableDiffusion())
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return;
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const auto& extQuants = context.extensiveQuantities(spaceIdx, timeIdx);
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const auto& fluidStateI = context.intensiveQuantities(extQuants.interiorIndex(), timeIdx).fluidState();
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const auto& fluidStateJ = context.intensiveQuantities(extQuants.exteriorIndex(), timeIdx).fluidState();
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const auto& diffusivity = extQuants.diffusivity();
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const auto& effectiveDiffusionCoefficient = extQuants.effectiveDiffusionCoefficient();
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addDiffusiveFlux(flux, fluidStateI, fluidStateJ, diffusivity, effectiveDiffusionCoefficient);
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}
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template<class FluidState,class EvaluationArray>
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static void addDiffusiveFlux(RateVector& flux,
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const FluidState& fluidStateI,
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const FluidState& fluidStateJ,
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const Evaluation& diffusivity,
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const EvaluationArray& effectiveDiffusionCoefficient)
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{
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unsigned pvtRegionIndex = fluidStateI.pvtRegionIndex();
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for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
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if (!FluidSystem::phaseIsActive(phaseIdx)) {
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continue;
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}
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// no diffusion in water for blackoil models
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if (!FluidSystem::enableDissolvedGasInWater() && FluidSystem::waterPhaseIdx == phaseIdx) {
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continue;
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}
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// no diffusion in gas phase in water + gas system.
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if (FluidSystem::gasPhaseIdx == phaseIdx && !FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx)) {
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continue;
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}
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// arithmetic mean of the phase's b factor weighed by saturation
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Evaluation bSAvg = fluidStateI.saturation(phaseIdx) * fluidStateI.invB(phaseIdx);
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bSAvg += Toolbox::value(fluidStateJ.saturation(phaseIdx)) * Toolbox::value(fluidStateJ.invB(phaseIdx));
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bSAvg /= 2;
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// phase not present, skip
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if(bSAvg < 1.0e-6)
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continue;
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Evaluation convFactor = 1.0;
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Evaluation diffR = 0.0;
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if (FluidSystem::enableDissolvedGas() && FluidSystem::phaseIsActive(FluidSystem::gasPhaseIdx) && phaseIdx == FluidSystem::oilPhaseIdx) {
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Evaluation rsAvg = (fluidStateI.Rs() + Toolbox::value(fluidStateJ.Rs())) / 2;
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convFactor = 1.0 / (toMolFractionGasOil(pvtRegionIndex) + rsAvg);
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diffR = fluidStateI.Rs() - Toolbox::value(fluidStateJ.Rs());
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}
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if (FluidSystem::enableVaporizedOil() && FluidSystem::phaseIsActive(FluidSystem::oilPhaseIdx) && phaseIdx == FluidSystem::gasPhaseIdx) {
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Evaluation rvAvg = (fluidStateI.Rv() + Toolbox::value(fluidStateJ.Rv())) / 2;
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convFactor = toMolFractionGasOil(pvtRegionIndex) / (1.0 + rvAvg*toMolFractionGasOil(pvtRegionIndex));
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diffR = fluidStateI.Rv() - Toolbox::value(fluidStateJ.Rv());
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}
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if (FluidSystem::enableDissolvedGasInWater() && phaseIdx == FluidSystem::waterPhaseIdx) {
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Evaluation rsAvg = (fluidStateI.Rsw() + Toolbox::value(fluidStateJ.Rsw())) / 2;
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convFactor = 1.0 / (toMolFractionGasWater(pvtRegionIndex) + rsAvg);
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diffR = fluidStateI.Rsw() - Toolbox::value(fluidStateJ.Rsw());
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}
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// mass flux of solvent component (oil in oil or gas in gas)
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unsigned solventCompIdx = FluidSystem::solventComponentIndex(phaseIdx);
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unsigned activeSolventCompIdx = Indices::canonicalToActiveComponentIndex(solventCompIdx);
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flux[conti0EqIdx + activeSolventCompIdx] +=
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- bSAvg
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* convFactor
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* diffR
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* diffusivity
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* effectiveDiffusionCoefficient[phaseIdx][solventCompIdx];
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// mass flux of solute component (gas in oil or oil in gas)
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unsigned soluteCompIdx = FluidSystem::soluteComponentIndex(phaseIdx);
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unsigned activeSoluteCompIdx = Indices::canonicalToActiveComponentIndex(soluteCompIdx);
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flux[conti0EqIdx + activeSoluteCompIdx] +=
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bSAvg
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* diffR
