opm-simulators/opm/models/blackoil/blackoilnewtonmethod.hh
2022-08-02 11:24:40 +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::BlackOilNewtonMethod
*/
#ifndef EWOMS_BLACK_OIL_NEWTON_METHOD_HH
#define EWOMS_BLACK_OIL_NEWTON_METHOD_HH
#include "blackoilproperties.hh"
#include <opm/models/utils/signum.hh>
#include <opm/models/nonlinear/newtonmethod.hh>
#include "blackoilmicpmodules.hh"
namespace Opm::Properties {
template <class TypeTag, class MyTypeTag>
struct DiscNewtonMethod;
template<class TypeTag, class MyTypeTag>
struct DpMaxRel { using type = UndefinedProperty; };
template<class TypeTag, class MyTypeTag>
struct DsMax { using type = UndefinedProperty; };
template<class TypeTag, class MyTypeTag>
struct PriVarOscilationThreshold { using type = UndefinedProperty; };
template<class TypeTag, class MyTypeTag>
struct ProjectSaturations { using type = UndefinedProperty; };
template<class TypeTag, class MyTypeTag>
struct MaxTemperatureChange { using type = UndefinedProperty; };
template<class TypeTag, class MyTypeTag>
struct TemperatureMax { using type = UndefinedProperty; };
template<class TypeTag, class MyTypeTag>
struct TemperatureMin { using type = UndefinedProperty; };
template<class TypeTag>
struct DpMaxRel<TypeTag, TTag::NewtonMethod>
{
using type = GetPropType<TypeTag, Scalar>;
static constexpr type value = 0.3;
};
template<class TypeTag>
struct DsMax<TypeTag, TTag::NewtonMethod>
{
using type = GetPropType<TypeTag, Scalar>;
static constexpr type value = 0.2;
};
template<class TypeTag>
struct PriVarOscilationThreshold<TypeTag, TTag::NewtonMethod>
{
using type = GetPropType<TypeTag, Scalar>;
static constexpr type value = 1e-5;
};
template<class TypeTag>
struct ProjectSaturations<TypeTag, TTag::NewtonMethod> { static constexpr bool value = false; };
template<class TypeTag>
struct MaxTemperatureChange<TypeTag, TTag::NewtonMethod>
{
using type = GetPropType<TypeTag, Scalar>;
static constexpr type value = 5; //Kelvin
};
template<class TypeTag>
struct TemperatureMax<TypeTag, TTag::NewtonMethod>
{
using type = GetPropType<TypeTag, Scalar>;
static constexpr type value = 400; //Kelvin
};
template<class TypeTag>
struct TemperatureMin<TypeTag, TTag::NewtonMethod>
{
using type = GetPropType<TypeTag, Scalar>;
static constexpr type value = 280; //Kelvin
};
} // namespace Opm::Properties
namespace Opm {
/*!
* \ingroup BlackOilModel
*
* \brief A newton solver which is specific to the black oil model.
*/
template <class TypeTag>
class BlackOilNewtonMethod : public GetPropType<TypeTag, Properties::DiscNewtonMethod>
{
using ParentType = GetPropType<TypeTag, Properties::DiscNewtonMethod>;
using Simulator = GetPropType<TypeTag, Properties::Simulator>;
using SolutionVector = GetPropType<TypeTag, Properties::SolutionVector>;
using GlobalEqVector = GetPropType<TypeTag, Properties::GlobalEqVector>;
using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
using EqVector = GetPropType<TypeTag, Properties::EqVector>;
using Indices = GetPropType<TypeTag, Properties::Indices>;
using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
using Scalar = GetPropType<TypeTag, Properties::Scalar>;
using Linearizer = GetPropType<TypeTag, Properties::Linearizer>;
using MICPModule = BlackOilMICPModule<TypeTag>;
static const unsigned numEq = getPropValue<TypeTag, Properties::NumEq>();
static constexpr bool enableSaltPrecipitation = getPropValue<TypeTag, Properties::EnableSaltPrecipitation>();
public:
BlackOilNewtonMethod(Simulator& simulator) : ParentType(simulator)
{
priVarOscilationThreshold_ = EWOMS_GET_PARAM(TypeTag, Scalar, PriVarOscilationThreshold);
dpMaxRel_ = EWOMS_GET_PARAM(TypeTag, Scalar, DpMaxRel);
dsMax_ = EWOMS_GET_PARAM(TypeTag, Scalar, DsMax);
projectSaturations_ = EWOMS_GET_PARAM(TypeTag, bool, ProjectSaturations);
maxTempChange_ = EWOMS_GET_PARAM(TypeTag, Scalar, MaxTemperatureChange);
tempMax_ = EWOMS_GET_PARAM(TypeTag, Scalar, TemperatureMax);
tempMin_ = EWOMS_GET_PARAM(TypeTag, Scalar, TemperatureMin);
}
/*!
