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opm-simulators/opm/models/blackoil/blackoilprimaryvariables.hh
Tor Harald Sandve 0719601e2b Use temperature from depth in primaryvariable switching
2023-09-18 12:34:52 +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::BlackOilPrimaryVariables
*/
#ifndef EWOMS_BLACK_OIL_PRIMARY_VARIABLES_HH
#define EWOMS_BLACK_OIL_PRIMARY_VARIABLES_HH
#include "blackoilproperties.hh"
#include "blackoilsolventmodules.hh"
#include "blackoilextbomodules.hh"
#include "blackoilpolymermodules.hh"
#include "blackoilenergymodules.hh"
#include "blackoilfoammodules.hh"
#include "blackoilbrinemodules.hh"
#include "blackoilmicpmodules.hh"
#include <opm/models/discretization/common/fvbaseprimaryvariables.hh>
#include <dune/common/fvector.hh>
#include <opm/material/constraintsolvers/NcpFlash.hpp>
#include <opm/material/fluidstates/CompositionalFluidState.hpp>
#include <opm/material/fluidstates/SimpleModularFluidState.hpp>
#include <opm/material/fluidsystems/BlackOilFluidSystem.hpp>
#include <opm/material/common/Valgrind.hpp>
namespace Opm {
template <class TypeTag, bool enableSolvent>
class BlackOilSolventModule;
template <class TypeTag, bool enableExtbo>
class BlackOilExtboModule;
template <class TypeTag, bool enablePolymer>
class BlackOilPolymerModule;
template <class TypeTag, bool enableBrine>
class BlackOilBrineModule;
/*!
* \ingroup BlackOilModel
*
* \brief Represents the primary variables used by the black-oil model.
*/
template <class TypeTag>
class BlackOilPrimaryVariables : public FvBasePrimaryVariables<TypeTag>
{
using ParentType = FvBasePrimaryVariables<TypeTag>;
using Implementation = GetPropType<TypeTag, Properties::PrimaryVariables>;
using Scalar = GetPropType<TypeTag, Properties::Scalar>;
using Evaluation = GetPropType<TypeTag, Properties::Evaluation>;
using Indices = GetPropType<TypeTag, Properties::Indices>;
using Problem = GetPropType<TypeTag, Properties::Problem>;
using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
using MaterialLaw = GetPropType<TypeTag, Properties::MaterialLaw>;
using MaterialLawParams = GetPropType<TypeTag, Properties::MaterialLawParams>;
// number of equations
enum { numEq = getPropValue<TypeTag, Properties::NumEq>() };
// primary variable indices
enum { waterSwitchIdx = Indices::waterSwitchIdx };
enum { pressureSwitchIdx = Indices::pressureSwitchIdx };
enum { compositionSwitchIdx = Indices::compositionSwitchIdx };
enum { saltConcentrationIdx = Indices::saltConcentrationIdx };
static constexpr bool compositionSwitchEnabled = Indices::compositionSwitchIdx >= 0;
static constexpr bool waterEnabled = Indices::waterEnabled;
static constexpr bool gasEnabled = Indices::gasEnabled;
static constexpr bool oilEnabled = Indices::oilEnabled;
// phase indices from the fluid system
enum { numPhases = getPropValue<TypeTag, Properties::NumPhases>() };
enum { gasPhaseIdx = FluidSystem::gasPhaseIdx };
enum { waterPhaseIdx = FluidSystem::waterPhaseIdx };
enum { oilPhaseIdx = FluidSystem::oilPhaseIdx };
// component indices from the fluid system
enum { numComponents = getPropValue<TypeTag, Properties::NumComponents>() };
enum { enableSolvent = getPropValue<TypeTag, Properties::EnableSolvent>() };
enum { enableExtbo = getPropValue<TypeTag, Properties::EnableExtbo>() };
enum { enablePolymer = getPropValue<TypeTag, Properties::EnablePolymer>() };
enum { enableFoam = getPropValue<TypeTag, Properties::EnableFoam>() };
enum { enableBrine = getPropValue<TypeTag, Properties::EnableBrine>() };
enum { enableSaltPrecipitation = getPropValue<TypeTag, Properties::EnableSaltPrecipitation>() };
enum { enableEvaporation = getPropValue<TypeTag, Properties::EnableEvaporation>() };
enum { enableEnergy = getPropValue<TypeTag, Properties::EnableEnergy>() };
enum { enableTemperature = getPropValue<TypeTag, Properties::EnableTemperature>() };
enum { enableMICP = getPropValue<TypeTag, Properties::EnableMICP>() };
enum { gasCompIdx = FluidSystem::gasCompIdx };
enum { waterCompIdx = FluidSystem::waterCompIdx };
enum { oilCompIdx = FluidSystem::oilCompIdx };
using Toolbox = MathToolbox<Evaluation>;
using ComponentVector = Dune::FieldVector<Scalar, numComponents>;
using SolventModule = BlackOilSolventModule<TypeTag, enableSolvent>;
using ExtboModule = BlackOilExtboModule<TypeTag, enableExtbo>;
using PolymerModule = BlackOilPolymerModule<TypeTag, enablePolymer>;
using EnergyModule = BlackOilEnergyModule<TypeTag, enableEnergy>;
using FoamModule = BlackOilFoamModule<TypeTag, enableFoam>;
using BrineModule = BlackOilBrineModule<TypeTag, enableBrine>;
using MICPModule = BlackOilMICPModule<TypeTag, enableMICP>;
static_assert(numPhases == 3, "The black-oil model assumes three phases!");
static_assert(numComponents == 3, "The black-oil model assumes three components!");
public:
enum class WaterMeaning {
Sw, // water saturation
Rvw, // vaporized water
Rsw, // dissolved gas in water
Disabled, // The primary variable is not used
};
enum class PressureMeaning {
Po, // oil pressure
Pg, // gas pressure
Pw, // water pressure
};
enum class GasMeaning {
Sg, // gas saturation
Rs, // dissolved gas in oil
Rv, // vapporized oil
Disabled, // The primary variable is not used
};
enum class BrineMeaning {
Cs, // salt concentration
Sp, // (precipitated) salt saturation
Disabled, // The primary variable is not used
};
BlackOilPrimaryVariables()
: ParentType()
{
Valgrind::SetUndefined(*this);
pvtRegionIdx_ = 0;
}
/*!
