SyamlalOBrien.C
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25 
26 #include "SyamlalOBrien.H"
27 #include "phasePair.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34 namespace dragModels
35 {
36  defineTypeNameAndDebug(SyamlalOBrien, 0);
37  addToRunTimeSelectionTable(dragModel, SyamlalOBrien, dictionary);
38 }
39 }
40 
41 
42 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
43 
45 (
46  const dictionary& dict,
47  const phasePair& pair,
48  const bool registerObject
49 )
50 :
51  dragModel(dict, pair, registerObject)
52 {}
53 
54 
55 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
56 
58 {}
59 
60 
61 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
62 
64 {
66  (
67  max(scalar(1) - pair_.dispersed(), pair_.continuous().residualAlpha())
68  );
69 
70  volScalarField A(pow(alpha2, 4.14));
72  (
73  neg(alpha2 - 0.85)*(0.8*pow(alpha2, 1.28))
74  + pos(alpha2 - 0.85)*(pow(alpha2, 2.65))
75  );
78  (
79  0.5
80  *(
81  A - 0.06*Re + sqrt(sqr(0.06*Re) + 0.12*Re*(2.0*B - A) + sqr(A))
82  )
83  );
84  volScalarField CdsRe(sqr(0.63*sqrt(Re) + 4.8*sqrt(Vr)));
85 
86  return
87  CdsRe
89  /sqr(Vr);
90 }
91 
92 
93 // ************************************************************************* //
dimensionedScalar sqrt(const dimensionedScalar &ds)
virtual ~SyamlalOBrien()
Destructor.
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensionedScalar neg(const dimensionedScalar &ds)
const phasePair & pair_
Phase pair.
Definition: dragModel.H:62
virtual const phaseModel & continuous() const
Continuous phase.
tmp< volScalarField > Re() const
Reynolds number.
Namespace for OpenFOAM.
dictionary dict
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:52
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
Macros for easy insertion into run-time selection tables.
const dimensionedScalar & residualAlpha() const
Return the residual phase-fraction for given phase.
alpha2
Definition: alphaEqn.H:112
virtual tmp< volScalarField > CdRe() const
Drag coefficient.
dimensionedScalar pos(const dimensionedScalar &ds)
SyamlalOBrien(const dictionary &interfaceDict, const phaseModel &phase1, const phaseModel &phase2)
Construct from components.
dimensionedSymmTensor sqr(const dimensionedVector &dv)
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
A class for managing temporary objects.
Definition: PtrList.H:118
virtual const phaseModel & dispersed() const
Dispersed phase.
defineTypeNameAndDebug(combustionModel, 0)
scalarField Re(const UList< complex > &cf)
Definition: complexFields.C:97