JohnsonJacksonFrictionalStress.C
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25 
26 #include "JohnsonJacksonFrictionalStress.H"
28 #include "mathematicalConstants.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace kineticTheoryModels
35 {
36 namespace frictionalStressModels
37 {
38  defineTypeNameAndDebug(JohnsonJackson, 0);
39 
41  (
42  frictionalStressModel,
43  JohnsonJackson,
44  dictionary
45  );
46 }
47 }
48 }
49 
50 
51 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
52 
55 (
56  const dictionary& dict
57 )
58 :
59  frictionalStressModel(dict),
60  coeffDict_(dict.optionalSubDict(typeName + "Coeffs")),
61  Fr_("Fr", dimensionSet(1, -1, -2, 0, 0), coeffDict_),
62  eta_("eta", dimless, coeffDict_),
63  p_("p", dimless, coeffDict_),
64  phi_("phi", dimless, coeffDict_),
65  alphaDeltaMin_("alphaDeltaMin", dimless, coeffDict_)
66 {
67  phi_ *= constant::mathematical::pi/180.0;
68 }
69 
70 
71 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
72 
75 {}
76 
77 
78 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
79 
83 (
84  const phaseModel& phase,
85  const dimensionedScalar& alphaMinFriction,
86  const dimensionedScalar& alphaMax
87 ) const
88 {
89  const volScalarField& alpha = phase;
90 
91  return
92  Fr_*pow(max(alpha - alphaMinFriction, scalar(0)), eta_)
93  /pow(max(alphaMax - alpha, alphaDeltaMin_), p_);
94 }
95 
96 
100 (
101  const phaseModel& phase,
102  const dimensionedScalar& alphaMinFriction,
103  const dimensionedScalar& alphaMax
104 ) const
105 {
106  const volScalarField& alpha = phase;
107 
108  return Fr_*
109  (
110  eta_*pow(max(alpha - alphaMinFriction, scalar(0)), eta_ - 1.0)
111  *(alphaMax-alpha)
112  + p_*pow(max(alpha - alphaMinFriction, scalar(0)), eta_)
113  )/pow(max(alphaMax - alpha, alphaDeltaMin_), p_ + 1.0);
114 }
115 
116 
119 (
120  const phaseModel& phase,
121  const dimensionedScalar& alphaMinFriction,
122  const dimensionedScalar& alphaMax,
123  const volScalarField& pf,
124  const volSymmTensorField& D
125 ) const
126 {
127  return dimensionedScalar("0.5", dimTime, 0.5)*pf*sin(phi_);
128 }
129 
130 
132 {
133  coeffDict_ <<= dict_.optionalSubDict(typeName + "Coeffs");
134 
135  Fr_.read(coeffDict_);
136  eta_.read(coeffDict_);
137  p_.read(coeffDict_);
138 
139  phi_.read(coeffDict_);
140  phi_ *= constant::mathematical::pi/180.0;
141 
142  alphaDeltaMin_.read(coeffDict_);
143 
144  return true;
145 }
146 
147 
148 // ************************************************************************* //
GeometricField< symmTensor, fvPatchField, volMesh > volSymmTensorField
Definition: volFieldsFwd.H:58
bool read(Istream &)
Read dictionary from Istream.
Definition: dictionaryIO.C:125
dictionary dict
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
virtual tmp< volScalarField > nu(const phaseModel &phase, const dimensionedScalar &alphaMinFriction, const dimensionedScalar &alphaMax, const volScalarField &pf, const volSymmTensorField &D) const
Macros for easy insertion into run-time selection tables.
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:52
const dictionary & optionalSubDict(const word &) const
Find and return a sub-dictionary if found.
Definition: dictionary.C:759
dimensionedScalar sin(const dimensionedScalar &ds)
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
defineTypeNameAndDebug(combustionModel, 0)
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
const dimensionSet dimless(0, 0, 0, 0, 0, 0, 0)
Definition: dimensionSets.H:47
const dictionary & dict_
Reference to higher-level dictionary for re-read.
dimensioned< scalar > dimensionedScalar
Dimensioned scalar obtained from generic dimensioned type.
const dimensionSet dimTime(0, 0, 1, 0, 0, 0, 0)
Definition: dimensionSets.H:51
A class for managing temporary objects.
Definition: PtrList.H:53
const dimensionedScalar alpha
Fine-structure constant: default SI units: [].
virtual tmp< volScalarField > frictionalPressurePrime(const phaseModel &phase, const dimensionedScalar &alphaMinFriction, const dimensionedScalar &alphaMax) const
JohnsonJackson(const dictionary &dict)
Construct from components.
Namespace for OpenFOAM.
virtual tmp< volScalarField > frictionalPressure(const phaseModel &phase, const dimensionedScalar &alphaMinFriction, const dimensionedScalar &alphaMax) const