3df883d7e6
The new stabilisation approach avoids any conservation error where the phase-fraction is greater than residualAlpha by only applying the stabilising terms to the transport equations in regions where the phase-fraction is less than residualAlpha.
167 lines
4.4 KiB
C++
167 lines
4.4 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Copyright (C) 2015-2022 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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 OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "MultiComponentPhaseModel.H"
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#include "phaseSystem.H"
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#include "fvmDdt.H"
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#include "fvmDiv.H"
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#include "fvmSup.H"
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#include "fvmLaplacian.H"
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#include "fvcDdt.H"
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#include "fvcDiv.H"
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#include "fvMatrix.H"
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class BasePhaseModel>
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Foam::MultiComponentPhaseModel<BasePhaseModel>::MultiComponentPhaseModel
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(
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const phaseSystem& fluid,
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const word& phaseName,
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const bool referencePhase,
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const label index
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)
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:
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BasePhaseModel(fluid, phaseName, referencePhase, index),
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residualAlpha_
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(
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"residualAlpha",
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dimless,
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fluid.mesh().solverDict("Yi")
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)
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{
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PtrList<volScalarField>& Y = this->thermo_->composition().Y();
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forAll(Y, i)
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{
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if (this->thermo_->composition().solve(i))
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{
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const label j = YActive_.size();
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YActive_.resize(j + 1);
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YActive_.set(j, &Y[i]);
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}
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}
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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template<class BasePhaseModel>
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Foam::MultiComponentPhaseModel<BasePhaseModel>::~MultiComponentPhaseModel()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class BasePhaseModel>
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void Foam::MultiComponentPhaseModel<BasePhaseModel>::correctSpecies()
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{
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this->thermo_->composition().normalise();
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BasePhaseModel::correctSpecies();
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}
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template<class BasePhaseModel>
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bool Foam::MultiComponentPhaseModel<BasePhaseModel>::pure() const
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{
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return false;
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::fvScalarMatrix>
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Foam::MultiComponentPhaseModel<BasePhaseModel>::YiEqn(volScalarField& Yi)
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{
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const volScalarField& alpha = *this;
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const volScalarField& rho = this->thermo().rho();
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const tmp<surfaceScalarField> talphaRhoPhi(this->alphaRhoPhi());
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const surfaceScalarField& alphaRhoPhi(talphaRhoPhi());
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return
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(
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fvm::ddt(alpha, rho, Yi)
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+ fvm::div(alphaRhoPhi, Yi, "div(" + alphaRhoPhi.name() + ",Yi)")
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+ this->divj(Yi)
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==
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alpha*this->R(Yi)
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- correction
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(
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fvm::Sp
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(
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max(residualAlpha_ - alpha, scalar(0))*rho
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/this->mesh().time().deltaT(),
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Yi
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)
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)
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);
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}
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template<class BasePhaseModel>
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const Foam::PtrList<Foam::volScalarField>&
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Foam::MultiComponentPhaseModel<BasePhaseModel>::Y() const
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{
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return this->thermo_->composition().Y();
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}
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template<class BasePhaseModel>
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const Foam::volScalarField&
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Foam::MultiComponentPhaseModel<BasePhaseModel>::Y(const word& name) const
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{
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return this->thermo_->composition().Y(name);
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}
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template<class BasePhaseModel>
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Foam::PtrList<Foam::volScalarField>&
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Foam::MultiComponentPhaseModel<BasePhaseModel>::YRef()
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{
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return this->thermo_->composition().Y();
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}
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template<class BasePhaseModel>
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const Foam::UPtrList<Foam::volScalarField>&
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Foam::MultiComponentPhaseModel<BasePhaseModel>::YActive() const
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{
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return YActive_;
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}
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template<class BasePhaseModel>
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Foam::UPtrList<Foam::volScalarField>&
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Foam::MultiComponentPhaseModel<BasePhaseModel>::YActiveRef()
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{
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return YActive_;
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}
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// ************************************************************************* //
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