leastSquaresGrad.H
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23 
24 Class
25  Foam::fv::leastSquaresGrad
26 
27 Description
28  Second-order gradient scheme using least-squares.
29 
30 SourceFiles
31  leastSquaresGrad.C
32 
33 \*---------------------------------------------------------------------------*/
34 
35 #ifndef leastSquaresGrad_H
36 #define leastSquaresGrad_H
37 
38 #include "gradScheme.H"
39 
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
41 
42 namespace Foam
43 {
44 
45 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
46 
47 namespace fv
48 {
49 
50 /*---------------------------------------------------------------------------*\
51  Class leastSquaresGrad Declaration
52 \*---------------------------------------------------------------------------*/
53 
54 template<class Type>
55 class leastSquaresGrad
56 :
57  public fv::gradScheme<Type>
58 {
59 public:
60 
61  //- Runtime type information
62  TypeName("leastSquares");
63 
64 
65  // Constructors
66 
67  //- Construct from mesh
69  :
70  gradScheme<Type>(mesh)
71  {}
72 
73  //- Construct from Istream
75  :
76  gradScheme<Type>(mesh)
77  {}
78 
79  //- Disallow default bitwise copy construction
80  leastSquaresGrad(const leastSquaresGrad&) = delete;
81 
82 
83  // Member Functions
84 
85  //- Return the gradient of the given field to the gradScheme::grad
86  // for optional caching
87  virtual tmp
88  <
91  > calcGrad
92  (
94  const word& name
95  ) const;
96 
97 
98  // Member Operators
99 
100  //- Disallow default bitwise assignment
101  void operator=(const leastSquaresGrad&) = delete;
102 };
103 
104 
105 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
106 
107 } // End namespace fv
108 
109 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
110 
111 } // End namespace Foam
112 
113 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
114 
115 #ifdef NoRepository
116  #include "leastSquaresGrad.C"
117 #endif
118 
119 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
120 
121 #endif
122 
123 // ************************************************************************* //
TypeName("leastSquares")
Runtime type information.
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
Abstract base class with a fat-interface to all derived classes covering all possible ways in which t...
Definition: fvPatchField.H:66
typeOfRank< typename pTraits< arg1 >::cmptType, direction(pTraits< arg1 >::rank)+direction(pTraits< arg2 >::rank) >::type type
Definition: products.H:90
Generic GeometricField class.
leastSquaresGrad(const fvMesh &mesh)
Construct from mesh.
Mesh data needed to do the Finite Volume discretisation.
Definition: volMesh.H:53
Second-order gradient scheme using least-squares.
A class for handling words, derived from string.
Definition: word.H:59
labelList fv(nPoints)
virtual tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > > calcGrad(const GeometricField< Type, fvPatchField, volMesh > &vsf, const word &name) const
Return the gradient of the given field to the gradScheme::grad.
void operator=(const leastSquaresGrad &)=delete
Disallow default bitwise assignment.
word name(const complex &)
Return a string representation of a complex.
Definition: complex.C:47
Abstract base class for gradient schemes.
Definition: gradScheme.H:60
Mesh data needed to do the Finite Volume discretisation.
Definition: fvMesh.H:95
A class for managing temporary objects.
Definition: PtrList.H:53
const fvMesh & mesh() const
Return mesh reference.
Definition: gradScheme.H:122
Namespace for OpenFOAM.