fvcMagSqrGradGrad.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
     \\/     M anipulation  |
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#include "fvcMagSqrGradGrad.H"
#include "fvcGrad.H"
#include "fvMesh.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace fvc
{

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

template<class Type>
tmp<volScalarField> magSqrGradGrad
(
    const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
    tmp<volScalarField> tMagSqrGradGrad
    (
        magSqr(fvc::grad(fvc::grad(vf.component(0))))
    );

    // Loop over other vector field components
    for (direction cmpt = 1; cmpt < pTraits<Type>::nComponents; cmpt++)
    {
        tMagSqrGradGrad.ref() +=
            magSqr(fvc::grad(fvc::grad(vf.component(cmpt))))();
    }

    return tMagSqrGradGrad;
}


template<class Type>
tmp<volScalarField>
magSqrGradGrad
(
    const tmp<GeometricField<Type, fvPatchField, volMesh>>& tvf
)
{
    tmp<volScalarField> tMagSqrGradGrad(fvc::magSqrGradGrad(tvf()));
    tvf.clear();
    return tMagSqrGradGrad;
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace fvc

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// ************************************************************************* //