146a59e46c
Registration occurs when the temporary field is transferred to a non-temporary field via a constructor or if explicitly transferred to the database via the regIOobject "store" methods.
523 lines
16 KiB
C
523 lines
16 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) 2015-2018 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 "InterfaceCompositionPhaseChangePhaseSystem.H"
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#include "interfaceCompositionModel.H"
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#include "massTransferModel.H"
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// * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * * //
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template<class BasePhaseSystem>
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Foam::tmp<Foam::volScalarField>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::iDmdt
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(
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const phasePairKey& key
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) const
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{
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tmp<volScalarField> tIDmdt = phaseSystem::dmdt(key);
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const phasePair unorderedPair
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(
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this->phases()[key.first()],
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this->phases()[key.second()]
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);
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forAllConstIter(phasePair, unorderedPair, iter)
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{
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const phaseModel& phase = iter();
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const phaseModel& otherPhase = iter.otherPhase();
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const phasePair pair(phase, otherPhase, true);
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if (interfaceCompositionModels_.found(pair))
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{
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const scalar iDmdtSign = Pair<word>::compare(pair, key);
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forAllConstIter
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(
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hashedWordList,
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interfaceCompositionModels_[pair]->species(),
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memberIter
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)
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{
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const word& member = *memberIter;
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const word name(IOobject::groupName(member, phase.name()));
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const word otherName
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(
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IOobject::groupName(member, otherPhase.name())
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);
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tIDmdt.ref() +=
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iDmdtSign
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*(
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*(*iDmdtSu_[pair])[member]
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+ *(*iDmdtSp_[pair])[member]*phase.Y(member)
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);
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}
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}
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}
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return tIDmdt;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class BasePhaseSystem>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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InterfaceCompositionPhaseChangePhaseSystem
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(
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const fvMesh& mesh
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)
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:
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BasePhaseSystem(mesh),
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nInterfaceCorrectors_
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(
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this->template lookupOrDefault<label>("nInterfaceCorrectors", 1)
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)
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{
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this->generatePairsAndSubModels
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(
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"interfaceComposition",
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interfaceCompositionModels_
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);
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this->generatePairsAndSubModels
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(
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"massTransfer",
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massTransferModels_,
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false
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);
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// Check that models have been specified in the correct combinations
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forAllConstIter
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(
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interfaceCompositionModelTable,
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interfaceCompositionModels_,
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interfaceCompositionModelIter
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)
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{
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const phasePair& pair =
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this->phasePairs_[interfaceCompositionModelIter.key()];
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const phaseModel& phase = pair.phase1();
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const phaseModel& otherPhase = pair.phase2();
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if (!pair.ordered())
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{
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FatalErrorInFunction
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<< "An interfacial composition model is specified for the "
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<< "unordered " << pair << " pair. Composition models only "
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<< "apply to ordered pairs. An entry for a "
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<< phasePairKey("A", "B", true) << " pair means a model for "
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<< "the A side of the A-B interface; i.e., \"A in the presence "
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<< "of B\""
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<< exit(FatalError);
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}
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const phasePairKey key(phase.name(), otherPhase.name());
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if (!this->phasePairs_.found(key))
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{
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FatalErrorInFunction
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<< "A mass transfer model the " << key << " pair is not "
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<< "specified. This is required by the corresponding interface "
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<< "composition model."
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<< exit(FatalError);
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}
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const phasePair& uoPair = this->phasePairs_[key];
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if (!massTransferModels_[uoPair][uoPair.index(phase)].valid())
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{
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FatalErrorInFunction
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<< "A mass transfer model for the " << pair.phase1().name()
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<< " side of the " << uoPair << " pair is not "
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<< "specified. This is required by the corresponding interface "
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<< "composition model."
