Additional buoyancy generation/dissipation term applied to the k and epsilon equations of the standard k-epsilon model. More...
Public Types | |
typedef BasicMomentumTransportModel::alphaField | alphaField |
typedef BasicMomentumTransportModel::rhoField | rhoField |
typedef BasicMomentumTransportModel::transportModel | transportModel |
Public Types inherited from kEpsilon< BasicMomentumTransportModel > | |
typedef BasicMomentumTransportModel::alphaField | alphaField |
typedef BasicMomentumTransportModel::rhoField | rhoField |
typedef BasicMomentumTransportModel::transportModel | transportModel |
Public Types inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > > | |
typedef RASModel< BasicMomentumTransportModel > ::alphaField | alphaField |
typedef RASModel< BasicMomentumTransportModel > ::rhoField | rhoField |
typedef RASModel< BasicMomentumTransportModel > ::transportModel | transportModel |
Public Types inherited from linearViscousStress< RASModel< BasicMomentumTransportModel > > | |
typedef RASModel< BasicMomentumTransportModel > ::alphaField | alphaField |
typedef RASModel< BasicMomentumTransportModel > ::rhoField | rhoField |
typedef RASModel< BasicMomentumTransportModel > ::transportModel | transportModel |
Public Types inherited from RASModel< BasicMomentumTransportModel > | |
typedef BasicMomentumTransportModel::alphaField | alphaField |
typedef BasicMomentumTransportModel::rhoField | rhoField |
typedef BasicMomentumTransportModel::transportModel | transportModel |
Public Member Functions | |
TypeName ("buoyantKEpsilon") | |
Runtime type information. More... | |
buoyantKEpsilon (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &type=typeName) | |
Construct from components. More... | |
buoyantKEpsilon (const buoyantKEpsilon &)=delete | |
Disallow default bitwise copy construction. More... | |
virtual | ~buoyantKEpsilon () |
Destructor. More... | |
virtual bool | read () |
Re-read model coefficients if they have changed. More... | |
void | operator= (const buoyantKEpsilon &)=delete |
Disallow default bitwise assignment. More... | |
Public Member Functions inherited from kEpsilon< BasicMomentumTransportModel > | |
TypeName ("kEpsilon") | |
Runtime type information. More... | |
kEpsilon (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &type=typeName) | |
Construct from components. More... | |
kEpsilon (const kEpsilon &)=delete | |
Disallow default bitwise copy construction. More... | |
virtual | ~kEpsilon () |
Destructor. More... | |
tmp< volScalarField > | DkEff () const |
Return the effective diffusivity for k. More... | |
tmp< volScalarField > | DepsilonEff () const |
Return the effective diffusivity for epsilon. More... | |
virtual tmp< volScalarField > | k () const |
Return the turbulence kinetic energy. More... | |
virtual tmp< volScalarField > | epsilon () const |
Return the turbulence kinetic energy dissipation rate. More... | |
virtual void | correct () |
Solve the turbulence equations and correct the turbulence viscosity. More... | |
void | operator= (const kEpsilon &)=delete |
Disallow default bitwise assignment. More... | |
Public Member Functions inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > > | |
eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport) | |
Construct from components. More... | |
virtual | ~eddyViscosity () |
Destructor. More... | |
virtual tmp< volScalarField > | nut () const |
Return the turbulence viscosity. More... | |
virtual tmp< scalarField > | nut (const label patchi) const |
Return the turbulence viscosity on patch. More... | |
virtual tmp< volSymmTensorField > | sigma () const |
Return the Reynolds stress tensor [m^2/s^2]. More... | |
virtual void | validate () |
Validate the turbulence fields after construction. More... | |
Public Member Functions inherited from linearViscousStress< RASModel< BasicMomentumTransportModel > > | |
linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport) | |
Construct from components. More... | |
virtual | ~linearViscousStress () |
Destructor. More... | |
virtual tmp< volSymmTensorField > | devTau () const |
Return the effective stress tensor. More... | |
virtual tmp< fvVectorMatrix > | divDevTau (volVectorField &U) const |
Return the source term for the momentum equation. More... | |
virtual tmp< fvVectorMatrix > | divDevTau (const volScalarField &rho, volVectorField &U) const |
Return the source term for the momentum equation. More... | |
Public Member Functions inherited from RASModel< BasicMomentumTransportModel > | |
TypeName ("RAS") | |
Runtime type information. More... | |
declareRunTimeSelectionTable (autoPtr, RASModel, dictionary,(const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport),(alpha, rho, U, alphaRhoPhi, phi, transport)) | |
RASModel (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport) | |
Construct from components. More... | |
RASModel (const RASModel &)=delete | |
Disallow default bitwise copy construction. More... | |
virtual | ~RASModel () |
Destructor. More... | |
const dimensionedScalar & | kMin () const |
Return the lower allowable limit for k (default: small) More... | |
const dimensionedScalar & | epsilonMin () const |
Return the lower allowable limit for epsilon (default: small) More... | |
const dimensionedScalar & | omegaMin () const |
Return the lower allowable limit for omega (default: small) More... | |
dimensionedScalar & | kMin () |
Allow kMin to be changed. More... | |
dimensionedScalar & | epsilonMin () |
Allow epsilonMin to be changed. More... | |
