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added fluxmodule refactured
This commit is contained in:
hnil
Atgeirr Flø Rasmussen
parent
93ce28e9a2
commit
abee2f9f81
551
ebos/eclfluxmoduletpfa.hh
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551
ebos/eclfluxmoduletpfa.hh
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@ -0,0 +1,551 @@
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// -*- 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 This file contains the flux module which is used for ECL problems
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*
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* This approach to fluxes is very specific to two-point flux approximation and applies
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* what the Eclipse Technical Description calls the "NEWTRAN" transmissibility approach.
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*/
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#ifndef EWOMS_ECL_FLUX_MODULE_HH
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#define EWOMS_ECL_FLUX_MODULE_HH
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#include <opm/models/discretization/common/fvbaseproperties.hh>
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#include <opm/models/blackoil/blackoilproperties.hh>
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#include <opm/models/utils/signum.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 <dune/common/fmatrix.hh>
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namespace Opm {
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template <class TypeTag>
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class EclTransIntensiveQuantities;
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template <class TypeTag>
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class EclTransExtensiveQuantities;
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template <class TypeTag>
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class EclTransBaseProblem;
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/*!
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* \ingroup EclBlackOilSimulator
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* \brief Specifies a flux module which uses ECL transmissibilities.
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*/
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template <class TypeTag>
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struct EclTransFluxModule
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{
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typedef EclTransIntensiveQuantities<TypeTag> FluxIntensiveQuantities;
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typedef EclTransExtensiveQuantities<TypeTag> FluxExtensiveQuantities;
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typedef EclTransBaseProblem<TypeTag> FluxBaseProblem;
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/*!
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* \brief Register all run-time parameters for the flux module.
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*/
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static void registerParameters()
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{ }
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};
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/*!
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* \ingroup EclBlackOilSimulator
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* \brief Provides the defaults for the parameters required by the
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* transmissibility based volume flux calculation.
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*/
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template <class TypeTag>
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class EclTransBaseProblem
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{ };
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/*!
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* \ingroup EclBlackOilSimulator
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* \brief Provides the intensive quantities for the ECL flux module
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*/
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template <class TypeTag>
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class EclTransIntensiveQuantities
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{
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using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
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protected:
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void update_(const ElementContext&, unsigned, unsigned)
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{ }
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};
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/*!
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* \ingroup EclBlackOilSimulator
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* \brief Provides the ECL flux module
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*/
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template <class TypeTag>
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class EclTransExtensiveQuantities
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{
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using Implementation = GetPropType<TypeTag, Properties::ExtensiveQuantities>;
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using IntensiveQuantities = GetPropType<TypeTag, Properties::IntensiveQuantities>;
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using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
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using ElementContext = GetPropType<TypeTag, Properties::ElementContext>;
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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 GridView = GetPropType<TypeTag, Properties::GridView>;
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using MaterialLaw = GetPropType<TypeTag, Properties::MaterialLaw>;
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enum { dimWorld = GridView::dimensionworld };
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enum { gasPhaseIdx = FluidSystem::gasPhaseIdx };
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enum { numPhases = FluidSystem::numPhases };
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enum { enableSolvent = getPropValue<TypeTag, Properties::EnableSolvent>() };
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enum { enableExtbo = getPropValue<TypeTag, Properties::EnableExtbo>() };
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enum { enableEnergy = getPropValue<TypeTag, Properties::EnableEnergy>() };
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typedef MathToolbox<Evaluation> Toolbox;
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typedef Dune::FieldVector<Scalar, dimWorld> DimVector;
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typedef Dune::FieldVector<Evaluation, dimWorld> EvalDimVector;
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typedef Dune::FieldMatrix<Scalar, dimWorld, dimWorld> DimMatrix;
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public:
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/*!
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* \brief Return the intrinsic permeability tensor at a face [m^2]
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*/
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const DimMatrix& intrinsicPermeability() const
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{
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throw std::invalid_argument("The ECL transmissibility module does not provide an explicit intrinsic permeability");
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}
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/*!
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* \brief Return the pressure potential gradient of a fluid phase at the
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* face's integration point [Pa/m]
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*
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* \param phaseIdx The index of the fluid phase
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*/
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const EvalDimVector& potentialGrad(unsigned) const
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{
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throw std::invalid_argument("The ECL transmissibility module does not provide explicit potential gradients");
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}
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/*!
