One equation eddy-viscosity model. More...

Inheritance diagram for kEqn< BasicMomentumTransportModel >:

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Collaboration diagram for kEqn< BasicMomentumTransportModel >:

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Public Types
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

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

typedef BasicMomentumTransportModel::rhoField	rhoField

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

typedef BasicMomentumTransportModel::rhoField	rhoField

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

typedef BasicMomentumTransportModel::rhoField	rhoField

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 viscosity &viscosity, 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 viscosity &viscosity)
	Construct from components. More...

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

virtual	~LESeddyViscosity ()
	Destructor. More...

virtual tmp< volScalarField >	omega () const
	Return the turbulence specific dissipation rate. 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 viscosity &viscosity)
	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 [m^2/s^2]. More...

virtual void	validate ()
	Validate the turbulence fields after construction. More...

Public Member Functions inherited from linearViscousStress< BasicMomentumTransportModel >
	linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity)
	Construct from components. More...

virtual	~linearViscousStress ()
	Destructor. More...

virtual tmp< surfaceVectorField >	devTau () const
	Return the effective surface stress. 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...

template<class RhoFieldType >
Foam::tmp< Foam::fvVectorMatrix >	DivDevTau (const RhoFieldType &rho, volVectorField &U) const

Protected Member Functions
virtual void	correctNut ()

virtual tmp< fvScalarMatrix >	kSource () const

Protected Member Functions inherited from linearViscousStress< BasicMomentumTransportModel >
template<class RhoFieldType >
tmp< fvVectorMatrix >	DivDevTau (const RhoFieldType &rho, volVectorField &U) const
	Return the source term for the momentum equation. More...

Protected Attributes
volScalarField	k_

dimensionedScalar	Ck_

Protected Attributes inherited from LESeddyViscosity< BasicMomentumTransportModel >
dimensionedScalar	Ck_

dimensionedScalar	Ce_

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

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.

Constructor & Destructor Documentation

◆ kEqn() [1/2]

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