SchillerNaumannDragForce.C
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27 
28 // * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * //
29 
30 template<class CloudType>
32 {
33  if (Re > 1000.0)
34  {
35  return 0.44*Re;
36  }
37  else
38  {
39  return 24.0*(1.0 + 0.15*pow(Re, 0.687));
40  }
41 }
42 
43 
44 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
45 
46 template<class CloudType>
48 (
49  CloudType& owner,
50  const fvMesh& mesh,
51  const dictionary& dict
52 )
53 :
54  ParticleForce<CloudType>(owner, mesh, dict, typeName, false)
55 {}
56 
57 
58 template<class CloudType>
60 (
62 )
63 :
65 {}
66 
67 
68 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
69 
70 template<class CloudType>
72 {}
73 
74 
75 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
76 
77 template<class CloudType>
79 (
80  const typename CloudType::parcelType& p,
81  const typename CloudType::parcelType::trackingData& td,
82  const scalar dt,
83  const scalar mass,
84  const scalar Re,
85  const scalar muc
86 ) const
87 {
88  return forceSuSp(Zero, mass*0.75*muc*CdRe(Re)/(p.rho()*sqr(p.d())));
89 }
90 
91 
92 // ************************************************************************* //
Schiller-Naumann drag model for spheres.
dictionary dict
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:156
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.
dimensionedSymmTensor sqr(const dimensionedVector &dv)
Abstract base class for particle forces.
Definition: ParticleForce.H:53
fvMesh & mesh
Helper container for force Su and Sp terms.
Definition: forceSuSp.H:61
SchillerNaumannDragForce(CloudType &owner, const fvMesh &mesh, const dictionary &dict)
Construct from mesh.
static const zero Zero
Definition: zero.H:97
ParcelType parcelType
Type of parcel the cloud was instantiated for.
Definition: DSMCCloud.H:221
virtual ~SchillerNaumannDragForce()
Destructor.
static scalar CdRe(const scalar Re)
Drag coefficient multiplied by Reynolds number.
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
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