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<< exit(FatalError);
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}
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}
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forAllConstIter
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(
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massTransferModelTable,
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massTransferModels_,
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massTransferModelIter
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)
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{
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const phasePair& pair =
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this->phasePairs_[massTransferModelIter.key()];
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if (!this->heatTransferModels_.found(pair))
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{
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FatalErrorInFunction
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<< "A heat transfer model for " << pair << " pair is not "
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<< "specified. This is required by the corresponding species "
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<< "transfer model"
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<< exit(FatalError);
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}
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}
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// Generate mass transfer fields, initially assumed to be zero
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forAllConstIter
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(
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interfaceCompositionModelTable,
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interfaceCompositionModels_,
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interfaceCompositionModelIter
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)
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{
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const interfaceCompositionModel& compositionModel =
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interfaceCompositionModelIter();
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const phasePair& pair =
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this->phasePairs_[interfaceCompositionModelIter.key()];
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iDmdtSu_.insert(pair, new HashPtrTable<volScalarField>());
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iDmdtSp_.insert(pair, new HashPtrTable<volScalarField>());
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forAllConstIter(hashedWordList, compositionModel.species(), memberIter)
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{
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const word& member = *memberIter;
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iDmdtSu_[pair]->insert
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(
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member,
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new volScalarField
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(
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IOobject
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(
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IOobject::groupName("iDmdtSu", pair.name()),
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this->mesh().time().timeName(),
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this->mesh()
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),
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this->mesh(),
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dimensionedScalar(dimDensity/dimTime, 0)
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)
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);
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iDmdtSp_[pair]->insert
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(
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member,
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new volScalarField
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(
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IOobject
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(
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IOobject::groupName("iDmdtSp", pair.name()),
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this->mesh().time().timeName(),
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this->mesh()
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),
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this->mesh(),
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dimensionedScalar(dimDensity/dimTime, 0)
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)
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);
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}
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}
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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template<class BasePhaseSystem>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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~InterfaceCompositionPhaseChangePhaseSystem()
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{}
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// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
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template<class BasePhaseSystem>
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Foam::tmp<Foam::volScalarField>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::dmdt
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(
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const phasePairKey& key
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) const
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{
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return BasePhaseSystem::dmdt(key) + this->iDmdt(key);
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}
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template<class BasePhaseSystem>
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Foam::Xfer<Foam::PtrList<Foam::volScalarField>>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::dmdts() const
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{
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PtrList<volScalarField> dmdts(BasePhaseSystem::dmdts());
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forAllConstIter
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(
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interfaceCompositionModelTable,
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interfaceCompositionModels_,
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interfaceCompositionModelIter
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)
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{
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const interfaceCompositionModel& compositionModel =
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interfaceCompositionModelIter();
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const phasePair& pair =
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this->phasePairs_[interfaceCompositionModelIter.key()];
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const phaseModel& phase = pair.phase1();
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const phaseModel& otherPhase = pair.phase2();
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forAllConstIter(hashedWordList, compositionModel.species(), memberIter)
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{
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const word& member = *memberIter;
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const word name(IOobject::groupName(member, phase.name()));
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const word otherName
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(
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IOobject::groupName(member, otherPhase.name())
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);
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const volScalarField iDmdt
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(
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*(*iDmdtSu_[pair])[member]
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+ *(*iDmdtSp_[pair])[member]*phase.Y(member)
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);
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this->addField(phase, "dmdt", iDmdt, dmdts);
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this->addField(otherPhase, "dmdt", - iDmdt, dmdts);
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}
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}
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return dmdts.xfer();
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}
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template<class BasePhaseSystem>
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Foam::autoPtr<Foam::phaseSystem::massTransferTable>
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Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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massTransfer() const
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{
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autoPtr<phaseSystem::massTransferTable> eqnsPtr =
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BasePhaseSystem::massTransfer();
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phaseSystem::massTransferTable& eqns = eqnsPtr();
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// Sum up the contribution from each interface composition model
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forAllConstIter
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(
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interfaceCompositionModelTable,
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interfaceCompositionModels_,
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interfaceCompositionModelIter
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)
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{
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const interfaceCompositionModel& compositionModel =
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interfaceCompositionModelIter();
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const phasePair& pair =
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this->phasePairs_[interfaceCompositionModelIter.key()];
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const phaseModel& phase = pair.phase1();
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const phaseModel& otherPhase = pair.phase2();
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const phasePair& unorderedPair =
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this->phasePairs_[phasePair(phase, otherPhase)];
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const volScalarField& Tf(*this->Tf_[unorderedPair]);
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const volScalarField K
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(
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massTransferModels_[unorderedPair][unorderedPair.index(phase)]->K()
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);
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forAllConstIter(hashedWordList, compositionModel.species(), memberIter)
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{
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const word& member = *memberIter;
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const word name(IOobject::groupName(member, phase.name()));
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const word otherName
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(
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IOobject::groupName(member, otherPhase.name())
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);
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const volScalarField KD(K*compositionModel.D(member));
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const volScalarField Yf(compositionModel.Yf(member, Tf));
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*(*iDmdtSu_[pair])[member] = phase.rho()*KD*Yf;
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*(*iDmdtSp_[pair])[member] = - phase.rho()*KD;
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const fvScalarMatrix eqn
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(
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*(*iDmdtSu_[pair])[member]
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+ fvm::Sp(*(*iDmdtSp_[pair])[member], phase.Y(member))
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);
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const volScalarField iDmdt
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(
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*(*iDmdtSu_[pair])[member]
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+ *(*iDmdtSp_[pair])[member]*phase.Y(member)
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);
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// Implicit transport through this phase
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*eqns[name] += eqn;
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// Explicit transport out of the other phase
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if (eqns.found(otherName))
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{
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*eqns[otherName] -= iDmdt;
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}
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}
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}
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return eqnsPtr;
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}
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template<class BasePhaseSystem>
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void Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::
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correctInterfaceThermo()
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{
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// This loop solves for the interface temperatures, Tf, and updates the
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// interface composition models.
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//
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// The rate of heat transfer to the interface must equal the latent heat
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// consumed at the interface, i.e.:
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//
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// H1*(T1 - Tf) + H2*(T2 - Tf) == mDotL
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// == K*rho*(Yfi - Yi)*Li
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//
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// Yfi is likely to be a strong non-linear (typically exponential) function
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// of Tf, so the solution for the temperature is newton-accelerated
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forAllConstIter
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(
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typename BasePhaseSystem::heatTransferModelTable,
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this->heatTransferModels_,
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heatTransferModelIter
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)
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{
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const phasePair& pair =
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this->phasePairs_[heatTransferModelIter.key()];
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const phasePairKey key12(pair.first(), pair.second(), true);
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const phasePairKey key21(pair.second(), pair.first(), true);
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const volScalarField H1(heatTransferModelIter().first()->K());
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const volScalarField H2(heatTransferModelIter().second()->K());
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const dimensionedScalar HSmall("small", heatTransferModel::dimK, small);
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volScalarField& Tf = *this->Tf_[pair];
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for (label i = 0; i < nInterfaceCorrectors_; ++ i)
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{
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volScalarField mDotL
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(
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IOobject
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(
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"mDotL",
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this->mesh().time().timeName(),
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this->mesh()
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),
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this->mesh(),
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dimensionedScalar(dimEnergy/dimVolume/dimTime, 0)
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);
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volScalarField mDotLPrime
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(
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IOobject
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(
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"mDotLPrime",
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this->mesh().time().timeName(),
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this->mesh()
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),
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this->mesh(),
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dimensionedScalar(mDotL.dimensions()/dimTemperature, 0)
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);
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// Add latent heats from forward and backward models
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if (this->interfaceCompositionModels_.found(key12))
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{
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this->interfaceCompositionModels_[key12]->addMDotL
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(
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massTransferModels_[pair].first()->K(),
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Tf,
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mDotL,
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mDotLPrime
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);
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}
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if (this->interfaceCompositionModels_.found(key21))
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{
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this->interfaceCompositionModels_[key21]->addMDotL
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(
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massTransferModels_[pair].second()->K(),
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Tf,
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mDotL,
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mDotLPrime
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);
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}
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// Update the interface temperature by applying one step of newton's
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// method to the interface relation
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Tf -=
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(
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H1*(Tf - pair.phase1().thermo().T())
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+ H2*(Tf - pair.phase2().thermo().T())
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+ mDotL
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)
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/(
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max(H1 + H2 + mDotLPrime, HSmall)
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);
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Tf.correctBoundaryConditions();
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Info<< "Tf." << pair.name()
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<< ": min = " << min(Tf.primitiveField())
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<< ", mean = " << average(Tf.primitiveField())
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<< ", max = " << max(Tf.primitiveField())
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<< endl;
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// Update the interface compositions
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if (this->interfaceCompositionModels_.found(key12))
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{
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this->interfaceCompositionModels_[key12]->update(Tf);
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}
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if (this->interfaceCompositionModels_.found(key21))
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{
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this->interfaceCompositionModels_[key21]->update(Tf);
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}
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}
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}
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}
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template<class BasePhaseSystem>
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bool Foam::InterfaceCompositionPhaseChangePhaseSystem<BasePhaseSystem>::read()
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{
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if (BasePhaseSystem::read())
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{
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bool readOK = true;
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// Models ...
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return readOK;
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}
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else
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{
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return false;
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}
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}
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// ************************************************************************* //
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