basicXiSubG.C
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25 
26 #include "basicXiSubG.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace XiGModels
34 {
37 };
38 };
39 
40 
41 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
42 
44 (
45  const dictionary& XiGProperties,
48  const volScalarField& Su
49 )
50 :
51  XiGModel(XiGProperties, thermo, turbulence, Su),
52  k1(XiGModelCoeffs_.lookup<scalar>("k1")),
53  XiGModel_(XiGModel::New(XiGModelCoeffs_, thermo, turbulence, Su))
54 {}
55 
56 
57 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
58 
60 {}
61 
62 
63 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
64 
66 {
67  const objectRegistry& db = Su_.db();
68  const volVectorField& U = db.lookupObject<volVectorField>("U");
69  const volScalarField& Nv = db.lookupObject<volScalarField>("Nv");
70  const volScalarField& Lobs = db.lookupObject<volScalarField>("Lobs");
71 
72  tmp<volScalarField> tGtot = XiGModel_->G();
73  volScalarField& Gtot = tGtot.ref();
74 
75  const scalarField Cw = pow(Su_.mesh().V(), 2.0/3.0);
76  scalarField N(Nv.primitiveField()*Cw);
77 
78  forAll(N, celli)
79  {
80  if (N[celli] > 1e-3)
81  {
82  Gtot[celli] += k1*mag(U[celli])/Lobs[celli];
83  }
84  }
85 
86  return tGtot;
87 }
88 
89 
91 {
92  const objectRegistry& db = Su_.db();
93  const volScalarField& Xi = db.lookupObject<volScalarField>("Xi");
94  const volScalarField& rho = db.lookupObject<volScalarField>("rho");
95  const volScalarField& mgb = db.lookupObject<volScalarField>("mgb");
96  const volScalarField& Lobs = db.lookupObject<volScalarField>("Lobs");
97 
98  return XiGModel_->Db()
99  + rho*Su_*(Xi - 1.0)*mgb*(0.5*Lobs)*Lobs/(mgb*Lobs + 1.0);
100 }
101 
102 
104 {
105  XiGModel::read(XiGProperties);
106 
107  XiGModelCoeffs_.lookup("k1") >> k1;
108 
109  return true;
110 }
111 
112 
113 // ************************************************************************* //
#define forAll(list, i)
Loop across all elements in list.
Definition: UList.H:434
Macros for easy insertion into run-time selection tables.
Generic GeometricField class.
const objectRegistry & db() const
Return the local objectRegistry.
Definition: IOobject.C:312
Base-class for all Xi generation models used by the b-Xi combustion model. See Technical Report SH/RE...
Definition: XiGModel.H:55
virtual bool read(const dictionary &XiGProperties)=0
Update properties from given dictionary.
Definition: XiGModel.C:68
Basic sub-grid obstacle flame-wrinkling generation rate coefficient model. Details supplied by J Putt...
Definition: basicXiSubG.H:71
virtual bool read(const dictionary &XiGProperties)
Update properties from given dictionary.
Definition: basicXiSubG.C:103
virtual ~basicSubGrid()
Destructor.
Definition: basicXiSubG.C:59
basicSubGrid(const dictionary &XiGProperties, const psiuMulticomponentThermo &thermo, const compressible::RASModel &turbulence, const volScalarField &Su)
Construct from components.
Definition: basicXiSubG.C:44
virtual tmp< volScalarField > G() const
Return the flame-wrinkling generation rate.
Definition: basicXiSubG.C:65
virtual tmp< volScalarField > Db() const
Return the flame diffusivity.
Definition: basicXiSubG.C:90
A list of keyword definitions, which are a keyword followed by any number of values (e....
Definition: dictionary.H:162
Registry of regIOobjects.
const Type & lookupObject(const word &name) const
Lookup and return the object of the given Type and name.
Base-class for combustion fluid thermodynamic properties based on compressibility.
A class for managing temporary objects.
Definition: tmp.H:55
U
Definition: pEqn.H:72
addToRunTimeSelectionTable(XiGModel, basicSubGrid, dictionary)
defineTypeNameAndDebug(basicSubGrid, 0)
autoPtr< CompressibleMomentumTransportModel > New(const volScalarField &rho, const volVectorField &U, const surfaceScalarField &phi, const viscosity &viscosity)
RASModel< momentumTransportModel > RASModel
Typedefs for turbulence, RAS and LES models for compressible flow based on the standard laminar trans...
tmp< VolField< Type > > Su(const VolField< Type > &su, const VolField< Type > &vf)
Definition: fvcSup.C:44
Namespace for OpenFOAM.
const doubleScalar e
Definition: doubleScalar.H:106
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensioned< scalar > mag(const dimensioned< Type > &)
autoPtr< incompressible::momentumTransportModel > turbulence(incompressible::momentumTransportModel::New(U, phi, viscosity))
fluidMulticomponentThermo & thermo
Definition: createFields.H:31