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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2020-2022 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/>.
Class
Foam::PLICU
Description
Velocity-weighted Piecewise-Linear Interface Calculation (PLICU) corrected
scheme is a surface interpolation scheme for flux calculation in advection
of a bounded variable, e.g. phase fraction and for interface capturing in
the volume of fluid (VoF) method.
The interface is represented by single cuts which split each cell to match
the volume fraction of the phase in the cell. The cut planes are oriented
according to the point field of the local phase fraction. The phase
fraction at each cell face - the interpolated value - is then calculated
from the face area on either side of the cut. For cases where the
single-cut does not accurately represent the cell volume fraction the
specified default scheme is used, e.g. interfaceCompression.
Additionally the face point velocity values are used to calculate the face
flux which is likely to be more accurate in the presence of high shear.
Example:
\verbatim
divSchemes
{
.
.
div(phi,alpha) Gauss PLICU interfaceCompression vanLeer 1;
.
.
}
\endverbatim
See also
Foam::PLIC
Foam::MPLIC
Foam::MPLICU
Foam::interfaceCompression
SourceFiles
PLICU.C
\*---------------------------------------------------------------------------*/
#ifndef PLICU_H
#define PLICU_H
#include "PLIC.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class PLIC Declaration
\*---------------------------------------------------------------------------*/
class PLICU
:
public PLIC
{
public:
//- Runtime type information
TypeName("PLICU");
// Constructors
//- Construct from faceFlux and Istream
PLICU
(
const fvMesh& mesh,
const surfaceScalarField& faceFlux,
Istream& is
)
:
PLIC(mesh, faceFlux, is)
{}
// Member Functions
//- Return the face-interpolate of the given cell field
virtual tmp<surfaceScalarField> interpolate
(
const volScalarField& vf
) const;
// Member Operators
//- Disallow default bitwise assignment
void operator=(const PLICU&) = delete;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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