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* \brief Return the gravity corrected pressure difference between the interior and
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* the exterior of a face.
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*
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* \param phaseIdx The index of the fluid phase
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*/
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const Evaluation& pressureDifference(unsigned phaseIdx) const
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{ return pressureDifference_[phaseIdx]; }
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/*!
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* \brief Return the filter velocity of a fluid phase at the face's integration point
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* [m/s]
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*
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* \param phaseIdx The index of the fluid phase
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*/
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const EvalDimVector& filterVelocity(unsigned) const
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{
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throw std::invalid_argument("The ECL transmissibility module does not provide explicit filter velocities");
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}
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/*!
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* \brief Return the volume flux of a fluid phase at the face's integration point
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* \f$[m^3/s / m^2]\f$
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*
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* This is the fluid volume of a phase per second and per square meter of face
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* area.
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*
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* \param phaseIdx The index of the fluid phase
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*/
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const Evaluation& volumeFlux(unsigned phaseIdx) const
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{ return volumeFlux_[phaseIdx]; }
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protected:
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/*!
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* \brief Returns the local index of the degree of freedom in which is
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* in upstream direction.
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*
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* i.e., the DOF which exhibits a higher effective pressure for
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* the given phase.
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*/
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unsigned upstreamIndex_(unsigned phaseIdx) const
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{
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assert(phaseIdx < numPhases);
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return upIdx_[phaseIdx];
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}
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/*!
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* \brief Returns the local index of the degree of freedom in which is
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* in downstream direction.
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*
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* i.e., the DOF which exhibits a lower effective pressure for the
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* given phase.
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*/
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unsigned downstreamIndex_(unsigned phaseIdx) const
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{
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assert(phaseIdx < numPhases);
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return dnIdx_[phaseIdx];
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}
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void updateSolvent(const ElementContext& elemCtx, unsigned scvfIdx, unsigned timeIdx)
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{ asImp_().updateVolumeFluxTrans(elemCtx, scvfIdx, timeIdx); }
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void updatePolymer(const ElementContext& elemCtx, unsigned scvfIdx, unsigned timeIdx)
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{ asImp_().updateShearMultipliers(elemCtx, scvfIdx, timeIdx); }
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template<class EvalType>
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void calculatePhasePressureDiff_(short& upIdx,
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short& dnIdx,
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EvalType& pressureDifference,
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const IntensiveQuantities& intQuantsIn,
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const IntensiveQuantities& intQuantsEx,
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const unsigned scvfIdx,
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const unsigned timeIdx,
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const unsigned phaseIdx,
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const unsigned interiorDofIdx,
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const unsigned exteriorDofIdx,
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const Scalar& Vin,
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const Scalar& Vex,
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const unsigned& globalIndexIn,
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const unsigned& globalIndexEx,
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const Scalar& distZg,
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const Scalar& thpres
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)
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{
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// check shortcut: if the mobility of the phase is zero in the interior as
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// well as the exterior DOF, we can skip looking at the phase.
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if (intQuantsIn.mobility(phaseIdx) <= 0.0 &&
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intQuantsEx.mobility(phaseIdx) <= 0.0)
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{
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upIdx = interiorDofIdx;
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dnIdx = exteriorDofIdx;
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pressureDifference = 0.0;
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return;
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}
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// do the gravity correction: compute the hydrostatic pressure for the
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// external at the depth of the internal one
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const Evaluation& rhoIn = intQuantsIn.fluidState().density(phaseIdx);
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Scalar rhoEx = Toolbox::value(intQuantsEx.fluidState().density(phaseIdx));
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Evaluation rhoAvg = (rhoIn + rhoEx)/2;
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const Evaluation& pressureInterior = intQuantsIn.fluidState().pressure(phaseIdx);
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Evaluation pressureExterior = Toolbox::value(intQuantsEx.fluidState().pressure(phaseIdx));
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if (enableExtbo) // added stability; particulary useful for solvent migrating in pure water
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// where the solvent fraction displays a 0/1 behaviour ...
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pressureExterior += Toolbox::value(rhoAvg)*(distZg);
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else
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pressureExterior += rhoAvg*(distZg);
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pressureDifference = pressureExterior - pressureInterior;
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// decide the upstream index for the phase. for this we make sure that the
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// degree of freedom which is regarded upstream if both pressures are equal
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// is always the same: if the pressure is equal, the DOF with the lower
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// global index is regarded to be the upstream one.
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if (pressureDifference_[phaseIdx] > 0.0) {
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upIdx = exteriorDofIdx;
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dnIdx = interiorDofIdx;
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}
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else if (pressureDifference_[phaseIdx] < 0.0) {
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upIdx = interiorDofIdx;
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dnIdx = exteriorDofIdx;
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}
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else {
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// if the pressure difference is zero, we chose the DOF which has the
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// larger volume associated to it as upstream DOF
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if (Vin > Vex) {
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upIdx = interiorDofIdx;
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dnIdx = exteriorDofIdx;
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}
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else if (Vin < Vex) {
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upIdx = exteriorDofIdx;
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dnIdx = interiorDofIdx;
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}
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else {
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assert(Vin == Vex);
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// if the volumes are also equal, we pick the DOF which exhibits the
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// smaller global index
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if (globalIndexIn < globalIndexEx) {
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upIdx = interiorDofIdx;
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dnIdx = exteriorDofIdx;
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}
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else {
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upIdx = exteriorDofIdx;
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dnIdx = interiorDofIdx;
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}
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}
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}
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// apply the threshold pressure for the intersection. note that the concept
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// of threshold pressure is a quite big hack that only makes sense for ECL
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// datasets. (and even there, its physical justification is quite
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// questionable IMO.)
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if (std::abs(Toolbox::value(pressureDifference)) > thpres) {
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if (pressureDifference < 0.0)
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pressureDifference += thpres;
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else
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pressureDifference -= thpres;
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}
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else {
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pressureDifference = 0.0;
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}
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}
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/*!
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* \brief Update the required gradients for interior faces
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*/
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void calculateGradients_(const ElementContext& elemCtx, unsigned scvfIdx, unsigned timeIdx)
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{
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Valgrind::SetUndefined(*this);
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const auto& problem = elemCtx.problem();
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const auto& stencil = elemCtx.stencil(timeIdx);
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const auto& scvf = stencil.interiorFace(scvfIdx);
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interiorDofIdx_ = scvf.interiorIndex();
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exteriorDofIdx_ = scvf.exteriorIndex();
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assert(interiorDofIdx_ != exteriorDofIdx_);
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//unsigned I = stencil.globalSpaceIndex(interiorDofIdx_);
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//unsigned J = stencil.globalSpaceIndex(exteriorDofIdx_);
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Scalar Vin = elemCtx.dofVolume(interiorDofIdx_, /*timeIdx=*/0);
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Scalar Vex = elemCtx.dofVolume(exteriorDofIdx_, /*timeIdx=*/0);
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const auto& globalIndexIn = stencil.globalSpaceIndex(interiorDofIdx_);
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const auto& globalIndexEx = stencil.globalSpaceIndex(exteriorDofIdx_);
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Scalar trans = problem.transmissibility(elemCtx, interiorDofIdx_, exteriorDofIdx_);
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Scalar faceArea = scvf.area();
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Scalar thpres = problem.thresholdPressure(globalIndexIn, globalIndexEx);
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// estimate the gravity correction: for performance reasons we use a simplified
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// approach for this flux module that assumes that gravity is constant and always
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// acts into the downwards direction. (i.e., no centrifuge experiments, sorry.)
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Scalar g = elemCtx.problem().gravity()[dimWorld - 1];
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const auto& intQuantsIn = elemCtx.intensiveQuantities(interiorDofIdx_, timeIdx);
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const auto& intQuantsEx = elemCtx.intensiveQuantities(exteriorDofIdx_, timeIdx);
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// this is quite hacky because the dune grid interface does not provide a
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// cellCenterDepth() method (so we ask the problem to provide it). The "good"
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// solution would be to take the Z coordinate of the element centroids, but since
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// ECL seems to like to be inconsistent on that front, it needs to be done like
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// here...
