general.C
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25 
26 #include "general.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace relativeVelocityModels
34 {
37 }
38 }
39 
40 
41 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
42 
44 (
45  const dictionary& dict,
48 )
49 :
51  a_("a", dimless, dict),
52  a1_("a1", dimless, dict),
53  Vc_("Vc", dimTime, dict),
54  residualAlpha_("residualAlpha", dimless, dict)
55 {}
56 
57 
58 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
59 
61 {}
62 
63 
64 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
65 
67 {
68  const volScalarField& alphad = mixture_.alphad();
69 
70  Udm_ =
71  (mixture_.rhoc()/mixture_.rho())*Vc_*acceleration()
72  *(
73  exp(-a_*max(alphad - residualAlpha_, scalar(0)))
74  - exp(-a1_*max(alphad - residualAlpha_, scalar(0)))
75  );
76 }
77 
78 
79 // ************************************************************************* //
Macros for easy insertion into run-time selection tables.
Generic GeometricField class.
A list of keyword definitions, which are a keyword followed by any number of values (e....
Definition: dictionary.H:160
Class to represent a mixture of two constant density phases.
General relative velocity model.
Definition: general.H:53
virtual void correct()
Update the diffusion velocity.
Definition: general.C:66
general(const dictionary &dict, const incompressibleDriftFluxMixture &mixture, const uniformDimensionedVectorField &g)
Construct from components.
Definition: general.C:44
addToRunTimeSelectionTable(relativeVelocityModel, general, dictionary)
Namespace for OpenFOAM.
dimensionedScalar exp(const dimensionedScalar &ds)
const dimensionSet dimless
const dimensionSet dimTime
layerAndWeight max(const layerAndWeight &a, const layerAndWeight &b)
dictionary dict