* \copydoc NewtonMethod::finishInit()
*/
void finishInit()
{
ParentType::finishInit();
wasSwitched_.resize(this->model().numTotalDof());
std::fill(wasSwitched_.begin(), wasSwitched_.end(), false);
}
/*!
* \brief Register all run-time parameters for the immiscible model.
*/
static void registerParameters()
{
ParentType::registerParameters();
EWOMS_REGISTER_PARAM(TypeTag, Scalar, DpMaxRel, "Maximum relative change of pressure in a single iteration");
EWOMS_REGISTER_PARAM(TypeTag, Scalar, DsMax, "Maximum absolute change of any saturation in a single iteration");
EWOMS_REGISTER_PARAM(TypeTag, Scalar, PriVarOscilationThreshold,
"The threshold value for the primary variable switching conditions after its meaning has switched to hinder oscilations");
EWOMS_REGISTER_PARAM(TypeTag,bool, ProjectSaturations, "Option for doing saturation projection");
EWOMS_REGISTER_PARAM(TypeTag, Scalar, MaxTemperatureChange, "Maximum absolute change of temperature in a single iteration");
EWOMS_REGISTER_PARAM(TypeTag, Scalar, TemperatureMax, "Maximum absolute temperature");
EWOMS_REGISTER_PARAM(TypeTag, Scalar, TemperatureMin, "Minimum absolute temperature");
}
/*!
* \brief Returns the number of degrees of freedom for which the
* interpretation has changed for the most recent iteration.
*/
unsigned numPriVarsSwitched() const
{ return numPriVarsSwitched_; }
protected:
friend NewtonMethod<TypeTag>;
friend ParentType;
/*!
* \copydoc FvBaseNewtonMethod::beginIteration_
*/
void beginIteration_()
{
numPriVarsSwitched_ = 0;
ParentType::beginIteration_();
}
/*!
* \copydoc FvBaseNewtonMethod::endIteration_
*/
void endIteration_(SolutionVector& uCurrentIter,
const SolutionVector& uLastIter)
{
#if HAVE_MPI
// in the MPI enabled case we need to add up the number of DOF
// for which the interpretation changed over all processes.
int localSwitched = numPriVarsSwitched_;
MPI_Allreduce(&localSwitched,
&numPriVarsSwitched_,
/*num=*/1,
MPI_INT,
MPI_SUM,
MPI_COMM_WORLD);
#endif // HAVE_MPI
this->simulator_.model().newtonMethod().endIterMsg()
<< ", num switched=" << numPriVarsSwitched_;
ParentType::endIteration_(uCurrentIter, uLastIter);
}
public:
void update_(SolutionVector& nextSolution,
const SolutionVector& currentSolution,
const GlobalEqVector& solutionUpdate,
const GlobalEqVector& currentResidual)
{
const auto& comm = this->simulator_.gridView().comm();
int succeeded;
try {
ParentType::update_(nextSolution,
currentSolution,
solutionUpdate,
currentResidual);
succeeded = 1;
}
catch (...) {
std::cout << "Newton update threw an exception on rank "
<< comm.rank() << "\n";
succeeded = 0;
}
succeeded = comm.min(succeeded);
if (!succeeded)
throw NumericalIssue("A process did not succeed in adapting the primary variables");
numPriVarsSwitched_ = comm.sum(numPriVarsSwitched_);
}
protected:
/*!
* \copydoc FvBaseNewtonMethod::updatePrimaryVariables_
*/
void updatePrimaryVariables_(unsigned globalDofIdx,
PrimaryVariables& nextValue,
const PrimaryVariables& currentValue,
const EqVector& update,
const EqVector& currentResidual)
{
static constexpr bool enableSolvent = Indices::solventSaturationIdx >= 0;
static constexpr bool enableExtbo = Indices::zFractionIdx >= 0;
static constexpr bool enablePolymer = Indices::polymerConcentrationIdx >= 0;
static constexpr bool enablePolymerWeight = Indices::polymerMoleWeightIdx >= 0;
static constexpr bool enableEnergy = Indices::temperatureIdx >= 0;
static constexpr bool enableFoam = Indices::foamConcentrationIdx >= 0;
static constexpr bool enableBrine = Indices::saltConcentrationIdx >= 0;
static constexpr bool compositionSwitchEnabled = Indices::compositionSwitchIdx >= 0;
static constexpr bool enableMICP = Indices::microbialConcentrationIdx >= 0;
currentValue.checkDefined();
Valgrind::CheckDefined(update);
Valgrind::CheckDefined(currentResidual);
// saturation delta for each phase
Scalar deltaSw = 0.0;
Scalar deltaSo = 0.0;
Scalar deltaSg = 0.0;
Scalar deltaSs = 0.0;
if (Indices::waterEnabled && FluidSystem::numActivePhases() > 1
&& currentValue.primaryVarsMeaning() != PrimaryVariables::Rvw_po_Sg
&& currentValue.primaryVarsMeaning() != PrimaryVariables::Rvw_pg_Rv) {
deltaSw = update[Indices::waterSaturationIdx];
deltaSo = -deltaSw;
}
if (compositionSwitchEnabled && (currentValue.primaryVarsMeaning() == PrimaryVariables::Sw_po_Sg
|| currentValue.primaryVarsMeaning() == PrimaryVariables::Rvw_po_Sg)) {
deltaSg = update[Indices::compositionSwitchIdx];
deltaSo -= deltaSg;
}
if (enableSolvent) {
deltaSs = update[Indices::solventSaturationIdx];
deltaSo -= deltaSs;
}
// maximum saturation delta
Scalar maxSatDelta = std::max(std::abs(deltaSg), std::abs(deltaSo));
maxSatDelta = std::max(maxSatDelta, std::abs(deltaSw));
maxSatDelta = std::max(maxSatDelta, std::abs(deltaSs));
// scaling factor for saturation deltas to make sure that none of them exceeds
// the specified threshold value.
