UOprocess.H
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25 
26 Class
27  Foam::UOprocess
28 
29 Description
30  Random UO process.
31 
32 SourceFiles
33  UOprocess.C
34 
35 \*---------------------------------------------------------------------------*/
36 
37 #ifndef UOprocess_H
38 #define UOprocess_H
39 
40 #include "complexFields.H"
41 #include "scalar.H"
42 #include "Random.H"
43 
44 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
45 
46 namespace Foam
47 {
48 
49 class Kmesh;
50 class dictionary;
51 
52 /*---------------------------------------------------------------------------*\
53  Class UOprocess Declaration
54 \*---------------------------------------------------------------------------*/
55 
56 class UOprocess
57 {
58  // Private data
59 
60  Random GaussGen;
61 
62  const Kmesh& Mesh;
63  const scalar DeltaT, RootDeltaT;
64  complexVectorField UOfield;
65 
66  scalar Alpha;
67  scalar Sigma;
68  scalar Kupper;
69  scalar Klower;
70  scalar Scale;
71 
72 
73  // Private Member Functions
74 
75  complexVector WeinerProcess();
76 
77 
78 public:
79 
80  // Constructors
81 
82  //- Construct from wavenumber mesh and timestep
83  UOprocess
84  (
85  const Kmesh& kmesh,
86  const scalar deltaT,
87  const dictionary&
88  );
89 
90 
91  // Member Functions
92 
93  const complexVectorField& newField();
94 };
95 
96 
97 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
98 
99 } // End namespace Foam
100 
101 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
102 
103 #endif
104 
105 // ************************************************************************* //
Foam::Random
Random number generator.
Definition: Random.H:59
Foam::UOprocess::newField
const complexVectorField & newField()
Definition: UOprocess.C:95
Foam::UOprocess
Random UO process.
Definition: UOprocess.H:55
Foam::Kmesh
Calculate the wavenumber vector field corresponding to the space vector field of a finite volume mesh...
Definition: Kmesh.H:51
Foam::Field< complexVector >
Foam::dictionary
A list of keyword definitions, which are a keyword followed by a number of values (eg,...
Definition: dictionary.H:123
complexFields.H
Specialisations of Field<T> for complex and complexVector.
scalar.H
Foam
Namespace for OpenFOAM.
Definition: atmBoundaryLayer.C:33
Random.H
Foam::UOprocess::UOprocess
UOprocess(const Kmesh &kmesh, const scalar deltaT, const dictionary &)
Construct from wavenumber mesh and timestep.
Definition: UOprocess.C:55
Foam::Vector
Templated 3D Vector derived from VectorSpace adding construction from 3 components,...
Definition: Vector.H:62