NicenoKEqn< BasicTurbulenceModel > Class Template Reference

One-equation SGS model for the continuous phase in a two-phase system including bubble-generated turbulence. More...

Inheritance diagram for NicenoKEqn< BasicTurbulenceModel >:

Collaboration diagram for NicenoKEqn< BasicTurbulenceModel >:

Public Types
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel
Public Types inherited from kEqn< BasicTurbulenceModel >
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel
Public Types inherited from LESeddyViscosity< BasicTurbulenceModel >
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel
Public Types inherited from eddyViscosity< LESModel< 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 ("NicenoKEqn")
	Runtime type information. More...
	NicenoKEqn (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	~NicenoKEqn ()=default
	Destructor. More...
virtual bool	read ()
	Read model coefficients if they have changed. More...
Public Member Functions inherited from kEqn< BasicTurbulenceModel >
	TypeName ("kEqn")
	Runtime type information. More...
	kEqn (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)
	Constructor from components. More...
virtual	~kEqn ()=default
	Destructor. More...
virtual bool	read ()
	Read model coefficients if they have changed. More...
virtual tmp< volScalarField >	k () const
	Return SGS kinetic energy. More...
tmp< volScalarField >	DkEff () const
	Return the effective diffusivity for k. More...
virtual void	correct ()
	Correct eddy-Viscosity and related properties. More...
Public Member Functions inherited from LESeddyViscosity< BasicTurbulenceModel >
	LESeddyViscosity (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName)
	Construct from components. More...
virtual	~LESeddyViscosity ()=default
	Destructor. More...
virtual bool	read ()
	Read model coefficients if they have changed. More...
Public Member Functions inherited from eddyViscosity< LESModel< 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
Protected Member Functions inherited from kEqn< BasicTurbulenceModel >
	kEqn (const kEqn &)=delete
	No copy construct. More...
void	operator= (const kEqn &)=delete
	No copy assignment. More...
virtual void	correctNut ()
virtual tmp< fvScalarMatrix >	kSource () const
virtual void	correctNut ()=0

Protected Attributes
dimensionedScalar	alphaInversion_
dimensionedScalar	Cp_
dimensionedScalar	Cmub_
Protected Attributes inherited from kEqn< BasicTurbulenceModel >
volScalarField	k_
dimensionedScalar	Ck_
Protected Attributes inherited from eddyViscosity< LESModel< BasicTurbulenceModel > >
volScalarField	nut_

Detailed Description

template<class BasicTurbulenceModel>
class Foam::LESModels::NicenoKEqn< BasicTurbulenceModel >

One-equation SGS model for the continuous phase in a two-phase system including bubble-generated turbulence.

Reference:

    Niceno, B., Dhotre, M. T., & Deen, N. G. (2008).
    One-equation sub-grid scale (SGS) modelling for
    Euler–Euler large eddy simulation (EELES) of dispersed bubbly flow.
    Chemical Engineering Science, 63(15), 3923-3931.

The default model coefficients are:

    NicenoKEqnCoeffs
    {
        Ck              0.094;
        Ce              1.048;
        alphaInversion  0.3;
        Cp              Ck;
        Cmub            0.6;
    }

Source files

• NicenoKEqn.H
• NicenoKEqn.C

Definition at line 78 of file NicenoKEqn.H.

Member Typedef Documentation

alphaField

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 127 of file NicenoKEqn.H.

rhoField

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 128 of file NicenoKEqn.H.

transportModel

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 129 of file NicenoKEqn.H.

Constructor & Destructor Documentation

NicenoKEqn()

NicenoKEqn	(	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 NicenoKEqn.C.

References Foam::type().

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~NicenoKEqn()

virtual ~NicenoKEqn ( )

virtualdefault

Destructor.

Member Function Documentation

correctNut()

void correctNut

protectedvirtual

Reimplemented from kEqn< BasicTurbulenceModel >.

Definition at line 158 of file NicenoKEqn.C.

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

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bubbleG()

tmp< volScalarField > bubbleG

protected

Definition at line 176 of file NicenoKEqn.C.

References drag, fluid, Foam::mag(), liquid::rho(), Foam::sqr(), and turbulenceModel::U().

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phaseTransferCoeff()

tmp< volScalarField > phaseTransferCoeff

protected

Definition at line 201 of file NicenoKEqn.C.

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

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kSource()

tmp< fvScalarMatrix > kSource

protectedvirtual

Reimplemented from kEqn< BasicTurbulenceModel >.

Definition at line 223 of file NicenoKEqn.C.

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

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TypeName()

TypeName

(

"NicenoKEqn< BasicTurbulenceModel >"

)

Runtime type information.

read()

bool read

virtual

Read model coefficients if they have changed.

Reimplemented from kEqn< BasicTurbulenceModel >.

Definition at line 110 of file NicenoKEqn.C.

Member Data Documentation

alphaInversion_

dimensionedScalar alphaInversion_

protected

Definition at line 112 of file NicenoKEqn.H.

Cp_

dimensionedScalar Cp_

protected

Definition at line 113 of file NicenoKEqn.H.

Cmub_

dimensionedScalar Cmub_

protected

Definition at line 114 of file NicenoKEqn.H.

---

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

• src/TurbulenceModels/phaseCompressible/LES/Niceno/NicenoKEqn.H
• src/TurbulenceModels/phaseCompressible/LES/Niceno/NicenoKEqn.C