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Scalar zIn = problem.dofCenterDepth(elemCtx, interiorDofIdx_, timeIdx);
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Scalar zEx = problem.dofCenterDepth(elemCtx, exteriorDofIdx_, timeIdx);
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// the distances from the DOF's depths. (i.e., the additional depth of the
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// exterior DOF)
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Scalar distZ = zIn - zEx;
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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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calculatePhasePressureDiff_(upIdx_[phaseIdx],
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dnIdx_[phaseIdx],
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pressureDifference_[phaseIdx],
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intQuantsIn,
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intQuantsEx,
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scvfIdx,//input
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timeIdx,//input
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phaseIdx,//input
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interiorDofIdx_,//input
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exteriorDofIdx_,//intput
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Vin,
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Vex,
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globalIndexIn,
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globalIndexEx,
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distZ*g,
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thpres);
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if(pressureDifference_[phaseIdx] == 0){
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volumeFlux_[phaseIdx] = 0.0;
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continue;
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}
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IntensiveQuantities up;
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unsigned globalIndex;
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if(upIdx_[phaseIdx] == interiorDofIdx_){
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up = intQuantsIn;
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globalIndex = globalIndexIn;
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}else{
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up = intQuantsEx;
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globalIndex = globalIndexEx;
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}
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// TODO: should the rock compaction transmissibility multiplier be upstreamed
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// or averaged? all fluids should see the same compaction?!
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//const auto& globalIndex = stencil.globalSpaceIndex(upstreamIdx);
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const Evaluation& transMult =
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problem.template rockCompTransMultiplier<Evaluation>(up, globalIndex);
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if (upIdx_[phaseIdx] == interiorDofIdx_)
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volumeFlux_[phaseIdx] =
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pressureDifference_[phaseIdx]*up.mobility(phaseIdx)*transMult*(-trans/faceArea);
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else
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volumeFlux_[phaseIdx] =
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pressureDifference_[phaseIdx]*(Toolbox::value(up.mobility(phaseIdx))*Toolbox::value(transMult)*(-trans/faceArea));
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}
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}
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/*!
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* \brief Update the required gradients for boundary faces
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*/
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template <class FluidState>
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void calculateBoundaryGradients_(const ElementContext& elemCtx,
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unsigned scvfIdx,
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unsigned timeIdx,
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const FluidState& exFluidState)
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{
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const auto& problem = elemCtx.problem();
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bool enableBoundaryMassFlux = problem.nonTrivialBoundaryConditions();
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if (!enableBoundaryMassFlux)
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return;
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const auto& stencil = elemCtx.stencil(timeIdx);
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const auto& scvf = stencil.boundaryFace(scvfIdx);
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interiorDofIdx_ = scvf.interiorIndex();
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Scalar trans = problem.transmissibilityBoundary(elemCtx, scvfIdx);
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Scalar faceArea = scvf.area();
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// estimate the gravity correction: for performance reasons we use a simplified
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// approach for this flux module that assumes that gravity is constant and always
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// acts into the downwards direction. (i.e., no centrifuge experiments, sorry.)
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Scalar g = elemCtx.problem().gravity()[dimWorld - 1];
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const auto& intQuantsIn = elemCtx.intensiveQuantities(interiorDofIdx_, timeIdx);
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// this is quite hacky because the dune grid interface does not provide a
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// cellCenterDepth() method (so we ask the problem to provide it). The "good"
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// solution would be to take the Z coordinate of the element centroids, but since
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// ECL seems to like to be inconsistent on that front, it needs to be done like
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||||
// here...
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Scalar zIn = problem.dofCenterDepth(elemCtx, interiorDofIdx_, timeIdx);
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Scalar zEx = scvf.integrationPos()[dimWorld - 1];
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// the distances from the DOF's depths. (i.e., the additional depth of the
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// exterior DOF)
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Scalar distZ = zIn - zEx;
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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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// do the gravity correction: compute the hydrostatic pressure for the
|
||||
// integration position
|
||||
const Evaluation& rhoIn = intQuantsIn.fluidState().density(phaseIdx);
|
||||
const auto& rhoEx = exFluidState.density(phaseIdx);
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Evaluation rhoAvg = (rhoIn + rhoEx)/2;
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const Evaluation& pressureInterior = intQuantsIn.fluidState().pressure(phaseIdx);
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Evaluation pressureExterior = exFluidState.pressure(phaseIdx);
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pressureExterior += rhoAvg*(distZ*g);
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pressureDifference_[phaseIdx] = pressureExterior - pressureInterior;
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||||
|
||||
// decide the upstream index for the phase. for this we make sure that the
|
||||
// degree of freedom which is regarded upstream if both pressures are equal
|
||||
// is always the same: if the pressure is equal, the DOF with the lower
|
||||
// global index is regarded to be the upstream one.
|
||||
if (pressureDifference_[phaseIdx] > 0.0) {
|
||||
upIdx_[phaseIdx] = -1;
|
||||
dnIdx_[phaseIdx] = interiorDofIdx_;
|
||||
}
|
||||
else {
|
||||
upIdx_[phaseIdx] = interiorDofIdx_;
|
||||
dnIdx_[phaseIdx] = -1;
|
||||
}
|
||||
|
||||
Evaluation transModified = trans;
|
||||
|
||||
short upstreamIdx = upstreamIndex_(phaseIdx);
|
||||
if (upstreamIdx == interiorDofIdx_) {
|
||||
|
||||
// this is slightly hacky because in the automatic differentiation case, it
|
||||
// only works for the element centered finite volume method. for ebos this
|
||||
// does not matter, though.
|
||||
const auto& up = elemCtx.intensiveQuantities(upstreamIdx, timeIdx);
|
||||
|
||||
// deal with water induced rock compaction
|
||||
transModified *= problem.template rockCompTransMultiplier<double>(up, stencil.globalSpaceIndex(upstreamIdx));
|
||||
|
||||
volumeFlux_[phaseIdx] =
|
||||
pressureDifference_[phaseIdx]*up.mobility(phaseIdx)*(-transModified/faceArea);
|
||||
|
||||
if (enableSolvent && phaseIdx == gasPhaseIdx)
|
||||
asImp_().setSolventVolumeFlux( pressureDifference_[phaseIdx]*up.solventMobility()*(-transModified/faceArea));
|
||||
}
|
||||
else {
|
||||
// compute the phase mobility using the material law parameters of the
|
||||
// interior element. TODO: this could probably be done more efficiently
|
||||
const auto& matParams =
|
||||
elemCtx.problem().materialLawParams(elemCtx,
|
||||
interiorDofIdx_,
|
||||
/*timeIdx=*/0);
|
||||
typename FluidState::Scalar kr[numPhases];
|
||||
MaterialLaw::relativePermeabilities(kr, matParams, exFluidState);
|
||||
|
||||
const auto& mob = kr[phaseIdx]/exFluidState.viscosity(phaseIdx);
|
||||
volumeFlux_[phaseIdx] =
|
||||
pressureDifference_[phaseIdx]*mob*(-transModified/faceArea);
|
||||
|
||||
// Solvent inflow is not yet supported
|
||||
if (enableSolvent && phaseIdx == gasPhaseIdx)
|
||||
asImp_().setSolventVolumeFlux(0.0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
* \brief Update the volumetric fluxes for all fluid phases on the interior faces of the context
|
||||
*/
|
||||
void calculateFluxes_(const ElementContext&, unsigned, unsigned)
|
||||
{ }
|
||||
|
||||
void calculateBoundaryFluxes_(const ElementContext&, unsigned, unsigned)
|
||||
{}
|
||||
|
||||
private:
|
||||
Implementation& asImp_()
|
||||
{ return *static_cast<Implementation*>(this); }
|
||||
|
||||
const Implementation& asImp_() const
|
||||
{ return *static_cast<const Implementation*>(this); }
|
||||
|
||||
// the volumetric flux of all phases [m^3/s]
|
||||
Evaluation volumeFlux_[numPhases];
|
||||
|
||||
// the difference in effective pressure between the exterior and the interior degree
|
||||
// of freedom [Pa]
|
||||
Evaluation pressureDifference_[numPhases];
|
||||
|
||||
// the local indices of the interior and exterior degrees of freedom
|
||||
unsigned short interiorDofIdx_;
|
||||
unsigned short exteriorDofIdx_;
|
||||
short upIdx_[numPhases];
|
||||
short dnIdx_[numPhases];
|
||||
};
|
||||
|
||||
}// namespace Opm
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user