* \copydoc ImmisciblePrimaryVariables::ImmisciblePrimaryVariables(Scalar)
*/
BlackOilPrimaryVariables(Scalar value)
: ParentType(value)
{
Valgrind::SetUndefined(primaryVarsMeaningWater_);
Valgrind::SetUndefined(primaryVarsMeaningGas_);
Valgrind::SetUndefined(primaryVarsMeaningPressure_);
Valgrind::SetUndefined(primaryVarsMeaningBrine_);
pvtRegionIdx_ = 0;
}
/*!
* \copydoc ImmisciblePrimaryVariables::ImmisciblePrimaryVariables(const ImmisciblePrimaryVariables& )
*/
BlackOilPrimaryVariables(const BlackOilPrimaryVariables& value) = default;
static BlackOilPrimaryVariables serializationTestObject()
{
BlackOilPrimaryVariables result;
result.pvtRegionIdx_ = 1;
result.primaryVarsMeaningBrine_ = BrineMeaning::Sp;
result.primaryVarsMeaningGas_ = GasMeaning::Rv;
result.primaryVarsMeaningPressure_ = PressureMeaning::Pg;
result.primaryVarsMeaningWater_ = WaterMeaning::Rsw;
for (size_t i = 0; i < result.size(); ++i) {
result[i] = i+1;
}
return result;
}
/*!
* \brief Set the index of the region which should be used for PVT properties.
*
* PVT regions represent spatial variation of the composition decribed
* by the pseudo-components used by the black oil model (i.e., oil, gas
* and water). This introduce spatially varying pvt behaviour.
*/
void setPvtRegionIndex(unsigned value)
{ pvtRegionIdx_ = static_cast<unsigned short>(value); }
/*!
* \brief Return the index of the region which should be used for PVT properties.
*/
unsigned pvtRegionIndex() const
{ return pvtRegionIdx_; }
/*!
* \brief Return the interpretation which should be applied to the switching primary
* variables.
*/
WaterMeaning primaryVarsMeaningWater() const
{ return primaryVarsMeaningWater_; }
/*!
* \brief Set the interpretation which should be applied to the switching primary
* variables.
*/
void setPrimaryVarsMeaningWater(WaterMeaning newMeaning)
{ primaryVarsMeaningWater_ = newMeaning; }
/*!
* \brief Return the interpretation which should be applied to the switching primary
* variables.
*/
PressureMeaning primaryVarsMeaningPressure() const
{ return primaryVarsMeaningPressure_; }
/*!
* \brief Set the interpretation which should be applied to the switching primary
* variables.
*/
void setPrimaryVarsMeaningPressure(PressureMeaning newMeaning)
{ primaryVarsMeaningPressure_ = newMeaning; }
/*!
* \brief Return the interpretation which should be applied to the switching primary
* variables.
*/
GasMeaning primaryVarsMeaningGas() const
{ return primaryVarsMeaningGas_; }
/*!
* \brief Set the interpretation which should be applied to the switching primary
* variables.
*/
void setPrimaryVarsMeaningGas(GasMeaning newMeaning)
{ primaryVarsMeaningGas_ = newMeaning; }
BrineMeaning primaryVarsMeaningBrine() const
{ return primaryVarsMeaningBrine_; }
/*!
* \brief Set the interpretation which should be applied to the switching primary
* variables.
*/
void setPrimaryVarsMeaningBrine(BrineMeaning newMeaning)
{ primaryVarsMeaningBrine_ = newMeaning; }
/*!
