e33b53c7c7
If divU is valid the velocity divergence is included in the pcorr equation. This simplifies the logic in multiphase moveMesh functions supporting incompressible (with or without mass sources) and compressible fluids.
586 lines
13 KiB
C++
586 lines
13 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) 2015-2023 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 "MovingPhaseModel.H"
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#include "phaseSystem.H"
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#include "fixedValueFvPatchFields.H"
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#include "slipFvPatchFields.H"
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#include "partialSlipFvPatchFields.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 "fvcDdt.H"
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#include "fvcDiv.H"
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#include "fvcFlux.H"
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// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
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template<class BasePhaseModel>
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Foam::tmp<Foam::surfaceScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::phi(const volVectorField& U) const
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{
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word phiName(IOobject::groupName("phi", this->name()));
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typeIOobject<surfaceScalarField> phiHeader
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(
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phiName,
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U.mesh().time().name(),
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U.mesh(),
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IOobject::NO_READ
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);
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if (phiHeader.headerOk())
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{
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Info<< "Reading face flux field " << phiName << endl;
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return tmp<surfaceScalarField>
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(
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new surfaceScalarField
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(
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IOobject
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(
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phiName,
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U.mesh().time().name(),
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U.mesh(),
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE
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),
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U.mesh()
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)
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);
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}
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else
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{
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Info<< "Calculating face flux field " << phiName << endl;
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wordList phiTypes
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(
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U.boundaryField().size(),
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calculatedFvPatchScalarField::typeName
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);
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forAll(U.boundaryField(), patchi)
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{
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if (!U.boundaryField()[patchi].assignable())
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{
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phiTypes[patchi] = fixedValueFvPatchScalarField::typeName;
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}
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}
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return tmp<surfaceScalarField>
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(
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new surfaceScalarField
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(
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IOobject
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(
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phiName,
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U.mesh().time().name(),
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U.mesh(),
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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fvc::flux(U),
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phiTypes
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)
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);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class BasePhaseModel>
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Foam::MovingPhaseModel<BasePhaseModel>::MovingPhaseModel
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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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U_
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(
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IOobject
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(
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IOobject::groupName("U", this->name()),
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fluid.mesh().time().name(),
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fluid.mesh(),
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE
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),
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fluid.mesh()
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),
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phi_(phi(U_)),
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alphaPhi_
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(
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IOobject
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(
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IOobject::groupName("alphaPhi", this->name()),
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fluid.mesh().time().name(),
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fluid.mesh()
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),
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fluid.mesh(),
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dimensionedScalar(dimensionSet(0, 3, -1, 0, 0), 0)
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),
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alphaRhoPhi_
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(
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IOobject
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(
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IOobject::groupName("alphaRhoPhi", this->name()),
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fluid.mesh().time().name(),
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fluid.mesh()
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),
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fluid.mesh(),
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dimensionedScalar(dimensionSet(1, 0, -1, 0, 0), 0)
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),
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Uf_(nullptr),
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DUDt_(nullptr),
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DUDtf_(nullptr),
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divU_(nullptr),
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momentumTransport_
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(
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phaseCompressible::momentumTransportModel::New
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(
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*this,
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this->thermo().rho(),
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U_,
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alphaRhoPhi_,
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phi_,
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*this
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)
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),
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thermophysicalTransport_
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(
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PhaseThermophysicalTransportModel
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<
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phaseCompressible::momentumTransportModel,
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transportThermoModel
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>::New(momentumTransport_, this->thermo_)
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),
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continuityError_
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(
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IOobject
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(
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IOobject::groupName("continuityError", this->name()),
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fluid.mesh().time().name(),
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fluid.mesh()
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),
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fluid.mesh(),
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dimensionedScalar(dimDensity/dimTime, 0)
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),
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K_(nullptr)
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{
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phi_.writeOpt() = IOobject::AUTO_WRITE;
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if (fluid.mesh().dynamic() || this->fluid().MRF().size())
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{
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Uf_ = new surfaceVectorField
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(
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IOobject
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(
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IOobject::groupName("Uf", this->name()),
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fluid.mesh().time().name(),
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fluid.mesh(),
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IOobject::READ_IF_PRESENT,
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IOobject::AUTO_WRITE
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),
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fvc::interpolate(U_)
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);
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}
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correctKinematics();
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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template<class BasePhaseModel>
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Foam::MovingPhaseModel<BasePhaseModel>::~MovingPhaseModel()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::correctContinuityError
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(
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const volScalarField& source
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)
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{
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volScalarField& rho = this->thermoRef().rho();
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continuityError_ = fvc::ddt(*this, rho) + fvc::div(alphaRhoPhi_) - source;
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::correct()
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{
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BasePhaseModel::correct();
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::correctKinematics()
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{
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BasePhaseModel::correctKinematics();
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if (DUDt_.valid())
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{
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DUDt_.clear();
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DUDt();
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}
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if (DUDtf_.valid())
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{
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DUDtf_.clear();
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DUDtf();
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}
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if (K_.valid())
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{
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K_.ref() = 0.5*magSqr(this->U());
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}
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::predictMomentumTransport()
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{
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BasePhaseModel::predictMomentumTransport();
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momentumTransport_->predict();
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::predictThermophysicalTransport()
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{
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BasePhaseModel::predictThermophysicalTransport();
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thermophysicalTransport_->predict();
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::correctMomentumTransport()
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{
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BasePhaseModel::correctMomentumTransport();
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momentumTransport_->correct();