Scalar satAlpha = 1.0;
if (maxSatDelta > dsMax_)
satAlpha = dsMax_/maxSatDelta;
for (int pvIdx = 0; pvIdx < int(numEq); ++pvIdx) {
// calculate the update of the current primary variable. For the black-oil
// model we limit the pressure delta relative to the pressure's current
// absolute value (Default: 30%) and saturation deltas to an absolute change
// (Default: 20%). Further, we ensure that the R factors, solvent
// "saturation" and polymer concentration do not become negative after the
// update.
Scalar delta = update[pvIdx];
// limit pressure delta
if (pvIdx == Indices::pressureSwitchIdx) {
if (std::abs(delta) > dpMaxRel_*currentValue[pvIdx])
delta = signum(delta)*dpMaxRel_*currentValue[pvIdx];
}
// water saturation delta
else if (pvIdx == Indices::waterSaturationIdx)
if (currentValue.primaryVarsMeaning() != PrimaryVariables::Rvw_po_Sg
&& currentValue.primaryVarsMeaning() != PrimaryVariables::Rvw_pg_Rv)
delta *= satAlpha;
else{
//Ensure Rvw factor does not become negative
if (delta > currentValue[ Indices::waterSaturationIdx])
delta = currentValue[ Indices::waterSaturationIdx];
}
else if (pvIdx == Indices::compositionSwitchIdx) {
// the switching primary variable for composition is tricky because the
// "reasonable" value ranges it exhibits vary widely depending on its
// interpretation since it can represent Sg, Rs or Rv. For now, we only
// limit saturation deltas and ensure that the R factors do not become
// negative.
if (currentValue.primaryVarsMeaning() == PrimaryVariables::Sw_po_Sg
|| currentValue.primaryVarsMeaning() == PrimaryVariables::Rvw_po_Sg)
delta *= satAlpha;
else {
if (delta > currentValue[Indices::compositionSwitchIdx])
delta = currentValue[Indices::compositionSwitchIdx];
}
}
else if (enableSolvent && pvIdx == Indices::solventSaturationIdx)
// solvent saturation updates are also subject to the Appleyard chop
delta *= satAlpha;
else if (enableExtbo && pvIdx == Indices::zFractionIdx) {
// z fraction updates are also subject to the Appleyard chop
if (delta > currentValue[Indices::zFractionIdx])
delta = currentValue[Indices::zFractionIdx];
if (delta < currentValue[Indices::zFractionIdx]-1.0)
delta = currentValue[Indices::zFractionIdx]-1.0;
}
else if (enablePolymerWeight && pvIdx == Indices::polymerMoleWeightIdx) {
const double sign = delta >= 0. ? 1. : -1.;
// maximum change of polymer molecular weight, the unit is MDa.
// applying this limit to stabilize the simulation. The value itself is still experimental.
