levelSet.H

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    Copyright (C) 2017 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
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    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/>.
 
Description:
    Functions to create an averaged field from a discontinuous field defined by
    a level-set.
 
SourceFiles:
    levelSet.C
    levelSetTemplates.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef levelSet_H
#define levelSet_H
 
#include "DimensionedField.H"
#include "fvMesh.H"
#include "pointMesh.H"
#include "volMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
//- Calculate the average value of two fields, one on each side of a level set
//  The level set and the fields are given both on the points and cell-centres.
template<class Type>
tmp<DimensionedField<Type, volMesh>> levelSetAverage
(
    const fvMesh& mesh,
    const scalarField& levelC,
    const scalarField& levelP,
    const DimensionedField<Type, volMesh>& positiveC,
    const DimensionedField<Type, pointMesh>& positiveP,
    const DimensionedField<Type, volMesh>& negativeC,
    const DimensionedField<Type, pointMesh>& negativeP
);
 
//- As the above overload, but on the faces of a patch
template<class Type>
tmp<Field<Type>> levelSetAverage
(
    const fvPatch& patch,
    const scalarField& levelF,
    const scalarField& levelP,
    const Field<Type>& positiveF,
    const Field<Type>& positiveP,
    const Field<Type>& negativeF,
    const Field<Type>& negativeP
);
 
//- Calculate the volume-fraction that a level set occupies. This gives the the
//  same result as levelSetAverage if the fields passed to the latter are
//  uniformly 0 and 1. The above flag flips the direction.
tmp<DimensionedField<scalar, volMesh>> levelSetFraction
(
    const fvMesh& mesh,
    const scalarField& levelC,
    const scalarField& levelP,
    const bool above
);
 
//- As the above overload, but on the faces of a patch
tmp<scalarField> levelSetFraction
(
    const fvPatch& patch,
    const scalarField& levelF,
    const scalarField& levelP,
    const bool above
);
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "levelSetTemplates.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //