One equation eddy-viscosity model. More...

Inheritance diagram for kEqn< BasicMomentumTransportModel >:

Collaboration diagram for kEqn< BasicMomentumTransportModel >:

Public Types
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

typedef BasicMomentumTransportModel::transportModel	transportModel

Public Types inherited from LESeddyViscosity< BasicMomentumTransportModel >
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

typedef BasicMomentumTransportModel::transportModel	transportModel

Public Types inherited from eddyViscosity< LESModel< BasicMomentumTransportModel > >
typedef LESModel< BasicMomentumTransportModel > ::alphaField	alphaField

typedef LESModel< BasicMomentumTransportModel > ::rhoField	rhoField

typedef LESModel< BasicMomentumTransportModel > ::transportModel	transportModel

Public Types inherited from linearViscousStress< LESModel< BasicMomentumTransportModel > >
typedef LESModel< BasicMomentumTransportModel > ::alphaField	alphaField

typedef LESModel< BasicMomentumTransportModel > ::rhoField	rhoField

typedef LESModel< BasicMomentumTransportModel > ::transportModel	transportModel

Public Types inherited from LESModel< BasicMomentumTransportModel >
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

typedef BasicMomentumTransportModel::transportModel	transportModel

Public Member Functions
	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 &type=typeName)
	Constructor from components. More...

	kEqn (const kEqn &)=delete
	Disallow default bitwise copy construction. More...

virtual	~kEqn ()
	Destructor. More...

virtual bool	read ()
	Read model coefficients if they have changed. More...

virtual tmp< volScalarField >	k () const
	Return SGS kinetic energy. More...

virtual tmp< volScalarField >	epsilon () const
	Return sub-grid disipation rate. More...

tmp< volScalarField >	DkEff () const
	Return the effective diffusivity for k. More...

virtual void	correct ()
	Correct eddy-Viscosity and related properties. More...

void	operator= (const kEqn &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from LESeddyViscosity< BasicMomentumTransportModel >
	LESeddyViscosity (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...

	LESeddyViscosity (const LESeddyViscosity &)=delete
	Disallow default bitwise copy construction. More...

virtual	~LESeddyViscosity ()
	Destructor. More...

void	operator= (const LESeddyViscosity &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from eddyViscosity< LESModel< 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< LESModel< 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 LESModel< BasicMomentumTransportModel >
	TypeName ("LES")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, LESModel, 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))

	LESModel (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...

	LESModel (const LESModel &)=delete
	Disallow default bitwise copy construction. More...

virtual	~LESModel ()
	Destructor. More...

virtual const dictionary &	coeffDict () const
	Const access to the coefficients dictionary. More...

const dimensionedScalar &	kMin () const
	Return the lower allowable limit for k (default: small) More...

dimensionedScalar &	kMin ()
	Allow kMin to be changed. More...

const volScalarField &	delta () const
	Access function to filter width. 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 LESModel &)=delete
	Disallow default bitwise assignment. More...

Protected Member Functions
virtual void	correctNut ()

virtual tmp< fvScalarMatrix >	kSource () const

Protected Member Functions inherited from LESModel< BasicMomentumTransportModel >
virtual void	printCoeffs (const word &type)
	Print model coefficients. More...

Protected Attributes
volScalarField	k_

dimensionedScalar	Ck_

Protected Attributes inherited from LESeddyViscosity< BasicMomentumTransportModel >
dimensionedScalar	Ce_

Protected Attributes inherited from eddyViscosity< LESModel< BasicMomentumTransportModel > >
volScalarField	nut_

Protected Attributes inherited from LESModel< BasicMomentumTransportModel >
dictionary	LESDict_
	LES 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...

autoPtr< Foam::LESdelta >	delta_
	Run-time selectable delta model. More...

Additional Inherited Members
Static Public Member Functions inherited from LESModel< BasicMomentumTransportModel >
static autoPtr< LESModel >	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 LES model. More...

Detailed Description

template<class BasicMomentumTransportModel>
class Foam::LESModels::kEqn< BasicMomentumTransportModel >

One equation eddy-viscosity model.

Eddy viscosity SGS model using a modeled balance equation to simulate the behaviour of k.

Reference:

    Yoshizawa, A. (1986).
    Statistical theory for compressible turbulent shear flows,
    with the application to subgrid modeling.
    Physics of Fluids (1958-1988), 29(7), 2152-2164.

The default model coefficients are

    kEqnCoeffs
    {
        Ck                  0.094;
        Ce                  1.048;
    }

Source files

Definition at line 71 of file kEqn.H.

Member Typedef Documentation

◆ alphaField

typedef BasicMomentumTransportModel::alphaField alphaField

Definition at line 97 of file kEqn.H.

◆ rhoField

typedef BasicMomentumTransportModel::rhoField rhoField

Definition at line 98 of file kEqn.H.

◆ transportModel

typedef BasicMomentumTransportModel::transportModel transportModel

Definition at line 99 of file kEqn.H.

Constructor & Destructor Documentation

◆ kEqn() [1/2]

kEqn	(	const alphaField &	alpha,
		const rhoField &	rho,
		const volVectorField &	U,
		const surfaceScalarField &	alphaRhoPhi,
		const surfaceScalarField &	phi,
		const transportModel &	transport,
		const word &	type = `typeName`
	)