opm-simulators/opm/models/blackoil/blackoillocalresidual.hh
2021-05-25 11:46:55 +02:00

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
Consult the COPYING file in the top-level source directory of this
module for the precise wording of the license and the list of
copyright holders.
*/
/*!
* \file
*
* \copydoc Opm::BlackOilLocalResidual
*/
#ifndef EWOMS_BLACK_OIL_LOCAL_RESIDUAL_HH
#define EWOMS_BLACK_OIL_LOCAL_RESIDUAL_HH
#include "blackoilproperties.hh"
#include "blackoilsolventmodules.hh"
#include "blackoilextbomodules.hh"
#include "blackoilpolymermodules.hh"
#include "blackoilenergymodules.hh"
#include "blackoilfoammodules.hh"
#include "blackoilbrinemodules.hh"
#include "blackoildiffusionmodule.hh"
#include <opm/material/fluidstates/BlackOilFluidState.hpp>
namespace Opm {
/*!
* \ingroup BlackOilModel
*
* \brief Calculates the local residual of the black oil model.
*/
template <class TypeTag>
class BlackOilLocalResidual : public GetPropType<TypeTag, Properties::DiscLocalResidual>
{
using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
using ExtensiveQuantities = GetPropType<TypeTag, Properties::ExtensiveQuantities>;
using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
using Indices = GetPropType<TypeTag, Properties::Indices>;
using Scalar = GetPropType<TypeTag, Properties::Scalar>;
using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
using EqVector = GetPropType<TypeTag, Properties::EqVector>;
using RateVector = GetPropType<TypeTag, Properties::RateVector>;
using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
enum { conti0EqIdx = Indices::conti0EqIdx };
enum { numEq = getPropValue<TypeTag, Properties::NumEq>() };
enum { numPhases = getPropValue<TypeTag, Properties::NumPhases>() };
enum { numComponents = getPropValue<TypeTag, Properties::NumComponents>() };
enum { gasPhaseIdx = FluidSystem::gasPhaseIdx };
enum { oilPhaseIdx = FluidSystem::oilPhaseIdx };
enum { waterPhaseIdx = FluidSystem::waterPhaseIdx };
enum { gasCompIdx = FluidSystem::gasCompIdx };
enum { oilCompIdx = FluidSystem::oilCompIdx };
enum { waterCompIdx = FluidSystem::waterCompIdx };
enum { compositionSwitchIdx = Indices::compositionSwitchIdx };
static const bool waterEnabled = Indices::waterEnabled;
static const bool gasEnabled = Indices::gasEnabled;
static const bool oilEnabled = Indices::oilEnabled;
static const bool compositionSwitchEnabled = (compositionSwitchIdx >= 0);
static constexpr bool blackoilConserveSurfaceVolume = getPropValue<TypeTag, Properties::BlackoilConserveSurfaceVolume>();
static constexpr bool enableEnergy = getPropValue<TypeTag, Properties::EnableEnergy>();
static constexpr bool enableDiffusion = getPropValue<TypeTag, Properties::EnableDiffusion>();
using Toolbox = MathToolbox<Evaluation>;
using SolventModule = BlackOilSolventModule<TypeTag>;
using ExtboModule = BlackOilExtboModule<TypeTag>;
using PolymerModule = BlackOilPolymerModule<TypeTag>;
using EnergyModule = BlackOilEnergyModule<TypeTag>;
using FoamModule = BlackOilFoamModule<TypeTag>;
using BrineModule = BlackOilBrineModule<TypeTag>;
using DiffusionModule = BlackOilDiffusionModule<TypeTag, enableDiffusion>;
public:
/*!
