FreeFOAM The Cross-Platform CFD Toolkit
fvcMagSqrGradGrad.C
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1 /*---------------------------------------------------------------------------*\
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3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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23 
24 Description
25 
26 
27 \*---------------------------------------------------------------------------*/
28 
29 #include "fvcMagSqrGradGrad.H"
30 #include "fvcGrad.H"
31 #include <finiteVolume/fvMesh.H>
32 
33 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
34 
35 namespace Foam
36 {
37 
38 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
39 
40 namespace fvc
41 {
42 
43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
44 
45 template<class Type>
46 tmp<volScalarField> magSqrGradGrad
47 (
49 )
50 {
51  tmp<volScalarField> tMagSqrGradGrad
52  (
54  );
55 
56  // Loop over other vector field components
57  for (direction cmpt = 1; cmpt < pTraits<Type>::nComponents; cmpt++)
58  {
59  tMagSqrGradGrad() += magSqr(fvc::grad(fvc::grad(vf.component(cmpt))))();
60  }
61 
62  return tMagSqrGradGrad;
63 }
64 
65 
66 template<class Type>
69 (
71 )
72 {
73  tmp<volScalarField> tMagSqrGradGrad(fvc::magSqrGradGrad(tvf()));
74  tvf.clear();
75  return tMagSqrGradGrad;
76 }
77 
78 
79 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
80 
81 } // End namespace fvc
82 
83 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
84 
85 } // End namespace Foam
86 
87 // ************************ vim: set sw=4 sts=4 et: ************************ //