simpleFilter.C

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/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 2011-2025 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 "simpleFilter.H"
#include "fvcSurfaceIntegrate.H"
#include "surfaceInterpolate.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(simpleFilter, 0);
    addToRunTimeSelectionTable(LESfilter, simpleFilter, dictionary);
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class Type>
inline Foam::tmp<Foam::VolField<Type>> Foam::simpleFilter::filter
(
    const tmp<VolField<Type>>& unFilteredField
) const
{
    correctBoundaryConditions(unFilteredField);
 
    tmp<VolField<Type>> filteredField
    (
        VolField<Type>::New
        (
            "simpleFilteredField",
            fvc::surfaceSum
            (
                mesh().magSf()*fvc::interpolate(unFilteredField)
            )/fvc::surfaceSum(mesh().magSf()),
            extrapolatedCalculatedFvPatchField<Type>::typeName
        )
    );
 
    unFilteredField.clear();
 
    return filteredField;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::simpleFilter::simpleFilter
(
    const fvMesh& mesh
)
:
    LESfilter(mesh)
{}
 
 
Foam::simpleFilter::simpleFilter(const fvMesh& mesh, const dictionary&)
:
    LESfilter(mesh)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::simpleFilter::read(const dictionary&)
{}
 
 
// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField> Foam::simpleFilter::operator()
(
    const tmp<volScalarField>& unFilteredField
) const
{
    return filter(unFilteredField);
}
 
 
Foam::tmp<Foam::volVectorField> Foam::simpleFilter::operator()
(
    const tmp<volVectorField>& unFilteredField
) const
{
    return filter(unFilteredField);
}
 
 
Foam::tmp<Foam::volSymmTensorField> Foam::simpleFilter::operator()
(
    const tmp<volSymmTensorField>& unFilteredField
) const
{
    return filter(unFilteredField);
}
 
 
Foam::tmp<Foam::volTensorField> Foam::simpleFilter::operator()
(
    const tmp<volTensorField>& unFilteredField
) const
{
    return filter(unFilteredField);
}
 
 
// ************************************************************************* //