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* convFactor
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* diffusivity
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* effectiveDiffusionCoefficient[phaseIdx][soluteCompIdx];
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}
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}
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private:
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static Scalar toMolFractionGasOil (unsigned regionIdx) {
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Scalar mMOil = FluidSystem::molarMass(FluidSystem::oilCompIdx, regionIdx);
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Scalar rhoO = FluidSystem::referenceDensity(FluidSystem::oilPhaseIdx, regionIdx);
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Scalar mMGas = FluidSystem::molarMass(FluidSystem::gasCompIdx, regionIdx);
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Scalar rhoG = FluidSystem::referenceDensity(FluidSystem::gasPhaseIdx, regionIdx);
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return rhoO * mMGas / (rhoG * mMOil);
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}
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static Scalar toMolFractionGasWater (unsigned regionIdx) {
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Scalar mMWater = FluidSystem::molarMass(FluidSystem::waterCompIdx, regionIdx);
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Scalar rhoW = FluidSystem::referenceDensity(FluidSystem::waterPhaseIdx, regionIdx);
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Scalar mMGas = FluidSystem::molarMass(FluidSystem::gasCompIdx, regionIdx);
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Scalar rhoG = FluidSystem::referenceDensity(FluidSystem::gasPhaseIdx, regionIdx);
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return rhoW * mMGas / (rhoG * mMWater);
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}
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};
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/*!
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* \ingroup Diffusion
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* \class Opm::BlackOilDiffusionIntensiveQuantities
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*
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* \brief Provides the volumetric quantities required for the
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* calculation of molecular diffusive fluxes.
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*/
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template <class TypeTag, bool enableDiffusion>
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class BlackOilDiffusionIntensiveQuantities;
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/*!
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* \copydoc Opm::DiffusionIntensiveQuantities
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*/
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template <class TypeTag>
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class BlackOilDiffusionIntensiveQuantities<TypeTag, /*enableDiffusion=*/false>
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{
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using Scalar = GetPropType<TypeTag, Properties::Scalar>;
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using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
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using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
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public:
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/*!
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* \brief Returns the tortuousity of the sub-domain of a fluid
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* phase in the porous medium.
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*/
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Scalar tortuosity(unsigned) const
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{
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throw std::logic_error("Method tortuosity() does not make sense "
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"if diffusion is disabled");
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}
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/*!
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* \brief Returns the molecular diffusion coefficient for a
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* component in a phase.
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*/
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Scalar diffusionCoefficient(unsigned, unsigned) const
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{
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throw std::logic_error("Method diffusionCoefficient() does not "
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"make sense if diffusion is disabled");
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}
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/*!
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* \brief Returns the effective molecular diffusion coefficient of
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* the porous medium for a component in a phase.
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*/
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Scalar effectiveDiffusionCoefficient(unsigned, unsigned) const
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{
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throw std::logic_error("Method effectiveDiffusionCoefficient() "
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"does not make sense if diffusion is disabled");
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}
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protected:
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/*!
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* \brief Update the quantities required to calculate diffusive
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* mass fluxes.
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*/
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template <class FluidState>
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void update_(FluidState&,
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typename FluidSystem::template ParameterCache<typename FluidState::Scalar>&,
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const ElementContext&,
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unsigned,
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unsigned)
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{ }
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};
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/*!
