LESeddyViscosity.C
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25 
26 #include "LESeddyViscosity.H"
27 
28 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
29 
30 namespace Foam
31 {
32 namespace LESModels
33 {
34 
35 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
36 
37 template<class BasicMomentumTransportModel>
39 (
40  const word& type,
41  const alphaField& alpha,
42  const rhoField& rho,
43  const volVectorField& U,
44  const surfaceScalarField& alphaRhoPhi,
45  const surfaceScalarField& phi,
46  const viscosity& viscosity
47 )
48 :
49  eddyViscosity<LESModel<BasicMomentumTransportModel>>
50  (
51  type,
52  alpha,
53  rho,
54  U,
55  alphaRhoPhi,
56  phi,
57  viscosity
58  ),
59 
60  Ck_
61  (
62  dimensioned<scalar>::lookupOrAddToDict
63  (
64  "Ck",
65  this->coeffDict_,
66  0.094
67  )
68  ),
69 
70  Ce_
71  (
72  dimensioned<scalar>::lookupOrAddToDict
73  (
74  "Ce",
75  this->coeffDict_,
76  1.048
77  )
78  )
79 {}
80 
81 
82 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
83 
84 template<class BasicMomentumTransportModel>
86 {
88  {
89  Ck_.readIfPresent(this->coeffDict());
90  Ce_.readIfPresent(this->coeffDict());
91 
92  return true;
93  }
94  else
95  {
96  return false;
97  }
98 }
99 
100 
101 template<class BasicMomentumTransportModel>
104 {
105  tmp<volScalarField> tk(this->k());
106 
107  return volScalarField::New
108  (
109  this->groupName("epsilon"),
110  Ce_*tk()*sqrt(tk())/this->delta()
111  );
112 }
113 
114 
115 template<class BasicMomentumTransportModel>
118 {
119  tmp<volScalarField> tk(this->k());
120 
121  return volScalarField::New
122  (
123  this->groupName("omega"),
124  (Ce_/Ck_)*sqrt(tk())/this->delta()
125  );
126 }
127 
128 
129 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
130 
131 } // End namespace LESModels
132 } // End namespace Foam
133 
134 // ************************************************************************* //
label k
scalar delta
Generic GeometricField class.
static tmp< GeometricField< Type, PatchField, GeoMesh > > New(const word &name, const Internal &, const PtrList< PatchField< Type >> &, const HashPtrTable< Source > &=HashPtrTable< Source >())
Return a temporary field constructed from name,.
Templated abstract base class for LES SGS models.
Definition: LESModel.H:63
BasicMomentumTransportModel::alphaField alphaField
LESeddyViscosity(const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity)
Construct from components.
virtual tmp< volScalarField > epsilon() const
Return sub-grid disipation rate.
virtual tmp< volScalarField > omega() const
Return the turbulence specific dissipation rate.
virtual bool read()
Read model coefficients if they have changed.
BasicMomentumTransportModel::rhoField rhoField
Generic dimensioned Type class.
Eddy viscosity turbulence model base class.
Definition: eddyViscosity.H:52
A class for managing temporary objects.
Definition: tmp.H:55
Abstract base class for all fluid physical properties.
Definition: viscosity.H:50
A class for handling words, derived from string.
Definition: word.H:62
U
Definition: pEqn.H:72
volScalarField alpha(IOobject("alpha", runTime.name(), mesh, IOobject::READ_IF_PRESENT, IOobject::AUTO_WRITE), lambda *max(Ua &U, zeroSensitivity))
Namespace for OpenFOAM.
bool read(const char *, int32_t &)
Definition: int32IO.C:85
dimensionedScalar sqrt(const dimensionedScalar &ds)
fileType type(const fileName &, const bool checkVariants=true, const bool followLink=true)
Return the file type: directory or file.
Definition: POSIX.C:488