LaheyKEpsilon< BasicTurbulenceModel > Class Template Reference

Continuous-phase k-epsilon model including bubble-generated turbulence. More...

Inheritance diagram for LaheyKEpsilon< BasicTurbulenceModel >:

Collaboration diagram for LaheyKEpsilon< BasicTurbulenceModel >:

Public Types
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel
Public Types inherited from kEpsilon< BasicTurbulenceModel >
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel
Public Types inherited from eddyViscosity< RASModel< BasicTurbulenceModel > >
typedef RASModel< BasicTurbulenceModel > ::alphaField	alphaField
typedef RASModel< BasicTurbulenceModel > ::rhoField	rhoField
typedef RASModel< BasicTurbulenceModel > ::transportModel	transportModel
Public Types inherited from linearViscousStress< RASModel< BasicTurbulenceModel > >
typedef RASModel< BasicTurbulenceModel > ::alphaField	alphaField
typedef RASModel< BasicTurbulenceModel > ::rhoField	rhoField
typedef RASModel< BasicTurbulenceModel > ::transportModel	transportModel
Public Types inherited from RASModel< BasicTurbulenceModel >
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel

Public Member Functions
	TypeName ("LaheyKEpsilon")
	Runtime type information. More...
	LaheyKEpsilon (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName, const word &type=typeName)
	Construct from components. More...
virtual	~LaheyKEpsilon ()
	Destructor. More...
virtual bool	read ()
	Read model coefficients if they have changed. More...
virtual void	correct ()
	Solve the turbulence equations and correct the turbulence viscosity. More...
Public Member Functions inherited from kEpsilon< BasicTurbulenceModel >
	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 &propertiesName=turbulenceModel::propertiesName, const word &type=typeName)
	Construct from components. 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...
Public Member Functions inherited from eddyViscosity< RASModel< BasicTurbulenceModel > >
	eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName)
	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 >	R () const
	Return the Reynolds stress tensor. More...
virtual void	validate ()
	Validate the turbulence fields after construction. More...
Public Member Functions inherited from linearViscousStress< RASModel< BasicTurbulenceModel > >
	linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName)
	Construct from components. More...
virtual	~linearViscousStress ()
	Destructor. More...
virtual tmp< volSymmTensorField >	devRhoReff () const
	Return the effective stress tensor. More...
virtual tmp< fvVectorMatrix >	divDevRhoReff (volVectorField &U) const
	Return the source term for the momentum equation. More...
virtual tmp< fvVectorMatrix >	divDevRhoReff (const volScalarField &rho, volVectorField &U) const
	Return the source term for the momentum equation. More...
Public Member Functions inherited from RASModel< BasicTurbulenceModel >
	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, const word &propertiesName),(alpha, rho, U, alphaRhoPhi, phi, transport, propertiesName))
	RASModel (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName)
	Construct from components. 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...

Protected Member Functions
virtual void	correctNut ()
tmp< volScalarField >	bubbleG () const
tmp< volScalarField >	phaseTransferCoeff () const
virtual tmp< fvScalarMatrix >	kSource () const
virtual tmp< fvScalarMatrix >	epsilonSource () const
Protected Member Functions inherited from RASModel< BasicTurbulenceModel >
virtual void	printCoeffs (const word &type)
	Print model coefficients. More...

Protected Attributes
dimensionedScalar	alphaInversion_
dimensionedScalar	Cp_
dimensionedScalar	C3_
dimensionedScalar	Cmub_
Protected Attributes inherited from kEpsilon< BasicTurbulenceModel >
dimensionedScalar	Cmu_
dimensionedScalar	C1_
dimensionedScalar	C2_
dimensionedScalar	C3_
dimensionedScalar	sigmak_
dimensionedScalar	sigmaEps_
volScalarField	k_
volScalarField	epsilon_
Protected Attributes inherited from eddyViscosity< RASModel< BasicTurbulenceModel > >
volScalarField	nut_
Protected Attributes inherited from RASModel< BasicTurbulenceModel >
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< BasicTurbulenceModel >
static autoPtr< RASModel >	New (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName)
	Return a reference to the selected RAS model. More...

Detailed Description

template<class BasicTurbulenceModel>
class Foam::RASModels::LaheyKEpsilon< BasicTurbulenceModel >

Continuous-phase k-epsilon model including bubble-generated turbulence.

Reference:

    Lahey Jr, R. T. (2005).
    The simulation of multidimensional multiphase flows.
    Nuclear Engineering and Design, 235(10), 1043-1060.