* \copydoc FvBaseLocalResidual::computeStorage
*/
template <class LhsEval>
void computeStorage(Dune::FieldVector<LhsEval, numEq>& storage,
const ElementContext& elemCtx,
unsigned dofIdx,
unsigned timeIdx) const
{
// retrieve the intensive quantities for the SCV at the specified point in time
const IntensiveQuantities& intQuants = elemCtx.intensiveQuantities(dofIdx, timeIdx);
const auto& fs = intQuants.fluidState();
storage = 0.0;
for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
if (!FluidSystem::phaseIsActive(phaseIdx)) {
if (Indices::numPhases == 3) { // add trivial equation for the pseudo phase
unsigned activeCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::solventComponentIndex(phaseIdx));
if (timeIdx == 0)
storage[conti0EqIdx + activeCompIdx] = variable<LhsEval>(0.0, conti0EqIdx + activeCompIdx);
else
storage[conti0EqIdx + activeCompIdx] = 0.0;
}
continue;
}
unsigned activeCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::solventComponentIndex(phaseIdx));
LhsEval surfaceVolume =
Toolbox::template decay<LhsEval>(fs.saturation(phaseIdx))
* Toolbox::template decay<LhsEval>(fs.invB(phaseIdx))
* Toolbox::template decay<LhsEval>(intQuants.porosity());
storage[conti0EqIdx + activeCompIdx] += surfaceVolume;
// account for dissolved gas
if (phaseIdx == oilPhaseIdx && FluidSystem::enableDissolvedGas()) {
unsigned activeGasCompIdx = Indices::canonicalToActiveComponentIndex(gasCompIdx);
storage[conti0EqIdx + activeGasCompIdx] +=
Toolbox::template decay<LhsEval>(intQuants.fluidState().Rs())
* surfaceVolume;
}
// account for vaporized oil
if (phaseIdx == gasPhaseIdx && FluidSystem::enableVaporizedOil()) {
unsigned activeOilCompIdx = Indices::canonicalToActiveComponentIndex(oilCompIdx);
storage[conti0EqIdx + activeOilCompIdx] +=
Toolbox::template decay<LhsEval>(intQuants.fluidState().Rv())
* surfaceVolume;
}
}
adaptMassConservationQuantities_(storage, intQuants.pvtRegionIndex());
// deal with solvents (if present)
SolventModule::addStorage(storage, intQuants);
// deal with zFracton (if present)
ExtboModule::addStorage(storage, intQuants);
// deal with polymer (if present)
PolymerModule::addStorage(storage, intQuants);
// deal with energy (if present)
EnergyModule::addStorage(storage, intQuants);
// deal with foam (if present)
FoamModule::addStorage(storage, intQuants);
// deal with salt (if present)
BrineModule::addStorage(storage, intQuants);
}
/*!
* \copydoc FvBaseLocalResidual::computeFlux
*/
void computeFlux(RateVector& flux,
const ElementContext& elemCtx,
unsigned scvfIdx,
unsigned timeIdx) const
{
assert(timeIdx == 0);
flux = 0.0;
const ExtensiveQuantities& extQuants = elemCtx.extensiveQuantities(scvfIdx, timeIdx);
unsigned focusDofIdx = elemCtx.focusDofIndex();
for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++ phaseIdx) {
if (!FluidSystem::phaseIsActive(phaseIdx))
continue;
unsigned upIdx = static_cast<unsigned>(extQuants.upstreamIndex(phaseIdx));
const IntensiveQuantities& up = elemCtx.intensiveQuantities(upIdx, timeIdx);
unsigned pvtRegionIdx = up.pvtRegionIndex();
if (upIdx == focusDofIdx)
evalPhaseFluxes_<Evaluation>(flux, phaseIdx, pvtRegionIdx, extQuants, up.fluidState());
else
evalPhaseFluxes_<Scalar>(flux, phaseIdx, pvtRegionIdx, extQuants, up.fluidState());
}
// deal with solvents (if present)
SolventModule::computeFlux(flux, elemCtx, scvfIdx, timeIdx);
// deal with zFracton (if present)
ExtboModule::computeFlux(flux, elemCtx, scvfIdx, timeIdx);
// deal with polymer (if present)
PolymerModule::computeFlux(flux, elemCtx, scvfIdx, timeIdx);
// deal with energy (if present)
EnergyModule::computeFlux(flux, elemCtx, scvfIdx, timeIdx);
// deal with foam (if present)
FoamModule::computeFlux(flux, elemCtx, scvfIdx, timeIdx);
// deal with salt (if present)
BrineModule::computeFlux(flux, elemCtx, scvfIdx, timeIdx);
DiffusionModule::addDiffusiveFlux(flux, elemCtx, scvfIdx, timeIdx);
}
/*!
* \copydoc FvBaseLocalResidual::computeSource
*/
void computeSource(RateVector& source,
const ElementContext& elemCtx,
unsigned dofIdx,
unsigned timeIdx) const
{
// retrieve the source term intrinsic to the problem
elemCtx.problem().source(source, elemCtx, dofIdx, timeIdx);
// scale the source term of the energy equation
if (enableEnergy)
source[Indices::contiEnergyEqIdx] *= getPropValue<TypeTag, Properties::BlackOilEnergyScalingFactor>();
}
/*!
