PlessisMasliyahDragForce.C
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25 
27 #include "volFields.H"
28 
29 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
30 
31 template<class CloudType>
33 (
34  CloudType& owner,
35  const fvMesh& mesh,
36  const dictionary& dict
37 )
38 :
39  DenseDragForce<CloudType>(owner, mesh, dict, typeName)
40 {}
41 
42 
43 template<class CloudType>
45 (
47 )
48 :
50 {}
51 
52 
53 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
54 
55 template<class CloudType>
57 {}
58 
59 
60 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
61 
62 template<class CloudType>
64 (
65  const typename CloudType::parcelType& p,
66  const typename CloudType::parcelType::trackingData& td,
67  const scalar dt,
68  const scalar mass,
69  const scalar Re,
70  const scalar muc
71 ) const
72 {
73  const scalar alphac =
74  this->alphacInterp().interpolate
75  (
76  p.coordinates(),
77  p.currentTetIndices()
78  );
79 
80  const scalar cbrtAlphap = pow(1 - alphac, 1.0/3.0);
81 
82  const scalar A =
83  26.8*pow3(alphac)
84  /(
85  sqr(cbrtAlphap)
86  *(1 - cbrtAlphap)
87  *sqr(1 - sqr(cbrtAlphap))
88  + small
89  );
90 
91  const scalar B =
92  sqr(alphac)
93  /sqr(1 - sqr(cbrtAlphap));
94 
95  return forceSuSp
96  (
97  Zero,
98  (mass/p.rho())
99  *(A*(1 - alphac)/alphac + B*Re)*muc/(alphac*sqr(p.d()))
100  );
101 }
102 
103 
104 // ************************************************************************* //
dictionary dict
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:156
dimensionedSymmTensor sqr(const dimensionedVector &dv)
fvMesh & mesh
Helper container for force Su and Sp terms.
Definition: forceSuSp.H:61
static const zero Zero
Definition: zero.H:97
PlessisMasliyahDragForce(CloudType &owner, const fvMesh &mesh, const dictionary &dict)
Construct from mesh.
virtual ~PlessisMasliyahDragForce()
Destructor.
ParcelType parcelType
Type of parcel the cloud was instantiated for.
Definition: DSMCCloud.H:221
Plessis-Masliyah drag model for spheres.
virtual forceSuSp calcCoupled(const typename CloudType::parcelType &p, const typename CloudType::parcelType::trackingData &td, const scalar dt, const scalar mass, const scalar Re, const scalar muc) const
Calculate the coupled force.
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensionedScalar pow3(const dimensionedScalar &ds)
Mesh data needed to do the Finite Volume discretisation.
Definition: fvMesh.H:95
Templated base class for dsmc cloud.
Definition: DSMCCloud.H:75
scalarField Re(const UList< complex > &cf)
Definition: complexFields.C:97