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::correctThermophysicalTransport()
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{
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BasePhaseModel::correctThermophysicalTransport();
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thermophysicalTransport_->correct();
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::correctUf()
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{
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const fvMesh& mesh = this->fluid().mesh();
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if (Uf_.valid())
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{
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Uf_() = fvc::interpolate(U_);
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surfaceVectorField n(mesh.Sf()/mesh.magSf());
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Uf_() +=
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n*(
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this->fluid().MRF().absolute(fvc::absolute(phi_, U_))
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/mesh.magSf()
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- (n & Uf_())
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);
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}
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}
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template<class BasePhaseModel>
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bool Foam::MovingPhaseModel<BasePhaseModel>::stationary() 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::fvVectorMatrix>
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Foam::MovingPhaseModel<BasePhaseModel>::UEqn()
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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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return
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(
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fvm::ddt(alpha, rho, U_)
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+ fvm::div(alphaRhoPhi_, U_)
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+ fvm::SuSp(-this->continuityError(), U_)
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+ this->fluid().MRF().DDt(alpha*rho, U_)
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+ momentumTransport_->divDevTau(U_)
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);
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::fvVectorMatrix>
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Foam::MovingPhaseModel<BasePhaseModel>::UfEqn()
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{
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// As the "normal" U-eqn but without the ddt terms
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const volScalarField& alpha = *this;
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const volScalarField& rho = this->thermo().rho();
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return
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(
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fvm::div(alphaRhoPhi_, U_)
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+ fvm::SuSp(fvc::ddt(*this, rho) - this->continuityError(), U_)
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+ this->fluid().MRF().DDt(alpha*rho, U_)
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+ momentumTransport_->divDevTau(U_)
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);
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::volVectorField>
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Foam::MovingPhaseModel<BasePhaseModel>::U() const
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{
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return U_;
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}
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template<class BasePhaseModel>
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Foam::volVectorField&
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Foam::MovingPhaseModel<BasePhaseModel>::URef()
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{
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return U_;
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::surfaceScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::phi() const
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{
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return phi_;
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}
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template<class BasePhaseModel>
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Foam::surfaceScalarField&
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Foam::MovingPhaseModel<BasePhaseModel>::phiRef()
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{
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return phi_;
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}
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template<class BasePhaseModel>
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const Foam::autoPtr<Foam::surfaceVectorField>&
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Foam::MovingPhaseModel<BasePhaseModel>::Uf() const
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{
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return Uf_;
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}
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template<class BasePhaseModel>
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Foam::surfaceVectorField&
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Foam::MovingPhaseModel<BasePhaseModel>::UfRef()
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{
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if (Uf_.valid())
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{
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return Uf_();
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}
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else
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{
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FatalErrorInFunction
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<< "Uf has not been allocated."
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<< exit(FatalError);
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return const_cast<surfaceVectorField&>(surfaceVectorField::null());
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}
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::surfaceScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::alphaPhi() const
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{
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return alphaPhi_;
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}
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template<class BasePhaseModel>
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Foam::surfaceScalarField&
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Foam::MovingPhaseModel<BasePhaseModel>::alphaPhiRef()
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{
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return alphaPhi_;
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::surfaceScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::alphaRhoPhi() const
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{
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return alphaRhoPhi_;
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}
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template<class BasePhaseModel>
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Foam::surfaceScalarField&
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Foam::MovingPhaseModel<BasePhaseModel>::alphaRhoPhiRef()
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{
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return alphaRhoPhi_;
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::volVectorField>
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Foam::MovingPhaseModel<BasePhaseModel>::DUDt() const
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{
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if (!DUDt_.valid())
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{
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const tmp<surfaceScalarField> taphi(fvc::absolute(phi_, U_));
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const surfaceScalarField& aphi(taphi());
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DUDt_ =
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new volVectorField
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(
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IOobject::groupName("DUDt", this->name()),
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fvc::ddt(U_) + fvc::div(aphi, U_) - fvc::div(aphi)*U_
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);
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}
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return tmp<volVectorField>(DUDt_());
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::surfaceScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::DUDtf() const
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{
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if (!DUDtf_.valid())
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{
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DUDtf_ =
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new surfaceScalarField
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(
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IOobject::groupName("DUDtf", this->name()),
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byDt(phi_ - phi_.oldTime())
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);
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}
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return tmp<surfaceScalarField>(DUDtf_());
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::volScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::continuityError() const
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{
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return continuityError_;
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::volScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::K() const
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{
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if (!K_.valid())
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{
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K_ =
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new volScalarField
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(
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IOobject::groupName("K", this->name()),
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0.5*magSqr(this->U())
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);
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}
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return tmp<volScalarField>(K_());
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}
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template<class BasePhaseModel>
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const Foam::autoPtr<Foam::volScalarField>&
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Foam::MovingPhaseModel<BasePhaseModel>::divU() const
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{
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return divU_;
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}
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template<class BasePhaseModel>
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void Foam::MovingPhaseModel<BasePhaseModel>::divU(tmp<volScalarField> divU)
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{
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if (!divU_.valid())
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{
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divU_ = divU.ptr();
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divU_().rename(IOobject::groupName("divU", this->name()));
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divU_().checkIn();
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}
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else
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{
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divU_() = divU;
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}
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::volScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::k() const
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{
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return momentumTransport_->k();
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::volScalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::pPrime() const
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{
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return momentumTransport_->pPrime();
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::scalarField>
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Foam::MovingPhaseModel<BasePhaseModel>::kappaEff(const label patchi) const
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{
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return thermophysicalTransport_->kappaEff(patchi);
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::fvScalarMatrix>
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Foam::MovingPhaseModel<BasePhaseModel>::divq(volScalarField& he) const
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{
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return thermophysicalTransport_->divq(he);
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}
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template<class BasePhaseModel>
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Foam::tmp<Foam::fvScalarMatrix>
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Foam::MovingPhaseModel<BasePhaseModel>::divj(volScalarField& Yi) const
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{
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return thermophysicalTransport_->divj(Yi);
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}
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// ************************************************************************* //
|