* \copydoc ImmisciblePrimaryVariables::assignMassConservative
*/
template <class FluidState>
void assignMassConservative(const FluidState& fluidState,
const MaterialLawParams& matParams,
bool isInEquilibrium = false)
{
using ConstEvaluation = typename std::remove_reference<typename FluidState::Scalar>::type;
using FsEvaluation = typename std::remove_const<ConstEvaluation>::type;
using FsToolbox = MathToolbox<FsEvaluation>;
#ifndef NDEBUG
// make sure the temperature is the same in all fluid phases
for (unsigned phaseIdx = 1; phaseIdx < numPhases; ++phaseIdx) {
Valgrind::CheckDefined(fluidState.temperature(0));
Valgrind::CheckDefined(fluidState.temperature(phaseIdx));
assert(fluidState.temperature(0) == fluidState.temperature(phaseIdx));
}
#endif // NDEBUG
// for the equilibrium case, we don't need complicated
// computations.
if (isInEquilibrium) {
assignNaive(fluidState);
return;
}
// If your compiler bails out here, you're probably not using a suitable black
// oil fluid system.
typename FluidSystem::template ParameterCache<Scalar> paramCache;
paramCache.setRegionIndex(pvtRegionIdx_);
paramCache.setMaxOilSat(FsToolbox::value(fluidState.saturation(oilPhaseIdx)));
// create a mutable fluid state with well defined densities based on the input
using NcpFlash = NcpFlash<Scalar, FluidSystem>;
using FlashFluidState = CompositionalFluidState<Scalar, FluidSystem>;
FlashFluidState fsFlash;
fsFlash.setTemperature(FsToolbox::value(fluidState.temperature(/*phaseIdx=*/0)));
for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
fsFlash.setPressure(phaseIdx, FsToolbox::value(fluidState.pressure(phaseIdx)));
fsFlash.setSaturation(phaseIdx, FsToolbox::value(fluidState.saturation(phaseIdx)));
for (unsigned compIdx = 0; compIdx < numComponents; ++compIdx)
fsFlash.setMoleFraction(phaseIdx, compIdx, FsToolbox::value(fluidState.moleFraction(phaseIdx, compIdx)));
}
paramCache.updateAll(fsFlash);
for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
if (!FluidSystem::phaseIsActive(phaseIdx))
continue;
Scalar rho = FluidSystem::template density<FlashFluidState, Scalar>(fsFlash, paramCache, phaseIdx);
fsFlash.setDensity(phaseIdx, rho);
}
// calculate the "global molarities"
ComponentVector globalMolarities(0.0);
for (unsigned compIdx = 0; compIdx < numComponents; ++compIdx) {
for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
if (!FluidSystem::phaseIsActive(phaseIdx))
continue;
globalMolarities[compIdx] +=
fsFlash.saturation(phaseIdx) * fsFlash.molarity(phaseIdx, compIdx);
}
}
// use a flash calculation to calculate a fluid state in
// thermodynamic equilibrium
// run the flash calculation
NcpFlash::template solve<MaterialLaw>(fsFlash, matParams, paramCache, globalMolarities);
// use the result to assign the primary variables
assignNaive(fsFlash);
}
/*!
* \copydoc ImmisciblePrimaryVariables::assignNaive
*/
template <class FluidState>
void assignNaive(const FluidState& fluidState)
{
using ConstEvaluation = typename std::remove_reference<typename FluidState::Scalar>::type;
using FsEvaluation = typename std::remove_const<ConstEvaluation>::type;
using FsToolbox = MathToolbox<FsEvaluation>;
bool gasPresent = FluidSystem::phaseIsActive(gasPhaseIdx)?(fluidState.saturation(gasPhaseIdx) > 0.0):false;
bool oilPresent = FluidSystem::phaseIsActive(oilPhaseIdx)?(fluidState.saturation(oilPhaseIdx) > 0.0):false;
bool waterPresent = FluidSystem::phaseIsActive(waterPhaseIdx)?(fluidState.saturation(waterPhaseIdx) > 0.0):false;
const auto& saltSaturation = BlackOil::getSaltSaturation_<FluidSystem, FluidState, Scalar>(fluidState, pvtRegionIdx_);
bool precipitatedSaltPresent = enableSaltPrecipitation?(saltSaturation > 0.0):false;
bool oneActivePhases = FluidSystem::numActivePhases() == 1;
// deal with the primary variables for the energy extension
EnergyModule::assignPrimaryVars(*this, fluidState);
// Determine the meaning of the pressure primary variables
// Depending on the phases present, this variable is either interpreted as the
// pressure of the oil phase, gas phase (if no oil) or water phase (if only water)
if (gasPresent && FluidSystem::enableVaporizedOil() && !oilPresent){
primaryVarsMeaningPressure_ = PressureMeaning::Pg;
} else if (FluidSystem::phaseIsActive(oilPhaseIdx)) {
primaryVarsMeaningPressure_ = PressureMeaning::Po;
} else if ( waterPresent && FluidSystem::enableDissolvedGasInWater() && !gasPresent){
primaryVarsMeaningPressure_ = PressureMeaning::Pw;
} else if (FluidSystem::phaseIsActive(gasPhaseIdx)) {
primaryVarsMeaningPressure_ = PressureMeaning::Pg;
} else {
assert(FluidSystem::phaseIsActive(waterPhaseIdx));
primaryVarsMeaningPressure_ = PressureMeaning::Pw;
}
// Determine the meaning of the water primary variables
// Depending on the phases present, this variable is either interpreted as
// water saturation or vapporized water in the gas phase
// For two-phase gas-oil models and one-phase case the variable is disabled.
if ( waterPresent && gasPresent ){
primaryVarsMeaningWater_ = WaterMeaning::Sw;
} else if (gasPresent && FluidSystem::enableVaporizedWater()) {
primaryVarsMeaningWater_ = WaterMeaning::Rvw;
} else if (waterPresent && FluidSystem::enableDissolvedGasInWater()) {
primaryVarsMeaningWater_ = WaterMeaning::Rsw;
} else if (FluidSystem::phaseIsActive(waterPhaseIdx) && !oneActivePhases) {
primaryVarsMeaningWater_ = WaterMeaning::Sw;
} else {
primaryVarsMeaningWater_ = WaterMeaning::Disabled;
}
// Determine the meaning of the gas primary variables
// Depending on the phases present, this variable is either interpreted as the
// saturation of the gas phase, as the fraction of the gas component in the oil
// phase (Rs) or as the fraction of the oil component (Rv) in the gas phase.
