reactingEulerHtcModel.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2020-2024 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "reactingEulerHtcModel.H"
#include "heatTransferCoeffModel.H"
#include "phaseSystem.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(reactingEulerHtcModel, 0);
    addToRunTimeSelectionTable
    (
        functionObject,
        reactingEulerHtcModel,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 
bool Foam::functionObjects::reactingEulerHtcModel::calc()
{
    auto& htc =
        htcModelPtr_->mesh().lookupObjectRef<volScalarField>(resultName_);
 
    htcModelPtr_->calc(htc, q());
 
    return true;
}
 
 
Foam::tmp<Foam::FieldField<Foam::Field, Foam::scalar>>
Foam::functionObjects::reactingEulerHtcModel::q() const
{
    const fvMesh& mesh = htcModelPtr_->mesh();
 
    const volScalarField& T =
        mesh.lookupObject<volScalarField>(htcModelPtr_->TName());
 
    const volScalarField::Boundary& Tbf = T.boundaryField();
 
    auto tq = tmp<FieldField<Field, scalar>>::New(Tbf.size());
    auto& q = tq.ref();
 
    forAll(q, patchi)
    {
        q.set(patchi, new Field<scalar>(Tbf[patchi].size(), Zero));
    }
 
    const auto* fluidPtr =
        mesh.cfindObject<phaseSystem>("phaseProperties");
 
    if (!fluidPtr)
    {
        FatalErrorInFunction
            << "Unable to find a valid phaseSystem to evaluate q" << nl
            << exit(FatalError);
    }
 
    const phaseSystem& fluid = *fluidPtr;
 
    for (const label patchi : htcModelPtr_->patchIDs())
    {
        for (const phaseModel& phase : fluid.phases())
        {
            const fvPatchScalarField& alpha = phase.boundaryField()[patchi];
            const volScalarField& he = phase.thermo().he();
            const volScalarField::Boundary& hebf = he.boundaryField();
 
            q[patchi] +=
                alpha*phase.alphaEff(patchi)()*hebf[patchi].snGrad();
        }
    }
 
    // Add radiative heat flux contribution if present
 
    const volScalarField* qrPtr =
        mesh.cfindObject<volScalarField>(htcModelPtr_->qrName());
 
    if (qrPtr)
    {
        const volScalarField::Boundary& qrbf = qrPtr->boundaryField();
 
        for (const label patchi : htcModelPtr_->patchIDs())
        {
            q[patchi] += qrbf[patchi];
        }
    }
 
    return tq;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::reactingEulerHtcModel::reactingEulerHtcModel
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldExpression(name, runTime, dict),
    htcModelPtr_(heatTransferCoeffModel::New(dict, mesh_, fieldName_))
{
    read(dict);
 
    setResultName(typeName, "htc:" + htcModelPtr_->type());
 
    volScalarField* htcPtr =
        new volScalarField
        (
            IOobject
            (
                resultName_,
                mesh_.time().timeName(),
                mesh_.thisDb(),
                IOobject::NO_READ,
                IOobject::NO_WRITE,
                IOobject::REGISTER
            ),
            mesh_,
            dimensionedScalar(dimPower/dimArea/dimTemperature, Zero)
        );
 
    regIOobject::store(htcPtr);
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::functionObjects::reactingEulerHtcModel::read(const dictionary& dict)
{
    if (!fieldExpression::read(dict) || htcModelPtr_->read(dict))
    {
        return false;
    }
 
    return true;
}
 
 
// ************************************************************************* //