The default model coefficients are

    LaheyKEpsilonCoeffs
    {
        Cmu             0.09;
        C1              1.44;
        C2              1.92;
        C3              -0.33;
        sigmak          1.0;
        sigmaEps        1.3;
        Cp              0.25;
        Cmub            0.6;
        alphaInversion  0.3;
    }

Source files

• LaheyKEpsilon.H
• LaheyKEpsilon.C

Definition at line 74 of file LaheyKEpsilon.H.

Member Typedef Documentation

alphaField

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 123 of file LaheyKEpsilon.H.

rhoField

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 124 of file LaheyKEpsilon.H.

transportModel

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 125 of file LaheyKEpsilon.H.

Constructor & Destructor Documentation

LaheyKEpsilon()

LaheyKEpsilon	(	const alphaField &	alpha,
		const rhoField &	rho,
		const volVectorField &	U,
		const surfaceScalarField &	alphaRhoPhi,
		const surfaceScalarField &	phi,
		const transportModel &	transport,
		const word &	propertiesName = turbulenceModel::propertiesName,
		const word &	type = typeName
	)

Construct from components.

Definition at line 42 of file LaheyKEpsilon.C.

~LaheyKEpsilon()

virtual ~LaheyKEpsilon ( )

inlinevirtual

Destructor.

Definition at line 149 of file LaheyKEpsilon.H.

References LaheyKEpsilon< BasicTurbulenceModel >::correct(), and LaheyKEpsilon< BasicTurbulenceModel >::read().

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Member Function Documentation

correctNut()

void correctNut ( )

protectedvirtual

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 168 of file LaheyKEpsilon.C.

References TurbulenceModel< volScalarField, volScalarField, compressibleTurbulenceModel, TransportModel >::alpha(), optionList::correct(), Foam::mag(), options::New(), Foam::sqr(), TurbulenceModel< volScalarField, volScalarField, compressibleTurbulenceModel, TransportModel >::transport(), and turbulenceModel::U().

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bubbleG()

tmp< volScalarField > bubbleG ( ) const

protected

Definition at line 186 of file LaheyKEpsilon.C.

References dragModel::CdRe(), drag, fluid, twoPhaseSystem::lookupSubModel(), Foam::mag(), twoPhaseSystem::otherPhase(), Foam::pow(), Foam::pow3(), and turbulenceModel::U().

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phaseTransferCoeff()

tmp< volScalarField > phaseTransferCoeff ( ) const

protected

Definition at line 217 of file LaheyKEpsilon.C.

References TimeState::deltaT(), turbulenceModel::epsilon(), turbulenceModel::k(), Foam::max(), Foam::min(), and IOobject::time().

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kSource()

tmp< fvScalarMatrix > kSource ( ) const

protectedvirtual

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 235 of file LaheyKEpsilon.C.

References turbulenceModel::k(), and Foam::fvm::Sp().

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epsilonSource()

tmp< fvScalarMatrix > epsilonSource ( ) const

protectedvirtual

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 253 of file LaheyKEpsilon.C.

References turbulenceModel::epsilon(), and Foam::fvm::Sp().

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TypeName()

TypeName

(

"LaheyKEpsilon< BasicTurbulenceModel >"

)

Runtime type information.

read()

bool read ( )

virtual

Read model coefficients if they have changed.

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 117 of file LaheyKEpsilon.C.

References IOobject::db(), fluid, IOobject::groupName(), objectRegistry::lookupObject(), twoPhaseSystem::otherPhase(), and turbulenceModel::propertiesName.

Referenced by LaheyKEpsilon< BasicTurbulenceModel >::~LaheyKEpsilon().

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correct()

void correct ( )

virtual

Solve the turbulence equations and correct the turbulence viscosity.

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 271 of file LaheyKEpsilon.C.

References kEpsilon< BasicTurbulenceModel >::correct().

Referenced by LaheyKEpsilon< BasicTurbulenceModel >::~LaheyKEpsilon().

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Member Data Documentation

alphaInversion_

dimensionedScalar alphaInversion_

protected

Definition at line 106 of file LaheyKEpsilon.H.

Cp_

dimensionedScalar Cp_

protected

Definition at line 107 of file LaheyKEpsilon.H.

C3_

dimensionedScalar C3_

protected

Definition at line 108 of file LaheyKEpsilon.H.

Cmub_

dimensionedScalar Cmub_

protected

Definition at line 109 of file LaheyKEpsilon.H.

---

The documentation for this class was generated from the following files:

• src/TurbulenceModels/phaseCompressible/RAS/LaheyKEpsilon/LaheyKEpsilon.H
• src/TurbulenceModels/phaseCompressible/RAS/LaheyKEpsilon/LaheyKEpsilon.C