// For two-phase water-oil and water-gas models and one-phase case the variable is disabled.
if ( gasPresent && oilPresent ) {
primaryVarsMeaningGas_ = GasMeaning::Sg;
} else if (oilPresent && FluidSystem::enableDissolvedGas()) {
primaryVarsMeaningGas_ = GasMeaning::Rs;
} else if (gasPresent && FluidSystem::enableVaporizedOil()){
primaryVarsMeaningGas_ = GasMeaning::Rv;
} else if (FluidSystem::phaseIsActive(gasPhaseIdx) && FluidSystem::phaseIsActive(oilPhaseIdx)) {
primaryVarsMeaningGas_ = GasMeaning::Sg;
} else {
primaryVarsMeaningGas_ = GasMeaning::Disabled;
}
// Determine the meaning of the brine primary variables
if constexpr (enableSaltPrecipitation){
if (precipitatedSaltPresent)
primaryVarsMeaningBrine_ = BrineMeaning::Sp;
else
primaryVarsMeaningBrine_ = BrineMeaning::Cs;
} else {
primaryVarsMeaningBrine_ = BrineMeaning::Disabled;
}
// assign the actual primary variables
switch(primaryVarsMeaningPressure()) {
case PressureMeaning::Po:
(*this)[pressureSwitchIdx] = FsToolbox::value(fluidState.pressure(oilPhaseIdx));
break;
case PressureMeaning::Pg:
(*this)[pressureSwitchIdx] = FsToolbox::value(fluidState.pressure(gasPhaseIdx));
break;
case PressureMeaning::Pw:
(*this)[pressureSwitchIdx] = FsToolbox::value(fluidState.pressure(waterPhaseIdx));
break;
default:
throw std::logic_error("No valid primary variable selected for pressure");
}
switch(primaryVarsMeaningWater()) {
case WaterMeaning::Sw:
{
(*this)[waterSwitchIdx] = FsToolbox::value(fluidState.saturation(waterPhaseIdx));
break;
}
case WaterMeaning::Rvw:
{
const auto& rvw = BlackOil::getRvw_<FluidSystem, FluidState, Scalar>(fluidState, pvtRegionIdx_);
(*this)[waterSwitchIdx] = rvw;
break;
}
case WaterMeaning::Rsw:
{
const auto& Rsw = BlackOil::getRsw_<FluidSystem, FluidState, Scalar>(fluidState, pvtRegionIdx_);
(*this)[waterSwitchIdx] = Rsw;
break;
}
case WaterMeaning::Disabled:
{
break;
}
default:
throw std::logic_error("No valid primary variable selected for water");
}
switch(primaryVarsMeaningGas()) {
case GasMeaning::Sg:
{
(*this)[compositionSwitchIdx] = FsToolbox::value(fluidState.saturation(gasPhaseIdx));
break;
}
case GasMeaning::Rs:
{
const auto& rs = BlackOil::getRs_<FluidSystem, FluidState, Scalar>(fluidState, pvtRegionIdx_);
(*this)[compositionSwitchIdx] = rs;
break;
}
case GasMeaning::Rv:
{
const auto& rv = BlackOil::getRv_<FluidSystem, FluidState, Scalar>(fluidState, pvtRegionIdx_);
(*this)[compositionSwitchIdx] = rv;
break;
}
case GasMeaning::Disabled:
{
break;
}
default:
throw std::logic_error("No valid primary variable selected for composision");
}
checkDefined();
}
/*!
* \brief Adapt the interpretation of the switching variables to be physically
* meaningful.
*
* If the meaning of the primary variables changes, their values are also adapted in a
* meaningful manner.
* A Scalar eps can be passed to make the switching condition more strict.
* Useful for avoiding ocsilation in the primaryVarsMeaning.
*
* \return true Iff the interpretation of one of the switching variables was changed
*/
bool adaptPrimaryVariables(const Problem& problem, unsigned globalDofIdx, Scalar swMaximum, Scalar thresholdWaterFilledCell, Scalar eps = 0.0)
{
// this function accesses quite a few black-oil specific low-level functions
// directly for better performance (instead of going the canonical way through
// the IntensiveQuantities). The reason is that most intensive quantities are not
// required to be able to decide if the primary variables needs to be switched or
// not, so it would be a waste to compute them.
// Both the primary variable meaning of water and gas are disabled i.e.
