CrossPowerLaw.C
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25 
26 #include "CrossPowerLaw.H"
28 #include "surfaceFields.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace viscosityModels
35 {
36  defineTypeNameAndDebug(CrossPowerLaw, 0);
37 
39  (
40  viscosityModel,
41  CrossPowerLaw,
42  dictionary
43  );
44 }
45 }
46 
47 
48 // * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * * //
49 
51 Foam::viscosityModels::CrossPowerLaw::calcNu() const
52 {
53  return (nu0_ - nuInf_)/(scalar(1) + pow(m_*strainRate(), n_)) + nuInf_;
54 }
55 
56 
57 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
58 
60 (
61  const word& name,
62  const dictionary& viscosityProperties,
63  const volVectorField& U,
64  const surfaceScalarField& phi
65 )
66 :
67  viscosityModel(name, viscosityProperties, U, phi),
68  CrossPowerLawCoeffs_(viscosityProperties.subDict(typeName + "Coeffs")),
69  nu0_("nu0", dimViscosity, CrossPowerLawCoeffs_),
70  nuInf_("nuInf", dimViscosity, CrossPowerLawCoeffs_),
71  m_("m", dimTime, CrossPowerLawCoeffs_),
72  n_("n", dimless, CrossPowerLawCoeffs_),
73  nu_
74  (
75  IOobject
76  (
77  name,
78  U_.time().timeName(),
79  U_.db(),
82  ),
83  calcNu()
84  )
85 {}
86 
87 
88 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
89 
91 (
92  const dictionary& viscosityProperties
93 )
94 {
95  viscosityModel::read(viscosityProperties);
96 
97  CrossPowerLawCoeffs_ = viscosityProperties.subDict(typeName + "Coeffs");
98 
99  CrossPowerLawCoeffs_.lookup("nu0") >> nu0_;
100  CrossPowerLawCoeffs_.lookup("nuInf") >> nuInf_;
101  CrossPowerLawCoeffs_.lookup("m") >> m_;
102  CrossPowerLawCoeffs_.lookup("n") >> n_;
103 
104  return true;
105 }
106 
107 
108 // ************************************************************************* //
addToRunTimeSelectionTable(viscosityModel, BirdCarreau, dictionary)
Foam::surfaceFields.
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
const dimensionSet dimTime(0, 0, 1, 0, 0, 0, 0)
Definition: dimensionSets.H:51
An abstract base class for incompressible viscosityModels.
A class for handling words, derived from string.
Definition: word.H:59
CrossPowerLaw(const word &name, const dictionary &viscosityProperties, const volVectorField &U, const surfaceScalarField &phi)
Construct from components.
Definition: CrossPowerLaw.C:60
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:137
const dictionary & subDict(const word &) const
Find and return a sub-dictionary.
Definition: dictionary.C:638
Namespace for OpenFOAM.
IOobject defines the attributes of an object for which implicit objectRegistry management is supporte...
Definition: IOobject.H:91
const dimensionSet dimViscosity
Macros for easy insertion into run-time selection tables.
bool read(const dictionary &viscosityProperties)
Read transportProperties dictionary.
Definition: CrossPowerLaw.C:91
defineTypeNameAndDebug(BirdCarreau, 0)
virtual bool read(const dictionary &viscosityProperties)=0
Read transportProperties dictionary.
ITstream & lookup(const word &, bool recursive=false, bool patternMatch=true) const
Find and return an entry data stream.
Definition: dictionary.C:452
const dimensionSet dimless(0, 0, 0, 0, 0, 0, 0)
Definition: dimensionSets.H:47
A class for managing temporary objects.
Definition: PtrList.H:118