TomiyamaLift.C
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25 
26 #include "TomiyamaLift.H"
27 #include "aspectRatioModel.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace liftModels
35 {
38 }
39 }
40 
41 
42 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
43 
45 (
46  const dictionary& dict,
47  const phaseInterface& interface
48 )
49 :
50  dispersedLiftModel(dict, interface),
51  aspectRatio_(aspectRatioModel::New(dict.subDict("aspectRatio"), interface))
52 {}
53 
54 
55 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
56 
58 {}
59 
60 
61 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
62 
64 {
65  const volScalarField EoH
66  (
67  interface_.Eo(interface_.dispersed().d()/cbrt(aspectRatio_->E()))
68  );
69 
70  const volScalarField f
71  (
72  0.0010422*pow3(EoH) - 0.0159*sqr(EoH) - 0.0204*EoH + 0.474
73  );
74 
75  return
76  neg(EoH - 4)*min(0.288*tanh(0.121*interface_.Re()), f)
77  + pos0(EoH - 4)*neg(EoH - 10.7)*f
78  + pos0(EoH - 10.7)*(-0.288);
79 }
80 
81 
82 // ************************************************************************* //
Macros for easy insertion into run-time selection tables.
Generic GeometricField class.
Model for deviations in the shape of the dispersed phase from spherical. Just a sub-model modifier,...
A list of keyword definitions, which are a keyword followed by any number of values (e....
Definition: dictionary.H:160
Model for the lift force between two phases.
Definition: liftModel.H:53
Lift model of Tomiyama et al.
Definition: TomiyamaLift.H:67
virtual tmp< volScalarField > Cl() const
Lift coefficient.
Definition: TomiyamaLift.C:63
virtual ~TomiyamaLift()
Destructor.
Definition: TomiyamaLift.C:57
TomiyamaLift(const dictionary &dict, const phaseInterface &interface)
Construct from a dictionary and an interface.
Definition: TomiyamaLift.C:45
Class to represent an interface between phases. Derivations can further specify the configuration of ...
A class for managing temporary objects.
Definition: tmp.H:55
autoPtr< CompressibleMomentumTransportModel > New(const volScalarField &rho, const volVectorField &U, const surfaceScalarField &phi, const viscosity &viscosity)
addToRunTimeSelectionTable(liftModel, constantLiftCoefficient, dictionary)
defineTypeNameAndDebug(constantLiftCoefficient, 0)
Namespace for OpenFOAM.
dimensionedScalar pos0(const dimensionedScalar &ds)
dimensionedSymmTensor sqr(const dimensionedVector &dv)
dimensionedScalar pow3(const dimensionedScalar &ds)
dimensionedScalar tanh(const dimensionedScalar &ds)
layerAndWeight min(const layerAndWeight &a, const layerAndWeight &b)
dimensionedScalar neg(const dimensionedScalar &ds)
dimensionedScalar cbrt(const dimensionedScalar &ds)
labelList f(nPoints)
dictionary dict