fvcCurl.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2016 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.
 
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#include "fvcCurl.H"
#include "fvcGrad.H"
#include "fvMesh.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace fvc
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
template<class Type>
tmp<GeometricField<Type, fvPatchField, volMesh>>
curl
(
    const GeometricField<Type, fvPatchField, volMesh>& vf
)
{
    word nameCurlVf = "curl(" + vf.name() + ')';
 
    // Gauss's theorem curl
    // tmp<GeometricField<Type, fvPatchField, volMesh>> tcurlVf =
    //     fvc::surfaceIntegrate(vf.mesh().Sf() ^ fvc::interpolate(vf));
 
    // Calculate curl as the Hodge dual of the skew-symmetric part of grad
    tmp<GeometricField<Type, fvPatchField, volMesh>> tcurlVf =
        2.0*(*skew(fvc::grad(vf, nameCurlVf)));
 
    tcurlVf.ref().rename(nameCurlVf);
 
    return tcurlVf;
}
 
 
template<class Type>
tmp<GeometricField<Type, fvPatchField, volMesh>>
curl
(
    const tmp<GeometricField<Type, fvPatchField, volMesh>>& tvf
)
{
    tmp<GeometricField<Type, fvPatchField, volMesh>> Curl(fvc::curl(tvf()));
    tvf.clear();
    return Curl;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace fvc
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //