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Tenneti.C
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25 
26 #include "Tenneti.H"
27 #include "phasePair.H"
28 #include "SchillerNaumann.H"
30 
31 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
32 
33 namespace Foam
34 {
35 namespace dragModels
36 {
37  defineTypeNameAndDebug(Tenneti, 0);
38  addToRunTimeSelectionTable(dragModel, Tenneti, dictionary);
39 }
40 }
41 
42 
43 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
44 
46 (
47  const dictionary& dict,
48  const phasePair& pair,
49  const bool registerObject
50 )
51 :
52  dragModel(dict, pair, registerObject),
53  residualRe_("residualRe", dimless, dict.lookup("residualRe"))
54 {}
55 
56 
57 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
58 
60 {}
61 
62 
63 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
64 
66 {
68  (
70  );
71 
73  (
75  );
76 
77  const volScalarField Res(alpha2*pair_.Re());
78 
79  const volScalarField CdReIsolated
80  (
81  neg(Res - 1000)*24*(1 + 0.15*pow(Res, 0.687))
82  + pos0(Res - 1000)*0.44*max(Res, residualRe_)
83  );
84 
85  const volScalarField F0
86  (
87  5.81*alpha1/pow3(alpha2) + 0.48*pow(alpha1, 1.0/3.0)/pow4(alpha2)
88  );
89 
90  const volScalarField F1
91  (
92  pow3(alpha1)*Res*(0.95 + 0.61*pow3(alpha1)/sqr(alpha2))
93  );
94 
95  // Tenneti et al. correlation includes the mean pressure drag.
96  // This was removed here by multiplying F by alpha2 for consistency with
97  // the formulation used in OpenFOAM
98  return CdReIsolated + 24*sqr(alpha2)*(F0 + F1);
99 }
100 
101 
102 // ************************************************************************* //
dictionary dict
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
#define F1(B, C, D)
Definition: SHA1.C:173
dimensionedSymmTensor sqr(const dimensionedVector &dv)
volScalarField & alpha1(mixture.alpha1())
const dimensionSet dimless
dimensionedScalar neg(const dimensionedScalar &ds)
Macros for easy insertion into run-time selection tables.
alpha2
Definition: alphaEqn.H:115
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:57
virtual ~Tenneti()
Destructor.
stressControl lookup("compactNormalStress") >> compactNormalStress
virtual const phaseModel & continuous() const
Continuous phase.
virtual tmp< volScalarField > CdRe() const
Drag coefficient.
tmp< volScalarField > Re() const
Reynolds number.
const dimensionedScalar & residualAlpha() const
Return the residual phase-fraction for given phase.
virtual const phaseModel & dispersed() const
Dispersed phase.
const phasePair & pair_
Phase pair.
Definition: dragModel.H:62
dimensionedScalar pos0(const dimensionedScalar &ds)
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
defineTypeNameAndDebug(combustionModel, 0)
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensionedScalar pow3(const dimensionedScalar &ds)
Tenneti(const dictionary &dict, const phasePair &pair, const bool registerObject)
Construct from a dictionary and a phase pair.
dimensionedScalar pow4(const dimensionedScalar &ds)
A class for managing temporary objects.
Definition: PtrList.H:53
Namespace for OpenFOAM.