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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2015-2026 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 "patchMeanVelocityForce.H"
#include "volFields.H"
#include "processorCyclicPolyPatch.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
namespace Foam
{
namespace fv
{
defineTypeNameAndDebug(patchMeanVelocityForce, 0);
addToRunTimeSelectionTable
(
fvConstraint,
patchMeanVelocityForce,
dictionary
);
}
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::fv::patchMeanVelocityForce::readCoeffs(const dictionary& dict)
{
patch_ = dict.lookup<word>("patch");
if (mesh().poly().boundary().findIndex(patch_) < 0)
{
FatalErrorInFunction
<< "Cannot find patch " << patch_
<< exit(FatalError);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::fv::patchMeanVelocityForce::patchMeanVelocityForce
(
const word& sourceName,
const word& modelType,
const fvMesh& mesh,
const dictionary& dict
)
:
meanVelocityForce(sourceName, modelType, mesh, dict),
patch_(word::null)
{
readCoeffs(coeffs(dict));
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
Foam::scalar Foam::fv::patchMeanVelocityForce::magUbarAve
(
const volVectorField& U
) const
{
const label patchi = mesh().poly().boundary().findIndex(patch_);
scalar sumA = sum(mesh().boundary()[patchi].magSf());
scalar sumAmagU =
sum
(
mesh().boundary()[patchi].magSf()
*(normalised(Ubar()) & U.boundaryField()[patchi])
);
// If the mean velocity force is applied to a cyclic patch
// for parallel runs include contributions from processorCyclic patches
// generated from the decomposition of the cyclic patch
const polyBoundaryMesh& patches = mesh().poly().boundary();
if (Pstream::parRun() && isA<cyclicPolyPatch>(patches[patchi]))
{
const labelList processorCyclicPatches
(
processorCyclicPolyPatch::patchIDs(patch_, patches)
);
forAll(processorCyclicPatches, pcpi)
{
const label patchi = processorCyclicPatches[pcpi];
sumA += sum(mesh().boundary()[patchi].magSf());
sumAmagU +=
sum
(
mesh().boundary()[patchi].magSf()
*(normalised(Ubar()) & U.boundaryField()[patchi])
);
}
}
mesh().reduce(sumA, sumOp());
mesh().reduce(sumAmagU, sumOp());
return sumAmagU/sumA;
}
bool Foam::fv::patchMeanVelocityForce::read(const dictionary& dict)
{
if (meanVelocityForce::read(dict))
{
readCoeffs(coeffs(dict));
return true;
}
else
{
return false;
}
}
// ************************************************************************* //
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