facAverage.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2016-2017 Wikki Ltd
-------------------------------------------------------------------------------
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 "facAverage.H"
#include "facEdgeIntegrate.H"
#include "faMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace fac
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
template<class Type>
tmp<GeometricField<Type, faPatchField, areaMesh>>
average
(
    const GeometricField<Type,  faePatchField, edgeMesh>& ssf
)
{
    const faMesh& mesh = ssf.mesh();
 
    tmp<GeometricField<Type, faPatchField, areaMesh>> taverage
    (
        new GeometricField<Type, faPatchField, areaMesh>
        (
            IOobject
            (
                "average("+ssf.name()+')',
                ssf.instance(),
                mesh.thisDb(),
                IOobject::NO_READ,
                IOobject::NO_WRITE
            ),
            mesh,
            ssf.dimensions()
        )
    );
 
    GeometricField<Type, faPatchField, areaMesh>& av = taverage.ref();
 
    av.ref() =
    (
        edgeSum(mesh.magLe()*ssf)/edgeSum(mesh.magLe())
    )().internalField();
 
    forAll(av.boundaryField(), patchi)
    {
        av.boundaryFieldRef()[patchi] = ssf.boundaryField()[patchi];
    }
 
    av.correctBoundaryConditions();
 
    return taverage;
}
 
 
template<class Type>
tmp<GeometricField<Type, faPatchField, areaMesh>>
average
(
    const tmp<GeometricField<Type,  faePatchField, edgeMesh>>& tssf
)
{
    tmp<GeometricField<Type, faPatchField, areaMesh>> taverage
    (
        fac::average(tssf())
    );
    tssf.clear();
    return taverage;
}
 
 
template<class Type>
tmp<GeometricField<Type, faPatchField, areaMesh>>
average
(
    const GeometricField<Type, faPatchField, areaMesh>& vtf
)
{
    return fac::average(linearEdgeInterpolate(vtf));
}
 
 
template<class Type>
tmp<GeometricField<Type, faPatchField, areaMesh>>
average
(
    const tmp<GeometricField<Type, faPatchField, areaMesh>>& tvtf
)
{
    tmp<GeometricField<Type, faPatchField, areaMesh>> taverage
    (
        fac::average(tvtf())
    );
    tvtf.clear();
    return taverage;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fac
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //