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 BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel
Public Types inherited from linearViscousStress< 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 ()=default
	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 ()=default
	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...
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 ()=default
	Destructor. More...
virtual bool	read ()=0
	Re-read model coefficients if they have changed. 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< volScalarField >	k () const=0
	Return the turbulence kinetic energy. More...
virtual tmp< volSymmTensorField >	R () const
	Return the Reynolds stress tensor. More...
virtual void	validate ()
	Validate the turbulence fields after construction. More...
virtual void	correct ()=0
	Solve the turbulence equations and correct the turbulence viscosity. More...
Public Member Functions inherited from linearViscousStress< 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 ()=default
	Destructor. More...
virtual bool	read ()=0
	Re-read model coefficients if they have changed. More...
virtual tmp< volSymmTensorField >	devRhoReff () const
	Return the effective stress tensor. More...
virtual tmp< volSymmTensorField >	devRhoReff (const volVectorField &U) const
	Return the effective stress tensor based on a given velocity field. 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...
virtual void	correct ()=0
	Solve the turbulence equations and correct the turbulence viscosity. 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
virtual void	correctNut ()
virtual tmp< fvScalarMatrix >	kSource () const
virtual tmp< fvScalarMatrix >	epsilonSource () const
virtual void	correctNut ()=0

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_

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 80 of file LaheyKEpsilon.H.

Member Typedef Documentation

alphaField

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 131 of file LaheyKEpsilon.H.

rhoField

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 132 of file LaheyKEpsilon.H.

transportModel

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 133 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 44 of file LaheyKEpsilon.C.

References Foam::type().

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~LaheyKEpsilon()

virtual ~LaheyKEpsilon ( )

virtualdefault

Destructor.

Member Function Documentation

correctNut()

void correctNut

protectedvirtual

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 169 of file LaheyKEpsilon.C.

References TurbulenceModel< Alpha, Rho, BasicTurbulenceModel, TransportModel >::alpha(), GeometricField< Type, PatchField, GeoMesh >::correctBoundaryConditions(), Foam::mag(), Time::New(), Foam::sqr(), TurbulenceModel< Alpha, Rho, BasicTurbulenceModel, TransportModel >::transport(), and turbulenceModel::U().

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bubbleG()

tmp< volScalarField > bubbleG

protected

Definition at line 187 of file LaheyKEpsilon.C.

References drag, fluid, Foam::mag(), Foam::pow(), Foam::pow3(), and turbulenceModel::U().

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phaseTransferCoeff()

tmp< volScalarField > phaseTransferCoeff

protected

Definition at line 218 of file LaheyKEpsilon.C.

References alpha, turbulenceModel::epsilon(), turbulenceModel::k(), Foam::max(), Foam::min(), rho, and U.

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kSource()

tmp< fvScalarMatrix > kSource

protectedvirtual

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 236 of file LaheyKEpsilon.C.

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

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epsilonSource()

tmp< fvScalarMatrix > epsilonSource

protectedvirtual

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 254 of file LaheyKEpsilon.C.

References alpha, turbulenceModel::epsilon(), rho, 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 120 of file LaheyKEpsilon.C.

correct()

void correct

virtual

Solve the turbulence equations and correct the turbulence viscosity.

Reimplemented from kEpsilon< BasicTurbulenceModel >.

Definition at line 272 of file LaheyKEpsilon.C.

References kEpsilon< BasicTurbulenceModel >::correct().

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Member Data Documentation

alphaInversion_

dimensionedScalar alphaInversion_

protected

Definition at line 114 of file LaheyKEpsilon.H.

Cp_

dimensionedScalar Cp_

protected

Definition at line 115 of file LaheyKEpsilon.H.

C3_

dimensionedScalar C3_

protected

Definition at line 116 of file LaheyKEpsilon.H.

Cmub_

dimensionedScalar Cmub_

protected

Definition at line 117 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