heatTransferCoeff.C

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    Copyright (C) 2017-2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
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.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
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#include "heatTransferCoeff.H"
#include "dictionary.H"
#include "heatTransferCoeffModel.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(heatTransferCoeff, 0);
    addToRunTimeSelectionTable(functionObject, heatTransferCoeff, dictionary);
}
}
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
bool Foam::functionObjects::heatTransferCoeff::calc()
{
    auto& htc = mesh_.lookupObjectRef<volScalarField>(resultName_);
 
    htcModelPtr_->calc(htc, htcModelPtr_->q());
 
    htc *= L_/kappa_;
 
    return true;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::heatTransferCoeff::heatTransferCoeff
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldExpression(name, runTime, dict),
    L_(1),
    kappa_(1),
    htcModelPtr_(nullptr)
{
    read(dict);
 
    setResultName(typeName, "htc:" + htcModelPtr_->type());
 
    auto* heatTransferCoeffPtr =
        new volScalarField
        (
            IOobject
            (
                resultName_,
                mesh_.time().timeName(),
                mesh_,
                IOobject::NO_READ,
                IOobject::NO_WRITE
            ),
            mesh_,
            dimensionedScalar(dimPower/dimArea/dimTemperature, Zero)
        );
 
    mesh_.objectRegistry::store(heatTransferCoeffPtr);
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::functionObjects::heatTransferCoeff::read(const dictionary& dict)
{
    if (!fieldExpression::read(dict))
    {
        return false;
    }
 
    L_ = dict.getCheckOrDefault<scalar>("L", 1, scalarMinMax::ge(0));
    kappa_ =
        dict.getCheckOrDefault<scalar>("kappa", 1, scalarMinMax::ge(SMALL));
    htcModelPtr_ = heatTransferCoeffModel::New(dict, mesh_, fieldName_);
 
    htcModelPtr_->read(dict);
 
    return true;
}
 
 
// ************************************************************************* //