buoyancyForce.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2015-2024 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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 "buoyancyForce.H"
#include "fvMatrices.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
 
namespace Foam
{
namespace fv
{
    defineTypeNameAndDebug(buoyancyForce, 0);
 
    addToRunTimeSelectionTable
    (
        fvModel,
        buoyancyForce,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::fv::buoyancyForce::readCoeffs()
{
    phaseName_ = coeffs().lookupOrDefault<word>("phase", word::null);
 
    UName_ =
        coeffs().lookupOrDefault<word>
        (
            "U",
            IOobject::groupName("U", phaseName_)
        );
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fv::buoyancyForce::buoyancyForce
(
    const word& name,
    const word& modelType,
    const fvMesh& mesh,
    const dictionary& dict
)
:
    fvModel(name, modelType, mesh, dict),
    phaseName_(word::null),
    UName_(word::null),
    g_
    (
        IOobject
        (
            "g",
            mesh.time().constant(),
            mesh,
            IOobject::MUST_READ,
            IOobject::NO_WRITE
        )
    )
{
    readCoeffs();
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::wordList Foam::fv::buoyancyForce::addSupFields() const
{
    return wordList(1, UName_);
}
 
 
void Foam::fv::buoyancyForce::addSup
(
    const volVectorField& U,
    fvMatrix<vector>& eqn
) const
{
    eqn += g_;
}
 
 
void Foam::fv::buoyancyForce::addSup
(
    const volScalarField& rho,
    const volVectorField& U,
    fvMatrix<vector>& eqn
) const
{
    eqn += rho*g_;
}
 
 
void Foam::fv::buoyancyForce::addSup
(
    const volScalarField& alpha,
    const volScalarField& rho,
    const volVectorField& U,
    fvMatrix<vector>& eqn
) const
{
    eqn += alpha*rho*g_;
}
 
 
bool Foam::fv::buoyancyForce::movePoints()
{
    return true;
}
 
 
void Foam::fv::buoyancyForce::topoChange(const polyTopoChangeMap&)
{}
 
 
void Foam::fv::buoyancyForce::mapMesh(const polyMeshMap& map)
{}
 
 
void Foam::fv::buoyancyForce::distribute(const polyDistributionMap&)
{}
 
 
bool Foam::fv::buoyancyForce::read(const dictionary& dict)
{
    if (fvModel::read(dict))
    {
        readCoeffs();
        return true;
    }
    else
    {
        return false;
    }
}
 
 
// ************************************************************************* //