const double maxMolarWeightChange = 100.0;
delta = sign * std::min(std::abs(delta), maxMolarWeightChange);
delta *= satAlpha;
}
else if (enableEnergy && pvIdx == Indices::temperatureIdx) {
const double sign = delta >= 0. ? 1. : -1.;
delta = sign * std::min(std::abs(delta), maxTempChange_);
}
else if (enableBrine && pvIdx == Indices::saltConcentrationIdx &&
enableSaltPrecipitation &&
currentValue.primaryVarsMeaningBrine() == PrimaryVariables::Sp) {
const double maxSaltSaturationChange = 0.1;
const double sign = delta >= 0. ? 1. : -1.;
delta = sign * std::min(std::abs(delta), maxSaltSaturationChange);
}
// do the actual update
nextValue[pvIdx] = currentValue[pvIdx] - delta;
// keep the solvent saturation between 0 and 1
if (enableSolvent && pvIdx == Indices::solventSaturationIdx)
nextValue[pvIdx] = std::min(std::max(nextValue[pvIdx], 0.0), 1.0);
// keep the z fraction between 0 and 1
if (enableExtbo && pvIdx == Indices::zFractionIdx)
nextValue[pvIdx] = std::min(std::max(nextValue[pvIdx], 0.0), 1.0);
// keep the polymer concentration above 0
if (enablePolymer && pvIdx == Indices::polymerConcentrationIdx)
nextValue[pvIdx] = std::max(nextValue[pvIdx], 0.0);
if (enablePolymerWeight && pvIdx == Indices::polymerMoleWeightIdx) {
nextValue[pvIdx] = std::max(nextValue[pvIdx], 0.0);
const double polymerConcentration = nextValue[Indices::polymerConcentrationIdx];
if (polymerConcentration < 1.e-10)
nextValue[pvIdx] = 0.0;
}
// keep the foam concentration above 0
if (enableFoam && pvIdx == Indices::foamConcentrationIdx)
nextValue[pvIdx] = std::max(nextValue[pvIdx], 0.0);
if (enableBrine && pvIdx == Indices::saltConcentrationIdx) {
// keep the salt concentration above 0
if (!enableSaltPrecipitation || (enableSaltPrecipitation && currentValue.primaryVarsMeaningBrine() == PrimaryVariables::Cs))
nextValue[pvIdx] = std::max(nextValue[pvIdx], 0.0);
// keep the salt saturation below upperlimit
if ((enableSaltPrecipitation && currentValue.primaryVarsMeaningBrine() == PrimaryVariables::Sp))
nextValue[pvIdx] = std::min(nextValue[pvIdx], 0.9);
}
// keep the temperature within given values
if (enableEnergy && pvIdx == Indices::temperatureIdx)
nextValue[pvIdx] = std::clamp(nextValue[pvIdx], tempMin_, tempMax_);
// Limit the variables to [0, cmax] values to improve the convergence.
// For the microorganisms we set this value equal to the biomass density value.
// For the oxygen and urea we set this value to the maximum injected
// concentration (the urea concentration has been scaled by 10). For
// the biofilm and calcite, we set this value equal to the porosity minus the clogging tolerance.
if (enableMICP && pvIdx == Indices::microbialConcentrationIdx)
nextValue[pvIdx] = std::clamp(nextValue[pvIdx], 0.0, MICPModule::MICPparaDensityBiofilm());
if (enableMICP && pvIdx == Indices::oxygenConcentrationIdx)
nextValue[pvIdx] = std::clamp(nextValue[pvIdx], 0.0, MICPModule::MICPparaMaximumOxygenConcentration());
if (enableMICP && pvIdx == Indices::ureaConcentrationIdx)
nextValue[pvIdx] = std::clamp(nextValue[pvIdx], 0.0, MICPModule::MICPparaMaximumUreaConcentration());
if (enableMICP && pvIdx == Indices::biofilmConcentrationIdx)
nextValue[pvIdx] = std::clamp(nextValue[pvIdx], 0.0, MICPModule::phi()[globalDofIdx] - MICPModule::MICPparaToleranceBeforeClogging());
if (enableMICP && pvIdx == Indices::calciteConcentrationIdx)
nextValue[pvIdx] = std::clamp(nextValue[pvIdx], 0.0, MICPModule::phi()[globalDofIdx] - MICPModule::MICPparaToleranceBeforeClogging());
}
// switch the new primary variables to something which is physically meaningful.
// use a threshold value after a switch to make it harder to switch back
// immediately.
if (wasSwitched_[globalDofIdx])
wasSwitched_[globalDofIdx] = nextValue.adaptPrimaryVariables(this->problem(), globalDofIdx, priVarOscilationThreshold_);
else
wasSwitched_[globalDofIdx] = nextValue.adaptPrimaryVariables(this->problem(), globalDofIdx);
if (wasSwitched_[globalDofIdx])
++ numPriVarsSwitched_;
if(projectSaturations_){
nextValue.chopAndNormalizeSaturations();
}
nextValue.checkDefined();
}
private:
int numPriVarsSwitched_;
Scalar priVarOscilationThreshold_;
Scalar dpMaxRel_;
Scalar dsMax_;
bool projectSaturations_;
Scalar maxTempChange_;
Scalar tempMax_;
Scalar tempMin_;
// keep track of cells where the primary variable meaning has changed
// to detect and hinder oscillations
std::vector<bool> wasSwitched_;
};
} // namespace Opm
#endif