// It is a one-phase case and we no variable meaning switch is needed.
if (primaryVarsMeaningWater() == WaterMeaning::Disabled && primaryVarsMeaningGas() == GasMeaning::Disabled){
return false;
}
// Read the current saturation from the primary variables
Scalar sw = 0.0;
Scalar sg = 0.0;
Scalar saltConcentration = 0.0;
const Scalar& T = asImp_().temperature_(problem, globalDofIdx);
if (primaryVarsMeaningWater() == WaterMeaning::Sw)
sw = (*this)[waterSwitchIdx];
if (primaryVarsMeaningGas() == GasMeaning::Sg)
sg = (*this)[compositionSwitchIdx];
if (primaryVarsMeaningGas() == GasMeaning::Disabled && gasEnabled)
sg = 1.0 - sw; // water + gas case
// if solid phase disappeares: Sp (Solid salt saturation) -> Cs (salt concentration)
// if solid phase appears: Cs (salt concentration) -> Sp (Solid salt saturation)
if constexpr (enableSaltPrecipitation) {
Scalar saltSolubility = BrineModule::saltSol(pvtRegionIndex());
if (primaryVarsMeaningBrine() == BrineMeaning::Sp) {
saltConcentration = saltSolubility;
Scalar saltSat = (*this)[saltConcentrationIdx];
if (saltSat < -eps){ //precipitated salt dissappears
setPrimaryVarsMeaningBrine(BrineMeaning::Cs);
(*this)[saltConcentrationIdx] = saltSolubility; //set salt concentration to solubility limit
}
}
else if (primaryVarsMeaningBrine() == BrineMeaning::Cs) {
saltConcentration = (*this)[saltConcentrationIdx];
if (saltConcentration > saltSolubility + eps){ //salt concentration exceeds solubility limit
setPrimaryVarsMeaningBrine(BrineMeaning::Sp);
(*this)[saltConcentrationIdx] = 0.0;
}
}
}
// keep track if any meaning has changed
bool changed = false;
// Special case for cells with almost only water
// for these cells both saturations (if the phase is enabled) is used
// to avoid singular systems.
// If dissolved gas in water is enabled we shouldn't enter
// here but instead switch to Rsw as primary variable
// as sw >= 1.0 -> gas <= 0 (i.e. gas phase disappears)
if (sw >= thresholdWaterFilledCell && !FluidSystem::enableDissolvedGasInWater()) {
// make sure water saturations does not exceed sw_maximum. Default to 1.0
if constexpr (waterEnabled) {
(*this)[Indices::waterSwitchIdx] = std::min(swMaximum, sw);
assert(primaryVarsMeaningWater() == WaterMeaning::Sw);
}
// the hydrocarbon gas saturation is set to 0.0
if constexpr (compositionSwitchEnabled)
(*this)[Indices::compositionSwitchIdx] = 0.0;
changed = primaryVarsMeaningGas() != GasMeaning::Sg;
if(changed) {
if constexpr (compositionSwitchEnabled)
setPrimaryVarsMeaningGas(GasMeaning::Sg);
// use water pressure?
}
return changed;
}
switch(primaryVarsMeaningWater()) {
case WaterMeaning::Sw:
{
// if water phase disappeares: Sw (water saturation) -> Rvw (fraction of water in gas phase)
if(sw < -eps && sg > eps && FluidSystem::enableVaporizedWater()) {
Scalar p = (*this)[pressureSwitchIdx];
if(primaryVarsMeaningPressure() == PressureMeaning::Po) {
std::array<Scalar, numPhases> pC = { 0.0 };
const MaterialLawParams& matParams = problem.materialLawParams(globalDofIdx);
Scalar so = 1.0 - sg - solventSaturation_();
computeCapillaryPressures_(pC, so, sg + solventSaturation_(), /*sw=*/ 0.0, matParams);
p += (pC[gasPhaseIdx] - pC[oilPhaseIdx]);
}
Scalar rvwSat = FluidSystem::gasPvt().saturatedWaterVaporizationFactor(pvtRegionIdx_,
T,
p,
saltConcentration);
setPrimaryVarsMeaningWater(WaterMeaning::Rvw);
(*this)[Indices::waterSwitchIdx] = rvwSat; //primary variable becomes Rvw
changed = true;
break;
}
// if gas phase disappeares: Sw (water saturation) -> Rsw (fraction of gas in water phase)
// and Pg (gas pressure) -> Pw ( water pressure)
if(sg < -eps && sw > eps && FluidSystem::enableDissolvedGasInWater()) {
const Scalar& pg = (*this)[pressureSwitchIdx];
assert(primaryVarsMeaningPressure() == PressureMeaning::Pg);
std::array<Scalar, numPhases> pC = { 0.0 };
const MaterialLawParams& matParams = problem.materialLawParams(globalDofIdx);
Scalar so = 1.0 - sw - solventSaturation_();
computeCapillaryPressures_(pC, so, /*sg=*/ 0.0, sw, matParams);
Scalar pw = pg + (pC[waterPhaseIdx] - pC[gasPhaseIdx]);
Scalar rswSat = FluidSystem::waterPvt().saturatedGasDissolutionFactor(pvtRegionIdx_,
T,
pw,
saltConcentration);
setPrimaryVarsMeaningWater(WaterMeaning::Rsw);
(*this)[Indices::waterSwitchIdx] = rswSat; //primary variable becomes Rsw
setPrimaryVarsMeaningPressure(PressureMeaning::Pw);
(*this)[Indices::pressureSwitchIdx] = pw;
changed = true;
break;
}
break;
}
case WaterMeaning::Rvw:
{
const Scalar& rvw = (*this)[waterSwitchIdx];
Scalar p = (*this)[pressureSwitchIdx];
if(primaryVarsMeaningPressure() == PressureMeaning::Po) {
std::array<Scalar, numPhases> pC = { 0.0 };
const MaterialLawParams& matParams = problem.materialLawParams(globalDofIdx);
Scalar so = 1.0 - sg - solventSaturation_();
computeCapillaryPressures_(pC, so, sg + solventSaturation_(), /*sw=*/ 0.0, matParams);
p += (pC[gasPhaseIdx] - pC[oilPhaseIdx]);
}
Scalar rvwSat = FluidSystem::gasPvt().saturatedWaterVaporizationFactor(pvtRegionIdx_,
T,
p,
saltConcentration);
// if water phase appears: Rvw (fraction of water in gas phase) -> Sw (water saturation)
if (rvw > rvwSat*(1.0 + eps)) {
setPrimaryVarsMeaningWater(WaterMeaning::Sw);
(*this)[Indices::waterSwitchIdx] = 0.0; // water saturation
changed = true;
}
break;
}
case WaterMeaning::Rsw:
{
// Gas phase not present. The hydrocarbon gas phase
// appears as soon as more of the gas component is present in the water phase
// than what saturated water can hold.
