basicXiSubXiEq.C
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25 
26 #include "basicXiSubXiEq.H"
28 
29 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
30 
31 namespace Foam
32 {
33 namespace XiEqModels
34 {
35  defineTypeNameAndDebug(basicSubGrid, 0);
36  addToRunTimeSelectionTable(XiEqModel, basicSubGrid, dictionary);
37 }
38 }
39 
40 
41 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
42 
43 Foam::XiEqModels::basicSubGrid::basicSubGrid
44 (
45  const dictionary& XiEqProperties,
46  const psiuReactionThermo& thermo,
48  const volScalarField& Su
49 )
50 :
51  XiEqModel(XiEqProperties, thermo, turbulence, Su),
52 
53  B_
54  (
55  IOobject
56  (
57  "B",
58  Su.mesh().facesInstance(),
59  Su.mesh(),
60  IOobject::MUST_READ,
61  IOobject::NO_WRITE
62  ),
63  Su.mesh()
64  ),
65 
66  XiEqModel_(XiEqModel::New(XiEqModelCoeffs_, thermo, turbulence, Su))
67 {}
68 
69 
70 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
71 
73 {}
74 
75 
76 // * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
77 
79 {
80  const fvMesh& mesh = Su_.mesh();
81  const volVectorField& U = mesh.lookupObject<volVectorField>("U");
82 
83  const volScalarField& Nv = mesh.lookupObject<volScalarField>("Nv");
84  const volSymmTensorField& nsv =
85  mesh.lookupObject<volSymmTensorField>("nsv");
86 
87  volScalarField magU(mag(U));
88  volVectorField Uhat
89  (
90  U/(mag(U) + dimensionedScalar("Usmall", U.dimensions(), 1e-4))
91  );
92 
93  const scalarField Cw = pow(mesh.V(), 2.0/3.0);
94 
96  (
97  IOobject
98  (
99  "N",
100  mesh.time().constant(),
101  mesh,
104  ),
105  mesh,
106  dimensionedScalar("zero", Nv.dimensions(), 0.0)
107  );
108  N.primitiveFieldRef() = Nv.primitiveField()*Cw;
109 
111  (
112  IOobject
113  (
114  "ns",
115  U.mesh().time().timeName(),
116  U.mesh(),
119  ),
120  U.mesh(),
122  (
123  "zero",
124  nsv.dimensions(),
125  Zero
126  )
127  );
128  ns.primitiveFieldRef() = nsv.primitiveField()*Cw;
129 
130  volScalarField n(max(N - (Uhat & ns & Uhat), scalar(1e-4)));
131  volScalarField b((Uhat & B_ & Uhat)/sqrt(n));
132  volScalarField up(sqrt((2.0/3.0)*turbulence_.k()));
133 
134  volScalarField XiSubEq
135  (
136  scalar(1)
137  + max(2.2*sqrt(b), min(0.34*magU/up*sqrt(b), scalar(1.6)))
138  * min(n, scalar(1))
139  );
140 
141  return (XiSubEq*XiEqModel_->XiEq());
142 }
143 
144 
145 bool Foam::XiEqModels::basicSubGrid::read(const dictionary& XiEqProperties)
146 {
147  XiEqModel::read(XiEqProperties);
148 
149  return XiEqModel_->read(XiEqModelCoeffs_);
150 }
151 
152 
153 // ************************************************************************* //
GeometricField< symmTensor, fvPatchField, volMesh > volSymmTensorField
Definition: volFieldsFwd.H:58
zeroField Su
Definition: alphaSuSp.H:1
dimensioned< Type > max(const dimensioned< Type > &, const dimensioned< Type > &)
dimensionedScalar sqrt(const dimensionedScalar &ds)
virtual bool read(const dictionary &XiEqProperties)=0
Update properties from given dictionary.
rhoReactionThermo & thermo
Definition: createFields.H:28
GeometricField< vector, fvPatchField, volMesh > volVectorField
Definition: volFieldsFwd.H:55
Macros for easy insertion into run-time selection tables.
tmp< DimensionedField< TypeR, GeoMesh > > New(const tmp< DimensionedField< TypeR, GeoMesh >> &tdf1, const word &name, const dimensionSet &dimensions)
GeometricField< scalar, fvPatchField, volMesh > volScalarField
Definition: volFieldsFwd.H:52
dynamicFvMesh & mesh
const dimensionedScalar b
Wien displacement law constant: default SI units: [m.K].
Definition: createFields.H:27
Field< scalar > scalarField
Specialisation of Field<T> for scalar.
virtual tmp< volScalarField > XiEq() const
Return the flame-wrinking XiEq.
static const zero Zero
Definition: zero.H:97
virtual ~basicSubGrid()
Destructor.
addToRunTimeSelectionTable(ensightPart, ensightPartCells, istream)
Info<< "Reading field U\"<< endl;volVectorField U(IOobject("U", runTime.timeName(), mesh, IOobject::MUST_READ, IOobject::AUTO_WRITE), mesh);volScalarField rho(IOobject("rho", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::AUTO_WRITE), thermo.rho());volVectorField rhoU(IOobject("rhoU", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::NO_WRITE), rho *U);volScalarField rhoE(IOobject("rhoE", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::NO_WRITE), rho *(e+0.5 *magSqr(U)));surfaceScalarField pos(IOobject("pos", runTime.timeName(), mesh), mesh, dimensionedScalar("pos", dimless, 1.0));surfaceScalarField neg(IOobject("neg", runTime.timeName(), mesh), mesh, dimensionedScalar("neg", dimless, -1.0));surfaceScalarField phi("phi", fvc::flux(rhoU));Info<< "Creating turbulence model\"<< endl;autoPtr< compressible::turbulenceModel > turbulence(compressible::turbulenceModel::New(rho, U, phi, thermo))
Definition: createFields.H:94
defineTypeNameAndDebug(combustionModel, 0)
virtual bool read(const dictionary &XiEqProperties)
Update properties from given dictionary.
dimensioned< symmTensor > dimensionedSymmTensor
Dimensioned tensor obtained from generic dimensioned type.
RASModel< EddyDiffusivity< turbulenceModel > > RASModel
dimensioned< Type > min(const dimensioned< Type > &, const dimensioned< Type > &)
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
dimensioned< scalar > dimensionedScalar
Dimensioned scalar obtained from generic dimensioned type.
label N
Definition: createFields.H:22
dimensioned< scalar > mag(const dimensioned< Type > &)
label n
const doubleScalar e
Elementary charge.
Definition: doubleScalar.H:98
A class for managing temporary objects.
Definition: PtrList.H:53
Namespace for OpenFOAM.