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* \copydoc Opm::DiffusionIntensiveQuantities
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*/
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template <class TypeTag>
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class BlackOilDiffusionIntensiveQuantities<TypeTag, /*enableDiffusion=*/true>
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{
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using Scalar = GetPropType<TypeTag, Properties::Scalar>;
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using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
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using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
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using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
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using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
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enum { numPhases = FluidSystem::numPhases };
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enum { numComponents = FluidSystem::numComponents };
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public:
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BlackOilDiffusionIntensiveQuantities() = default;
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BlackOilDiffusionIntensiveQuantities(BlackOilDiffusionIntensiveQuantities&&) noexcept = default;
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BlackOilDiffusionIntensiveQuantities(const BlackOilDiffusionIntensiveQuantities&) = default;
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BlackOilDiffusionIntensiveQuantities& operator=(BlackOilDiffusionIntensiveQuantities&&) noexcept = default;
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BlackOilDiffusionIntensiveQuantities&
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operator=(const BlackOilDiffusionIntensiveQuantities& rhs)
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{
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if (this == &rhs) return *this;
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if (FluidSystem::enableDiffusion()) {
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std::copy(rhs.tortuosity_, rhs.tortuosity_ + numPhases, tortuosity_);
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for (size_t i = 0; i < numPhases; ++i) {
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std::copy(rhs.diffusionCoefficient_[i],
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rhs.diffusionCoefficient_[i]+numComponents,
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diffusionCoefficient_[i]);
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}
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}
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return *this;
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}
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/*!
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* \brief Returns the molecular diffusion coefficient for a
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* component in a phase.
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*/
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Evaluation diffusionCoefficient(unsigned phaseIdx, unsigned compIdx) const
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{ return diffusionCoefficient_[phaseIdx][compIdx]; }
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/*!
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* \brief Returns the tortuousity of the sub-domain of a fluid
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* phase in the porous medium.
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*/
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Evaluation tortuosity(unsigned phaseIdx) const
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{ return tortuosity_[phaseIdx]; }
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/*!
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* \brief Returns the effective molecular diffusion coefficient of
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* the porous medium for a component in a phase.
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*/
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Evaluation effectiveDiffusionCoefficient(unsigned phaseIdx, unsigned compIdx) const
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{
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// For the blackoil model tortuosity is disabled.
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// TODO add a run-time parameter to enable tortuosity
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static bool enableTortuosity = false;
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if (enableTortuosity)
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return tortuosity_[phaseIdx] * diffusionCoefficient_[phaseIdx][compIdx];
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return diffusionCoefficient_[phaseIdx][compIdx];
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}
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protected:
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/*!
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* \brief Update the quantities required to calculate diffusive
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* mass fluxes.
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*/
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template <class FluidState>
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void update_(FluidState& fluidState,
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typename FluidSystem::template ParameterCache<typename FluidState::Scalar>& paramCache,
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const ElementContext& elemCtx,
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unsigned dofIdx,
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unsigned timeIdx)
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{
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// Only work if diffusion is enabled run-time by DIFFUSE in the deck
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if(!FluidSystem::enableDiffusion())
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return;
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const auto& intQuants = elemCtx.intensiveQuantities(dofIdx, timeIdx);
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update_(fluidState, paramCache, intQuants);
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}
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template<class FluidState>
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void update_(FluidState& fluidState,
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typename FluidSystem::template ParameterCache<typename FluidState::Scalar>& paramCache,
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const IntensiveQuantities& intQuants) {
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using Toolbox = MathToolbox<Evaluation>;
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for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
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if (!FluidSystem::phaseIsActive(phaseIdx)) {
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continue;
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}
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// no diffusion in water for blackoil models
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if (!FluidSystem::enableDissolvedGasInWater() && FluidSystem::waterPhaseIdx == phaseIdx) {
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continue;
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}
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// Based on Millington, R. J., & Quirk, J. P. (1961).