const Scalar& pw = (*this)[pressureSwitchIdx];
assert(primaryVarsMeaningPressure() == PressureMeaning::Pw);
Scalar rswSat = FluidSystem::waterPvt().saturatedGasDissolutionFactor(pvtRegionIdx_,
T,
pw,
saltConcentration);
Scalar rsw = (*this)[Indices::waterSwitchIdx];
if (rsw > rswSat) {
// the gas phase appears, i.e., switch the primary variables to WaterMeaning::Sw
setPrimaryVarsMeaningWater(WaterMeaning::Sw);
(*this)[Indices::waterSwitchIdx] = 1.0; // hydrocarbon water saturation
setPrimaryVarsMeaningPressure(PressureMeaning::Pg);
std::array<Scalar, numPhases> pC = { 0.0 };
const MaterialLawParams& matParams = problem.materialLawParams(globalDofIdx);
computeCapillaryPressures_(pC, /*so=*/ 0.0, /*sg=*/ 0.0, /*sw=*/ 1.0, matParams);
Scalar pg = pw + (pC[gasPhaseIdx] - pC[waterPhaseIdx]);
(*this)[Indices::pressureSwitchIdx] = pg;
changed = true;
}
break;
}
case WaterMeaning::Disabled:
{
break;
}
default:
throw std::logic_error("No valid primary variable selected for water");
}
// if gas phase disappeares: Sg (gas saturation) -> Rs (fraction of gas in oil phase)
// if oil phase disappeares: Sg (gas saturation) -> Rv (fraction of oil in gas phase)
// Po (oil pressure ) -> Pg (gas pressure)
// if gas phase appears: Rs (fraction of gas in oil phase) -> Sg (gas saturation)
// if oil phase appears: Rv (fraction of oil in gas phase) -> Sg (gas saturation)
// Pg (gas pressure ) -> Po (oil pressure)
switch(primaryVarsMeaningGas()) {
case GasMeaning::Sg:
{
Scalar s = 1.0 - sw - solventSaturation_();
if (sg < -eps && s > 0.0 && FluidSystem::enableDissolvedGas()) {
const Scalar& po = (*this)[pressureSwitchIdx];
setPrimaryVarsMeaningGas(GasMeaning::Rs);
Scalar soMax = std::max(s, problem.maxOilSaturation(globalDofIdx));
Scalar rsMax = problem.maxGasDissolutionFactor(/*timeIdx=*/0, globalDofIdx);
Scalar rsSat = enableExtbo ? ExtboModule::rs(pvtRegionIndex(),
po,
zFraction_())
: FluidSystem::oilPvt().saturatedGasDissolutionFactor(pvtRegionIdx_,
T,
po,
s,
soMax);
(*this)[Indices::compositionSwitchIdx] = std::min(rsMax, rsSat);
changed = true;
}
Scalar so = 1.0 - sw - solventSaturation_() - sg;
if (so < -eps && sg > 0.0 && FluidSystem::enableVaporizedOil()) {
// the oil phase disappeared and some hydrocarbon gas phase is still
// present, i.e., switch the primary variables to GasMeaning::Rv.
// we only have the oil pressure readily available, but we need the gas
// pressure, i.e. we must determine capillary pressure
const Scalar& po = (*this)[pressureSwitchIdx];
std::array<Scalar, numPhases> pC = { 0.0 };
const MaterialLawParams& matParams = problem.materialLawParams(globalDofIdx);
computeCapillaryPressures_(pC, /*so=*/0.0, sg + solventSaturation_(), sw, matParams);
Scalar pg = po + (pC[gasPhaseIdx] - pC[oilPhaseIdx]);
// we start at the GasMeaning::Rv value that corresponds to that of oil-saturated
// hydrocarbon gas
setPrimaryVarsMeaningPressure(PressureMeaning::Pg);
(*this)[Indices::pressureSwitchIdx] = pg;
Scalar soMax = problem.maxOilSaturation(globalDofIdx);
Scalar rvMax = problem.maxOilVaporizationFactor(/*timeIdx=*/0, globalDofIdx);
Scalar rvSat = enableExtbo ? ExtboModule::rv(pvtRegionIndex(),
pg,
zFraction_())
: FluidSystem::gasPvt().saturatedOilVaporizationFactor(pvtRegionIdx_,
T,
pg,
Scalar(0),
soMax);
setPrimaryVarsMeaningGas(GasMeaning::Rv);
(*this)[Indices::compositionSwitchIdx] = std::min(rvMax, rvSat);
changed = true;
}
break;
}
case GasMeaning::Rs:
{
// Gas phase not present. The hydrocarbon gas phase
// appears as soon as more of the gas component is present in the oil phase
// than what saturated oil can hold.