* \brief Helper function to calculate the flux of mass in terms of conservation
* quantities via specific fluid phase over a face.
*/
template <class UpEval, class FluidState>
static void evalPhaseFluxes_(RateVector& flux,
unsigned phaseIdx,
unsigned pvtRegionIdx,
const ExtensiveQuantities& extQuants,
const FluidState& upFs)
{
const auto& invB = getInvB_<FluidSystem, FluidState, UpEval>(upFs, phaseIdx, pvtRegionIdx);
const auto& surfaceVolumeFlux = invB*extQuants.volumeFlux(phaseIdx);
unsigned activeCompIdx = Indices::canonicalToActiveComponentIndex(FluidSystem::solventComponentIndex(phaseIdx));
if (blackoilConserveSurfaceVolume)
flux[conti0EqIdx + activeCompIdx] += surfaceVolumeFlux;
else
flux[conti0EqIdx + activeCompIdx] += surfaceVolumeFlux*FluidSystem::referenceDensity(phaseIdx, pvtRegionIdx);
if (phaseIdx == oilPhaseIdx) {
// dissolved gas (in the oil phase).
if (FluidSystem::enableDissolvedGas()) {
const auto& Rs = BlackOil::getRs_<FluidSystem, FluidState, UpEval>(upFs, pvtRegionIdx);
unsigned activeGasCompIdx = Indices::canonicalToActiveComponentIndex(gasCompIdx);
if (blackoilConserveSurfaceVolume)
flux[conti0EqIdx + activeGasCompIdx] += Rs*surfaceVolumeFlux;
else
flux[conti0EqIdx + activeGasCompIdx] += Rs*surfaceVolumeFlux*FluidSystem::referenceDensity(gasPhaseIdx, pvtRegionIdx);
}
}
else if (phaseIdx == gasPhaseIdx) {
// vaporized oil (in the gas phase).
if (FluidSystem::enableVaporizedOil()) {
const auto& Rv = BlackOil::getRv_<FluidSystem, FluidState, UpEval>(upFs, pvtRegionIdx);
unsigned activeOilCompIdx = Indices::canonicalToActiveComponentIndex(oilCompIdx);
if (blackoilConserveSurfaceVolume)
flux[conti0EqIdx + activeOilCompIdx] += Rv*surfaceVolumeFlux;
else
flux[conti0EqIdx + activeOilCompIdx] += Rv*surfaceVolumeFlux*FluidSystem::referenceDensity(oilPhaseIdx, pvtRegionIdx);
}
}
}
/*!
* \brief Helper function to convert the mass-related parts of a Dune::FieldVector
* that stores conservation quantities in terms of "surface-volume" to the
* conservation quantities used by the model.
*
* Depending on the value of the BlackoilConserveSurfaceVolume property, the model
* either conserves mass by means of "surface volume" of the components or mass
* directly. In the former case, this method is a no-op; in the latter, the values
* passed are multiplied by their respective pure component's density at surface
* conditions.
*/
template <class Scalar>
static void adaptMassConservationQuantities_(Dune::FieldVector<Scalar, numEq>& container, unsigned pvtRegionIdx)
{
if (blackoilConserveSurfaceVolume)
return;
// convert "surface volume" to mass. this is complicated a bit by the fact that
// not all phases are necessarily enabled. (we here assume that if a fluid phase
// is disabled, its respective "main" component is not considered as well.)
if (waterEnabled) {
unsigned activeWaterCompIdx = Indices::canonicalToActiveComponentIndex(waterCompIdx);
container[conti0EqIdx + activeWaterCompIdx] *=
FluidSystem::referenceDensity(waterPhaseIdx, pvtRegionIdx);
}
if (gasEnabled) {
unsigned activeGasCompIdx = Indices::canonicalToActiveComponentIndex(gasCompIdx);
container[conti0EqIdx + activeGasCompIdx] *=
FluidSystem::referenceDensity(gasPhaseIdx, pvtRegionIdx);
}
if (oilEnabled) {
unsigned activeOilCompIdx = Indices::canonicalToActiveComponentIndex(oilCompIdx);
container[conti0EqIdx + activeOilCompIdx] *=
FluidSystem::referenceDensity(oilPhaseIdx, pvtRegionIdx);
}
}
};
} // namespace Opm
#endif