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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 "PoissonPatchDistMethod.H"
#include "fvcGrad.H"
#include "fvmLaplacian.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace patchDistMethods
{
defineTypeNameAndDebug(Poisson, 0);
addToRunTimeSelectionTable(patchDistMethod, Poisson, dictionary);
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::patchDistMethods::Poisson::Poisson
(
const dictionary& dict,
const fvMesh& mesh,
const labelHashSet& patchIDs
)
:
patchDistMethod(mesh, patchIDs)
{}
Foam::patchDistMethods::Poisson::Poisson
(
const fvMesh& mesh,
const labelHashSet& patchIDs
)
:
patchDistMethod(mesh, patchIDs)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
bool Foam::patchDistMethods::Poisson::correct(volScalarField& y)
{
return correct(y, const_cast<volVectorField&>(volVectorField::null()));
}
bool Foam::patchDistMethods::Poisson::correct
(
volScalarField& y,
volVectorField& n
)
{
if (!tyPsi_.valid())
{
tyPsi_ = tmp<volScalarField>
(
volScalarField::New
(
"yPsi",
mesh_,
dimensionedScalar(sqr(dimensions::length), 0),
y.boundary().types()
)
);
}
volScalarField& yPsi = tyPsi_.ref();
solve(fvm::laplacian(yPsi) == dimensionedScalar(dimless, -1.0));
volVectorField gradyPsi(fvc::grad(yPsi));
volScalarField magGradyPsi(mag(gradyPsi));
y = sqrt(magSqr(gradyPsi) + 2*yPsi) - magGradyPsi;
// Cache yPsi if the mesh is moving otherwise delete
if (!mesh_.changing())
{
tyPsi_.clear();
}
// Only calculate n if the field is defined
if (notNull(n))
{
n =
-gradyPsi
/max
(
magGradyPsi,
dimensionedScalar(dimensions::length, small)
);
}
return true;
}
// ************************************************************************* //
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