const Scalar& po = (*this)[pressureSwitchIdx];
Scalar so = 1.0 - sw - solventSaturation_();
Scalar soMax = std::max(so, problem.maxOilSaturation(globalDofIdx));
Scalar rsMax = problem.maxGasDissolutionFactor(/*timeIdx=*/0, globalDofIdx);
Scalar rsSat = enableExtbo ? ExtboModule::rs(pvtRegionIndex(),
po,
zFraction_())
: FluidSystem::oilPvt().saturatedGasDissolutionFactor(pvtRegionIdx_,
T,
po,
so,
soMax);
Scalar rs = (*this)[Indices::compositionSwitchIdx];
if (rs > std::min(rsMax, rsSat*(1.0 + eps))) {
// the gas phase appears, i.e., switch the primary variables to GasMeaning::Sg
setPrimaryVarsMeaningGas(GasMeaning::Sg);
(*this)[Indices::compositionSwitchIdx] = 0.0; // hydrocarbon gas saturation
changed = true;
}
break;
}
case GasMeaning::Rv:
{
// The oil phase appears as
// soon as more of the oil component is present in the hydrocarbon gas phase
// than what saturated gas contains. Note that we use the blackoil specific
// low-level PVT objects here for performance reasons.
const Scalar& pg = (*this)[pressureSwitchIdx];
Scalar soMax = problem.maxOilSaturation(globalDofIdx);
Scalar rvMax = problem.maxOilVaporizationFactor(/*timeIdx=*/0, globalDofIdx);
Scalar rvSat = enableExtbo ? ExtboModule::rv(pvtRegionIndex(),
pg,
zFraction_())
: FluidSystem::gasPvt().saturatedOilVaporizationFactor(pvtRegionIdx_,
T,
pg,
/*so=*/Scalar(0.0),
soMax);
Scalar rv = (*this)[Indices::compositionSwitchIdx];
if (rv > std::min(rvMax, rvSat*(1.0 + eps))) {
// switch to phase equilibrium mode because the oil phase appears. here
// we also need the capillary pressures to calculate the oil phase
// pressure using the gas phase pressure
Scalar sg2 = 1.0 - sw - solventSaturation_();
std::array<Scalar, numPhases> pC = { 0.0 };
const MaterialLawParams& matParams = problem.materialLawParams(globalDofIdx);
computeCapillaryPressures_(pC,
/*so=*/0.0,
/*sg=*/sg2 + solventSaturation_(),
sw,
matParams);
Scalar po = pg + (pC[oilPhaseIdx] - pC[gasPhaseIdx]);
setPrimaryVarsMeaningGas(GasMeaning::Sg);
setPrimaryVarsMeaningPressure(PressureMeaning::Po);
(*this)[Indices::pressureSwitchIdx] = po;
(*this)[Indices::compositionSwitchIdx] = sg2; // hydrocarbon gas saturation
changed = true;
}
break;
}
case GasMeaning::Disabled:
{
break;
}
default:
throw std::logic_error("No valid primary variable selected for water");
}
return changed;
}
bool chopAndNormalizeSaturations(){
if (primaryVarsMeaningWater() == WaterMeaning::Disabled &&
primaryVarsMeaningGas() == GasMeaning::Disabled){
return false;
}
Scalar sw = 0.0;
if (primaryVarsMeaningWater() == WaterMeaning::Sw)
sw = (*this)[Indices::waterSwitchIdx];
Scalar sg = 0.0;
if (primaryVarsMeaningGas() == GasMeaning::Sg)
sg = (*this)[Indices::compositionSwitchIdx];
Scalar ssol = 0.0;
if constexpr (enableSolvent)
ssol =(*this) [Indices::solventSaturationIdx];
Scalar so = 1.0 - sw - sg - ssol;
sw = std::min(std::max(sw,0.0),1.0);
so = std::min(std::max(so,0.0),1.0);
sg = std::min(std::max(sg,0.0),1.0);
ssol = std::min(std::max(ssol,0.0),1.0);
Scalar st = sw + so + sg + ssol;
sw = sw/st;
sg = sg/st;
ssol = ssol/st;
assert(st>0.5);
if (primaryVarsMeaningWater() == WaterMeaning::Sw)
(*this)[Indices::waterSwitchIdx] = sw;
if (primaryVarsMeaningGas() == GasMeaning::Sg)
(*this)[Indices::compositionSwitchIdx] = sg;
if constexpr (enableSolvent)
(*this) [Indices::solventSaturationIdx] = ssol;
return !(st==1);
}
BlackOilPrimaryVariables& operator=(const BlackOilPrimaryVariables& other) = default;
BlackOilPrimaryVariables& operator=(Scalar value)
{
for (unsigned i = 0; i < numEq; ++i)
(*this)[i] = value;
return *this;
}
/*!
* \brief Instruct valgrind to check the definedness of all attributes of this class.
*
* We cannot simply check the definedness of the whole object because there might be
* "alignedness holes" in the memory layout which are caused by the pseudo primary
* variables.
*/
void checkDefined() const
{
#ifndef NDEBUG
// check the "real" primary variables
for (unsigned i = 0; i < this->size(); ++i)
Valgrind::CheckDefined((*this)[i]);
// check the "pseudo" primary variables
Valgrind::CheckDefined(primaryVarsMeaningWater_);
Valgrind::CheckDefined(primaryVarsMeaningGas_);
Valgrind::CheckDefined(primaryVarsMeaningPressure_);
Valgrind::CheckDefined(primaryVarsMeaningBrine_);
Valgrind::CheckDefined(pvtRegionIdx_);
#endif // NDEBUG
}
template<class Serializer>
void serializeOp(Serializer& serializer)
{
using FV = Dune::FieldVector<double,getPropValue<TypeTag, Properties::NumEq>()>;
serializer(static_cast<FV&>(*this));
serializer(primaryVarsMeaningWater_);
serializer(primaryVarsMeaningPressure_);
serializer(primaryVarsMeaningGas_);
serializer(primaryVarsMeaningBrine_);
serializer(pvtRegionIdx_);
}
bool operator==(const BlackOilPrimaryVariables& rhs) const
{
return static_cast<const FvBasePrimaryVariables<TypeTag>&>(*this) == rhs &&
this->primaryVarsMeaningWater_ == rhs.primaryVarsMeaningWater_ &&
this->primaryVarsMeaningPressure_ == rhs.primaryVarsMeaningPressure_ &&
this->primaryVarsMeaningGas_ == rhs.primaryVarsMeaningGas_ &&
this->primaryVarsMeaningBrine_ == rhs.primaryVarsMeaningBrine_ &&
this->pvtRegionIdx_ == rhs.pvtRegionIdx_;
}
private:
Implementation& asImp_()
{ return *static_cast<Implementation*>(this); }
const Implementation& asImp_() const
{ return *static_cast<const Implementation*>(this); }
Scalar solventSaturation_() const
{
if constexpr (enableSolvent)
return (*this)[Indices::solventSaturationIdx];
else
return 0.0;
}
Scalar zFraction_() const
{
if constexpr (enableExtbo)
return (*this)[Indices::zFractionIdx];
else
return 0.0;
}
Scalar polymerConcentration_() const
{
if constexpr (enablePolymer)
return (*this)[Indices::polymerConcentrationIdx];
else
return 0.0;
}
Scalar foamConcentration_() const
{
if constexpr (enableFoam)
return (*this)[Indices::foamConcentrationIdx];
else
return 0.0;
}
Scalar saltConcentration_() const
{
if constexpr (enableBrine)
return (*this)[Indices::saltConcentrationIdx];
else
return 0.0;
}
Scalar temperature_(const Problem& problem, unsigned globalDofIdx) const
{
if constexpr (enableEnergy)
return (*this)[Indices::temperatureIdx];
else if constexpr( enableTemperature)
return problem.temperature(globalDofIdx, /*timeIdx*/ 0);
else
return FluidSystem::reservoirTemperature();
}
Scalar microbialConcentration_() const
{
if constexpr (enableMICP)
return (*this)[Indices::microbialConcentrationIdx];
else
return 0.0;
}
Scalar oxygenConcentration_() const
{
if constexpr (enableMICP)
return (*this)[Indices::oxygenConcentrationIdx];
else
return 0.0;
}
Scalar ureaConcentration_() const
{
if constexpr (enableMICP)
return (*this)[Indices::ureaConcentrationIdx];
else
return 0.0;
}
Scalar biofilmConcentration_() const
{
if constexpr (enableMICP)
return (*this)[Indices::biofilmConcentrationIdx];
else
return 0.0;
}
Scalar calciteConcentration_() const
{
if constexpr (enableMICP)
return (*this)[Indices::calciteConcentrationIdx];
else
return 0.0;
}
template <class Container>
void computeCapillaryPressures_(Container& result,
Scalar so,
Scalar sg,
Scalar sw,
const MaterialLawParams& matParams) const
{
using SatOnlyFluidState = SimpleModularFluidState<Scalar,
numPhases,
numComponents,
FluidSystem,
/*storePressure=*/false,
/*storeTemperature=*/false,
/*storeComposition=*/false,
/*storeFugacity=*/false,
/*storeSaturation=*/true,
/*storeDensity=*/false,
/*storeViscosity=*/false,
/*storeEnthalpy=*/false>;
SatOnlyFluidState fluidState;
fluidState.setSaturation(waterPhaseIdx, sw);
fluidState.setSaturation(oilPhaseIdx, so);
fluidState.setSaturation(gasPhaseIdx, sg);
MaterialLaw::capillaryPressures(result, matParams, fluidState);
}
WaterMeaning primaryVarsMeaningWater_;
PressureMeaning primaryVarsMeaningPressure_;
GasMeaning primaryVarsMeaningGas_;
BrineMeaning primaryVarsMeaningBrine_;
unsigned short pvtRegionIdx_;
};
} // namespace Opm
#endif
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