atmPlantCanopyUSource.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2020 ENERCON GmbH
    Copyright (C) 2020-2022 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.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    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/>.
 
\*---------------------------------------------------------------------------*/
 
#include "atmPlantCanopyUSource.H"
#include "addToRunTimeSelectionTable.H"
#include "fvmSup.H"
 
// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
 
namespace Foam
{
namespace fv
{
    defineTypeNameAndDebug(atmPlantCanopyUSource, 0);
    addToRunTimeSelectionTable(option, atmPlantCanopyUSource, dictionary);
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fv::atmPlantCanopyUSource::atmPlantCanopyUSource
(
    const word& sourceName,
    const word& modelType,
    const dictionary& dict,
    const fvMesh& mesh
)
:
    fv::cellSetOption(sourceName, modelType, dict, mesh),
    rhoName_(coeffs_.getOrDefault<word>("rho", "rho")),
    plantCd_
    (
        IOobject
        (
            "plantCd",
            mesh.time().timeName(),
            mesh,
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        mesh
    ),
    leafAreaDensity_
    (
        IOobject
        (
            "leafAreaDensity",
            mesh.time().timeName(),
            mesh,
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        mesh
    )
{
    fieldNames_.resize(1, "U");
 
    fv::option::resetApplied();
 
    Log << "    Applying atmPlantCanopyUSource to: " << fieldNames_[0] << endl;
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::fv::atmPlantCanopyUSource::addSup
(
    fvMatrix<vector>& eqn,
    const label fieldi
)
{
    const volVectorField& U = eqn.psi();
 
    if (V_ > VSMALL)
    {
        // (SP:Eq. 42)
        eqn -= fvm::Sp(plantCd_*leafAreaDensity_*mag(U), U);
    }
}
 
 
void Foam::fv::atmPlantCanopyUSource::addSup
(
    const volScalarField& rho,
    fvMatrix<vector>& eqn,
    const label fieldi
)
{
    const volVectorField& U = eqn.psi();
 
    if (V_ > VSMALL)
    {
        eqn -= fvm::Sp(rho*plantCd_*leafAreaDensity_*mag(U), U);
    }
}
 
 
void Foam::fv::atmPlantCanopyUSource::addSup
(
    const volScalarField& alpha,
    const volScalarField& rho,
    fvMatrix<vector>& eqn,
    const label fieldi
)
{
    const volVectorField& U = eqn.psi();
 
    if (V_ > VSMALL)
    {
        eqn -= fvm::Sp(alpha*rho*plantCd_*leafAreaDensity_*mag(U), U);
    }
}
 
 
// ************************************************************************* //