fvcMagSqrGradGrad.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 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.
 
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    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
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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() += 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
 
// ************************************************************************* //