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// \Note: it is possible to use NumericalConstants later
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// constexpr auto& numconst = GetPropValue<TypeTag, Properties::NumericalConstants>;
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constexpr double myeps = 0.0001; //numconst.blackoildiffusionmoduleeps;
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const Evaluation& base =
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Toolbox::max(myeps, //0.0001,
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intQuants.porosity()
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* intQuants.fluidState().saturation(phaseIdx));
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tortuosity_[phaseIdx] =
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1.0 / (intQuants.porosity() * intQuants.porosity())
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* Toolbox::pow(base, 10.0/3.0);
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for (unsigned compIdx = 0; compIdx < numComponents; ++compIdx) {
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diffusionCoefficient_[phaseIdx][compIdx] =
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FluidSystem::diffusionCoefficient(fluidState,
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paramCache,
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phaseIdx,
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compIdx);
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}
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}
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}
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private:
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Evaluation tortuosity_[numPhases];
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Evaluation diffusionCoefficient_[numPhases][numComponents];
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};
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/*!
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* \ingroup Diffusion
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* \class Opm::BlackOilDiffusionExtensiveQuantities
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*
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* \brief Provides the quantities required to calculate diffusive mass fluxes.
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*/
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template <class TypeTag, bool enableDiffusion>
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class BlackOilDiffusionExtensiveQuantities;
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/*!
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* \copydoc Opm::DiffusionExtensiveQuantities
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*/
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template <class TypeTag>
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class BlackOilDiffusionExtensiveQuantities<TypeTag, /*enableDiffusion=*/false>
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{
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using Scalar = GetPropType<TypeTag, Properties::Scalar>;
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using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
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using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
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protected:
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/*!
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* \brief Update the quantities required to calculate
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* the diffusive mass fluxes.
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*/
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void update_(const ElementContext&,
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unsigned,
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unsigned)
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{}
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template <class Context, class FluidState>
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void updateBoundary_(const Context&,
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unsigned,
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unsigned,
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const FluidState&)
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{}
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public:
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/*!
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* \brief The diffusivity the face.
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*
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*/
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const Scalar& diffusivity() const
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{
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throw std::logic_error("The method diffusivity() does not "
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"make sense if diffusion is disabled.");
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}
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/*!
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* \brief The effective diffusion coeffcient of a component in a
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* fluid phase at the face's integration point
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*
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* \copydoc Doxygen::phaseIdxParam
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* \copydoc Doxygen::compIdxParam
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*/
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const Evaluation& effectiveDiffusionCoefficient(unsigned,
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unsigned) const
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{
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throw std::logic_error("The method effectiveDiffusionCoefficient() "
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"does not make sense if diffusion is disabled.");
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}
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};
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/*!
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* \copydoc Opm::BlackOilDiffusionExtensiveQuantities
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*/
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template <class TypeTag>
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class BlackOilDiffusionExtensiveQuantities<TypeTag, /*enableDiffusion=*/true>
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{
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using Scalar = GetPropType<TypeTag, Properties::Scalar>;
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using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
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using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
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using GridView = GetPropType<TypeTag, Properties::GridView>;
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using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
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using Toolbox = MathToolbox<Evaluation>;
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using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
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enum { dimWorld = GridView::dimensionworld };
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enum { numPhases = getPropValue<TypeTag, Properties::NumPhases>() };
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enum { numComponents = getPropValue<TypeTag, Properties::NumComponents>() };
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using DimVector = Dune::FieldVector<Scalar, dimWorld>;
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using DimEvalVector = Dune::FieldVector<Evaluation, dimWorld>;
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public:
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using EvaluationArray = Evaluation[numPhases][numComponents];
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protected:
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/*!
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* \brief Update the quantities required to calculate
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* the diffusive mass fluxes.
