fvcMagSqrGradGrad.C
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5  \\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
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25 
26 #include "fvcMagSqrGradGrad.H"
27 #include "fvcGrad.H"
28 #include "fvMesh.H"
29 
30 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 
35 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
36 
37 namespace fvc
38 {
39 
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
41 
42 template<class Type>
43 tmp<volScalarField> magSqrGradGrad
44 (
46 )
47 {
48  tmp<volScalarField> tMagSqrGradGrad
49  (
51  );
52 
53  // Loop over other vector field components
54  for (direction cmpt = 1; cmpt < pTraits<Type>::nComponents; cmpt++)
55  {
56  tMagSqrGradGrad.ref() +=
57  magSqr(fvc::grad(fvc::grad(vf.component(cmpt))))();
58  }
59 
60  return tMagSqrGradGrad;
61 }
62 
63 
64 template<class Type>
67 (
69 )
70 {
71  tmp<volScalarField> tMagSqrGradGrad(fvc::magSqrGradGrad(tvf()));
72  tvf.clear();
73  return tMagSqrGradGrad;
74 }
75 
76 
77 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
78 
79 } // End namespace fvc
80 
81 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
82 
83 } // End namespace Foam
84 
85 // ************************************************************************* //
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh >> grad(const GeometricField< Type, fvsPatchField, surfaceMesh > &ssf)
Definition: fvcGrad.C:52
uint8_t direction
Definition: direction.H:46
tmp< volScalarField > magSqrGradGrad(const GeometricField< Type, fvPatchField, volMesh > &vf)
Generic GeometricField class.
tmp< GeometricField< cmptType, PatchField, GeoMesh > > component(const direction) const
Return a component of the field.
Calculate the gradient of the given field.
dimensioned< scalar > magSqr(const dimensioned< Type > &)
A class for managing temporary objects.
Definition: PtrList.H:54
T & ref() const
Return non-const reference or generate a fatal error.
Definition: tmpI.H:174
Namespace for OpenFOAM.
Calculate the magnitiude of the square of the gradient of the gradient of the given volField...