Standard k-epsilon turbulence model for incompressible and compressible flows including rapid distortion theory (RDT) based compression term. More...
Public Types | |
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 ("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... | |
virtual bool | read () |
Re-read model coefficients if they have changed. 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 | |
virtual void | correctNut () |
virtual tmp< fvScalarMatrix > | kSource () const |
virtual tmp< fvScalarMatrix > | epsilonSource () const |
Protected Member Functions inherited from RASModel< BasicMomentumTransportModel > | |
virtual void | printCoeffs (const word &type) |
Print model coefficients. More... | |
Protected Attributes | |
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... | |
Standard k-epsilon turbulence model for incompressible and compressible flows including rapid distortion theory (RDT) based compression term.
Standard model: Launder, B. E., & Spalding, D. B. (1972). Lectures in mathematical models of turbulence. Launder, B. E., & Spalding, D. B. (1974). The numerical computation of turbulent flows. Computer methods in applied mechanics and engineering, 3(2), 269-289. For the RDT-based compression term: El Tahry, S. H. (1983). k-epsilon equation for compressible reciprocating engine flows. Journal of Energy, 7(4), 345-353.
The default model coefficients are
kEpsilonCoeffs { Cmu 0.09; C1 1.44; C2 1.92; C3 -0.33; sigmak 1.0; sigmaEps 1.3; }
Definition at line 83 of file kEpsilon.H.
typedef BasicMomentumTransportModel::alphaField alphaField |
Definition at line 115 of file kEpsilon.H.
typedef BasicMomentumTransportModel::rhoField rhoField |
Definition at line 116 of file kEpsilon.H.
typedef BasicMomentumTransportModel::transportModel transportModel |
Definition at line 117 of file kEpsilon.H.
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.
Definition at line 82 of file kEpsilon.C.
Referenced by kEpsilon< compressible::momentumTransportModel >::epsilonSource().
Disallow default bitwise copy construction.
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inlinevirtual |
Destructor.
Definition at line 143 of file kEpsilon.H.
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protectedvirtual |
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Reimplemented in LaheyKEpsilon< BasicMomentumTransportModel >, and continuousGasKEpsilon< BasicMomentumTransportModel >.
Definition at line 40 of file kEpsilon.C.
Referenced by continuousGasKEpsilon< BasicMomentumTransportModel >::correctNut().
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protectedvirtual |
Reimplemented in LaheyKEpsilon< BasicMomentumTransportModel >, continuousGasKEpsilon< BasicMomentumTransportModel >, and buoyantKEpsilon< BasicMomentumTransportModel >.
Definition at line 49 of file kEpsilon.C.
Referenced by buoyantKEpsilon< BasicMomentumTransportModel >::kSource().
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protectedvirtual |
Reimplemented in LaheyKEpsilon< BasicMomentumTransportModel >, continuousGasKEpsilon< BasicMomentumTransportModel >, and buoyantKEpsilon< BasicMomentumTransportModel >.
Definition at line 64 of file kEpsilon.C.
Referenced by buoyantKEpsilon< BasicMomentumTransportModel >::epsilonSource().
TypeName | ( | "kEpsilon< BasicMomentumTransportModel >" | ) |
Runtime type information.
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virtual |
Re-read model coefficients if they have changed.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Reimplemented in LaheyKEpsilon< BasicMomentumTransportModel >, continuousGasKEpsilon< BasicMomentumTransportModel >, buoyantKEpsilon< BasicMomentumTransportModel >, and PDRkEpsilon.
Definition at line 196 of file kEpsilon.C.
Referenced by kEpsilon< compressible::momentumTransportModel >::~kEpsilon().
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inline |
Return the effective diffusivity for k.
Definition at line 153 of file kEpsilon.H.
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inline |
Return the effective diffusivity for epsilon.
Definition at line 163 of file kEpsilon.H.
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inlinevirtual |
Return the turbulence kinetic energy.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Definition at line 173 of file kEpsilon.H.
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inlinevirtual |
Return the turbulence kinetic energy dissipation rate.
Definition at line 179 of file kEpsilon.H.
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virtual |
Solve the turbulence equations and correct the turbulence viscosity.
Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.
Reimplemented in LaheyKEpsilon< BasicMomentumTransportModel >, and PDRkEpsilon.
Definition at line 217 of file kEpsilon.C.
Referenced by LaheyKEpsilon< BasicMomentumTransportModel >::correct(), and kEpsilon< compressible::momentumTransportModel >::epsilon().
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delete |
Disallow default bitwise assignment.
Referenced by kEpsilon< compressible::momentumTransportModel >::epsilon().
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protected |
Definition at line 93 of file kEpsilon.H.
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protected |
Definition at line 94 of file kEpsilon.H.
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protected |
Definition at line 95 of file kEpsilon.H.
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protected |
Definition at line 96 of file kEpsilon.H.
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protected |
Definition at line 97 of file kEpsilon.H.
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protected |
Definition at line 98 of file kEpsilon.H.
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protected |
Definition at line 102 of file kEpsilon.H.
Referenced by kEpsilon< compressible::momentumTransportModel >::k().
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protected |
Definition at line 103 of file kEpsilon.H.
Referenced by kEpsilon< compressible::momentumTransportModel >::epsilon().