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*/
|
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void update_(const ElementContext& elemCtx, unsigned faceIdx, unsigned timeIdx)
|
|
{
|
|
// Only work if diffusion is enabled run-time by DIFFUSE in the deck
|
|
if(!FluidSystem::enableDiffusion())
|
|
return;
|
|
|
|
const auto& stencil = elemCtx.stencil(timeIdx);
|
|
const auto& face = stencil.interiorFace(faceIdx);
|
|
const auto& extQuants = elemCtx.extensiveQuantities(faceIdx, timeIdx);
|
|
const auto& intQuantsInside = elemCtx.intensiveQuantities(extQuants.interiorIndex(), timeIdx);
|
|
const auto& intQuantsOutside = elemCtx.intensiveQuantities(extQuants.exteriorIndex(), timeIdx);
|
|
|
|
const Scalar diffusivity = elemCtx.problem().diffusivity(elemCtx, face.interiorIndex(), face.exteriorIndex());
|
|
const Scalar faceArea = face.area();
|
|
diffusivity_ = diffusivity / faceArea;
|
|
update(effectiveDiffusionCoefficient_, intQuantsInside, intQuantsOutside);
|
|
Valgrind::CheckDefined(diffusivity_);
|
|
}
|
|
|
|
public:
|
|
static void update(EvaluationArray& effectiveDiffusionCoefficient,
|
|
const IntensiveQuantities& intQuantsInside,
|
|
const IntensiveQuantities& intQuantsOutside) {
|
|
// opm-models expects per area flux
|
|
for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
|
|
if (!FluidSystem::phaseIsActive(phaseIdx)) {
|
|
continue;
|
|
}
|
|
// no diffusion in water for blackoil models
|
|
if (!FluidSystem::enableDissolvedGasInWater() && FluidSystem::waterPhaseIdx == phaseIdx) {
|
|
continue;
|
|
}
|
|
for (unsigned compIdx = 0; compIdx < numComponents; ++compIdx) {
|
|
// use the arithmetic average for the effective
|
|
// diffusion coefficients.
|
|
effectiveDiffusionCoefficient[phaseIdx][compIdx] = 0.5 *
|
|
( intQuantsInside.effectiveDiffusionCoefficient(phaseIdx, compIdx) +
|
|
intQuantsOutside.effectiveDiffusionCoefficient(phaseIdx, compIdx) );
|
|
Valgrind::CheckDefined(effectiveDiffusionCoefficient[phaseIdx][compIdx]);
|
|
}
|
|
}
|
|
}
|
|
protected:
|
|
template <class Context, class FluidState>
|
|
void updateBoundary_(const Context&,
|
|
unsigned,
|
|
unsigned,
|
|
const FluidState&)
|
|
{
|
|
throw std::runtime_error("Not implemented: Diffusion across boundary not implemented for blackoil");
|
|
}
|
|
|
|
public:
|
|
/*!
|
|
* \brief The diffusivity of the face.
|
|
*
|
|
* \copydoc Doxygen::phaseIdxParam
|
|
* \copydoc Doxygen::compIdxParam
|
|
*/
|
|
const Scalar& diffusivity() const
|
|
{ return diffusivity_; }
|
|
|
|
/*!
|
|
* \brief The effective diffusion coeffcient of a component in a
|
|
* fluid phase at the face's integration point
|
|
*
|
|
* \copydoc Doxygen::phaseIdxParam
|
|
* \copydoc Doxygen::compIdxParam
|
|
*/
|
|
const Evaluation& effectiveDiffusionCoefficient(unsigned phaseIdx, unsigned compIdx) const
|
|
{ return effectiveDiffusionCoefficient_[phaseIdx][compIdx]; }
|
|
|
|
const auto& effectiveDiffusionCoefficient() const{
|
|
return effectiveDiffusionCoefficient_;
|
|
}
|
|
|
|
private:
|
|
Scalar diffusivity_;
|
|
EvaluationArray effectiveDiffusionCoefficient_;
|
|
};
|
|
|
|
} // namespace Opm
|
|
|
|
#endif
|