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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2025-2026 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 "cloudFlux.H"
#include "cloud.H"
#include "CompactListList.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
defineTypeNameAndDebug(cloudFlux, 0);
}
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::functionObjects::cloudFlux::crossPatchFaces
(
const LagrangianSubScalarSubField& fraction,
const label sign
)
{
const Foam::cloud& c = cloud();
const SubField<label> facei = fraction.mesh().sub(c.mesh().facei());
const LagrangianSubScalarField dqdt(q(fraction)/time_.deltaT());
const surfaceScalarField::BoundaryField& magSfb =
mesh().magSf().boundaryField();
forAll(fraction, subi)
{
const LagrangianState state =
c.mesh().state(subi + fraction.mesh().start());
if (sign < 0 && state == LagrangianState::toBeRemoved) continue;
const label bFacei = facei[subi] - mesh().nInternalFaces();
const labelUList patchis = mesh().polyBFacePatches()[bFacei];
const labelUList patchFaceis = mesh().polyBFacePatchFaces()[bFacei];
forAll(patchis, i)
{
const scalar fraction =
magSfb[patchis[i]][patchFaceis[i]]
/mesh().magFaceAreas()[facei[subi]];
phi_.boundaryFieldRef()[patchis[i]][patchFaceis[i]] +=
sign*fraction*dqdt[subi];
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::functionObjects::cloudFlux::cloudFlux
(
const word& name,
const Time& runTime,
const dictionary& dict,
const word& qName,
const dimensionSet& qDims
)
:
cloudFvMeshFunctionObject(name, runTime, dict),
phi_
(
IOobject
(
cloud().mesh().name()
+ ":phi"
+ (qName.size() == 1 ? qName : qName.capitalise()),
runTime.name(),
mesh(),
IOobject::NO_READ,
IOobject::AUTO_WRITE
),
mesh(),
dimensionedScalar(qDims/dimensions::time, scalar(0))
)
{}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::functionObjects::cloudFlux::~cloudFlux()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
Foam::wordList Foam::functionObjects::cloudFlux::fields() const
{
return wordList::null();
}
bool Foam::functionObjects::cloudFlux::executeAtStart() const
{
return false;
}
void Foam::functionObjects::cloudFlux::preSolve()
{
phi_ == Zero;
}
bool Foam::functionObjects::cloudFlux::execute()
{
return true;
}
void Foam::functionObjects::cloudFlux::preCrossFaces
(
const LagrangianSubScalarSubField& fraction
)
{
if (fraction.mesh().group() != LagrangianGroup::inInternalMesh)
{
crossPatchFaces(fraction, +1);
}
else
{
const Foam::cloud& c = cloud();
const labelList& owner = mesh().owner();
const SubList<LagrangianState> states =
fraction.mesh().sub(c.mesh().states());
const SubField<label> celli = fraction.mesh().sub(c.mesh().celli());
const SubField<label> facei = fraction.mesh().sub(c.mesh().facei());
const LagrangianSubScalarField dqdt(q(fraction)/time_.deltaT());
forAll(fraction, subi)
{
if (states[subi] != LagrangianState::onInternalFace) continue;
const label sign = owner[facei[subi]] == celli[subi] ? +1 : -1;
phi_.internalFieldRef()[facei[subi]] += sign*dqdt[subi];
}
}
}
void Foam::functionObjects::cloudFlux::postCrossFaces
(
const LagrangianSubScalarSubField& fraction
)
{
if (fraction.mesh().group() != LagrangianGroup::inInternalMesh)
{
crossPatchFaces(fraction, -1);
}
}
bool Foam::functionObjects::cloudFlux::write()
{
return true;
}
bool Foam::functionObjects::cloudFlux::clear()
{
return true;
}
// ************************************************************************* //
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