dimensionedScalar & | omegaMin () |
Allow omegaMin to be changed. More... | |
virtual const dictionary & | coeffDict () const |
Const access to the coefficients dictionary. More... | |
virtual tmp< volScalarField > | nuEff () const |
Return the effective viscosity. More... | |
virtual tmp< scalarField > | nuEff (const label patchi) const |
Return the effective viscosity on patch. More... | |
void | operator= (const RASModel &)=delete |
Disallow default bitwise assignment. More... | |
Protected Member Functions | |
tmp< volScalarField > | Gcoef () const |
virtual tmp< fvScalarMatrix > | kSource () const |
virtual tmp< fvScalarMatrix > | epsilonSource () const |
Protected Member Functions inherited from kEpsilon< BasicMomentumTransportModel > | |
virtual void | correctNut () |
Protected Member Functions inherited from RASModel< BasicMomentumTransportModel > | |
virtual void | printCoeffs (const word &type) |
Print model coefficients. More... | |
Protected Attributes | |
dimensionedScalar | Cg_ |
Protected Attributes inherited from kEpsilon< BasicMomentumTransportModel > | |
dimensionedScalar | Cmu_ |
dimensionedScalar | C1_ |
dimensionedScalar | C2_ |
dimensionedScalar | C3_ |
dimensionedScalar | sigmak_ |
dimensionedScalar | sigmaEps_ |
volScalarField | k_ |
volScalarField | epsilon_ |
Protected Attributes inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > > | |
volScalarField | nut_ |
Protected Attributes inherited from RASModel< BasicMomentumTransportModel > | |
dictionary | RASDict_ |
RAS coefficients dictionary. More... | |
Switch | turbulence_ |
Turbulence on/off flag. More... | |
Switch | printCoeffs_ |
Flag to print the model coeffs at run-time. More... | |
dictionary | coeffDict_ |
Model coefficients dictionary. More... | |
dimensionedScalar | kMin_ |
Lower limit of k. More... | |
dimensionedScalar | epsilonMin_ |
Lower limit of epsilon. More... | |
dimensionedScalar | omegaMin_ |
Lower limit for omega. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from RASModel< BasicMomentumTransportModel > | |
static autoPtr< RASModel > | New (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport) |
Return a reference to the selected RAS model. More... | |
Additional buoyancy generation/dissipation term applied to the k and epsilon equations of the standard k-epsilon model.
Henkes, R.A.W.M., Van Der Vlugt, F.F. & Hoogendoorn, C.J. (1991). Natural Convection Flow in a Square Cavity Calculated with Low-Reynolds-Number Turbulence Models. Int. J. Heat Mass Transfer, 34, 1543-1557.
This implementation is based on the density rather than temperature gradient extending the applicability to systems in which the density gradient may be generated by variation of composition rather than temperature. Further, the 1/Prt coefficient is replaced by Cg to provide more general control of model.
The default model coefficients are
buoyantKEpsilonCoeffs { Cg 1.0; }
Definition at line 77 of file buoyantKEpsilon.H.
typedef BasicMomentumTransportModel::alphaField alphaField |
Definition at line 100 of file buoyantKEpsilon.H.
typedef BasicMomentumTransportModel::rhoField rhoField |
Definition at line 101 of file buoyantKEpsilon.H.
typedef BasicMomentumTransportModel::transportModel transportModel |
Definition at line 102 of file buoyantKEpsilon.H.
buoyantKEpsilon | ( | const alphaField & | alpha, |
const rhoField & | rho, | ||
const volVectorField & | U, | ||
const surfaceScalarField & | alphaRhoPhi, | ||
const surfaceScalarField & | phi, | ||
const transportModel & | transport, | ||
const word & | type = typeName |
||
) |
Construct from components.
Definition at line 42 of file buoyantKEpsilon.C.
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delete |
Disallow default bitwise copy construction.
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inlinevirtual |
Destructor.
Definition at line 128 of file buoyantKEpsilon.H.
References buoyantKEpsilon< BasicMomentumTransportModel >::operator=(), and buoyantKEpsilon< BasicMomentumTransportModel >::read().
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protected |
Definition at line 100 of file buoyantKEpsilon.C.
References g, and Foam::fvc::grad().
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protectedvirtual |
Reimplemented from kEpsilon< BasicMomentumTransportModel >.
Definition at line 114 of file buoyantKEpsilon.C.
References g, kEpsilon< BasicMomentumTransportModel >::kSource(), Foam::mag(), Foam::fvm::SuSp(), and dimensioned< Type >::value().
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protectedvirtual |
Reimplemented from kEpsilon< BasicMomentumTransportModel >.
Definition at line 133 of file buoyantKEpsilon.C.
References Foam::dimVelocity, kEpsilon< BasicMomentumTransportModel >::epsilonSource(), g, Foam::mag(), Foam::fvm::SuSp(), Foam::tanh(), and dimensioned< Type >::value().
TypeName | ( | "buoyantKEpsilon< BasicMomentumTransportModel >" | ) |
Runtime type information.
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virtual |
Re-read model coefficients if they have changed.
Reimplemented from kEpsilon< BasicMomentumTransportModel >.
Definition at line 83 of file buoyantKEpsilon.C.
Referenced by buoyantKEpsilon< BasicMomentumTransportModel >::~buoyantKEpsilon().
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delete |
Disallow default bitwise assignment.
Referenced by buoyantKEpsilon< BasicMomentumTransportModel >::~buoyantKEpsilon().
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protected |
Definition at line 87 of file buoyantKEpsilon.H.