DistortedSphereDragForce.H
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23 
24 Class
25  Foam::DistortedSphereDragForce
26 
27 Description
28  Drag model based on assumption of distorted spheres according to:
29 
30  \verbatim
31  "Effects of Drop Drag and Breakup on Fuel Sprays"
32  Liu, A.B., Mather, D., Reitz, R.D.,
33  SAE Paper 930072,
34  SAE Transactions, Vol. 102, Section 3, Journal of Engines, 1993,
35  pp. 63-95
36  \endverbatim
37 
38 \*---------------------------------------------------------------------------*/
39 
40 #ifndef DistortedSphereDragForce_H
41 #define DistortedSphereDragForce_H
42 
43 #include "ParticleForce.H"
44 
45 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
46 
47 namespace Foam
48 {
49 /*---------------------------------------------------------------------------*\
50  Class DistortedSphereDragForce Declaration
51 \*---------------------------------------------------------------------------*/
52 
53 template<class CloudType>
55 :
56  public ParticleForce<CloudType>
57 {
58  // Private Member Functions
59 
60  //- Drag coefficient multiplied by Reynolds number
61  scalar CdRe(const scalar Re) const;
62 
63 
64 public:
65 
66  //- Runtime type information
67  TypeName("distortedSphereDrag");
68 
69 
70  // Constructors
71 
72  //- Construct from mesh
74  (
76  const fvMesh& mesh,
77  const dictionary& dict
78  );
79 
80  //- Construct copy
82 
83  //- Construct and return a clone
85  {
87  (
89  );
90  }
91 
92 
93  //- Destructor
94  virtual ~DistortedSphereDragForce();
95 
96 
97  // Member Functions
98 
99  // Evaluation
100 
101  //- Calculate the coupled force
102  virtual forceSuSp calcCoupled
103  (
104  const typename CloudType::parcelType& p,
105  const typename CloudType::parcelType::trackingData& td,
106  const scalar dt,
107  const scalar mass,
108  const scalar Re,
109  const scalar muc
110  ) const;
111 };
112 
113 
114 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
115 
116 } // End namespace Foam
117 
118 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
119 
120 #ifdef NoRepository
121  #include "DistortedSphereDragForce.C"
122 #endif
123 
124 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
125 
126 #endif
127 
128 // ************************************************************************* //
dictionary dict
A list of keyword definitions, which are a keyword followed by any number of values (e...
Definition: dictionary.H:137
DistortedSphereDragForce(CloudType &owner, const fvMesh &mesh, const dictionary &dict)
Construct from mesh.
const fvMesh & mesh() const
Return the mesh database.
Abstract base class for particle forces.
Definition: ParticleForce.H:53
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.
const CloudType & owner() const
Return const access to the cloud owner.
virtual autoPtr< ParticleForce< CloudType > > clone() const
Construct and return a clone.
Helper container for force Su and Sp terms.
Definition: forceSuSp.H:61
Drag model based on assumption of distorted spheres according to:
TypeName("distortedSphereDrag")
Runtime type information.
virtual ~DistortedSphereDragForce()
Destructor.
ParcelType parcelType
Type of parcel the cloud was instantiated for.
Definition: DSMCCloud.H:218
Mesh data needed to do the Finite Volume discretisation.
Definition: fvMesh.H:78
An auto-pointer similar to the STL auto_ptr but with automatic casting to a reference to the type and...
Definition: PtrList.H:52
volScalarField & p
Templated base class for dsmc cloud.
Definition: DSMCCloud.H:69
scalarField Re(const UList< complex > &cf)
Definition: complexFields.C:97
Namespace for OpenFOAM.