GenEddyVisc Class Reference

General base class for all compressible models that can be implemented as an eddy viscosity, i.e. algebraic and one-equation models. More...

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List of all members.

Public Member Functions
	GenEddyVisc (const volScalarField &rho, const volVectorField &U, const surfaceScalarField &phi, const basicThermo &thermoPhysicalModel)
	Construct from components.
virtual	~GenEddyVisc ()
	Destructor.
virtual tmp< volScalarField >	k () const
	Return SGS kinetic energy.
virtual tmp< volScalarField >	epsilon () const
	Return sub-grid disipation rate.
virtual tmp< volScalarField >	muSgs () const
	Return viscosity.
virtual tmp< volScalarField >	alphaSgs () const
	Return thermal diffusivity.
virtual tmp< volScalarField >	alphaEff () const
	Return thermal diffusivity.
virtual tmp< volSymmTensorField >	B () const
	Return the sub-grid stress tensor.
virtual tmp< volSymmTensorField >	devRhoBeff () const
	Return the deviatoric part of the effective sub-grid.
virtual tmp< fvVectorMatrix >	divDevRhoBeff (volVectorField &U) const
	Returns div(rho*dev(B)).
virtual void	correct (const tmp< volTensorField > &gradU)
	Correct Eddy-Viscosity and related properties.
virtual bool	read ()
	Read LESProperties dictionary.
Protected Attributes
dimensionedScalar	ce_
dimensionedScalar	Prt_
volScalarField	k_
volScalarField	muSgs_
volScalarField	alphaSgs_

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Detailed Description

General base class for all compressible models that can be implemented as an eddy viscosity, i.e. algebraic and one-equation models.

Contains fields for k (SGS turbulent kinetic energy), gamma (modelled viscosity) and epsilon (SGS dissipation).

Source files

• GenEddyVisc.H
• GenEddyVisc.C

Definition at line 52 of file GenEddyVisc.H.

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Constructor & Destructor Documentation

GenEddyVisc	(	const volScalarField &	rho,
		const volVectorField &	U,
		const surfaceScalarField &	phi,
		const basicThermo &	thermoPhysicalModel
	)

Construct from components.

Definition at line 32 of file GenEddyVisc.C.

References IOobject::AUTO_WRITE, IOobject::MUST_READ, phi, rho, and U.

virtual ~GenEddyVisc

(

)

[inline, virtual]

Destructor.

Definition at line 93 of file GenEddyVisc.H.

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Member Function Documentation

virtual tmp<volScalarField> k

(

)

const [inline, virtual]

Return SGS kinetic energy.

Implements LESModel.

Definition at line 100 of file GenEddyVisc.H.

virtual tmp<volScalarField> epsilon

(

)

const [inline, virtual]

Return sub-grid disipation rate.

Implements LESModel.

Definition at line 106 of file GenEddyVisc.H.

References GenEddyVisc::k_.

Referenced by GenEddyVisc::muSgs().

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virtual tmp<volScalarField> muSgs

(

)

const [inline, virtual]

Return viscosity.

Implements LESModel.

Definition at line 112 of file GenEddyVisc.H.

References GenEddyVisc::ce_, LESModel::delta(), GenEddyVisc::epsilon(), GenEddyVisc::k_, and Foam::sqrt().

Referenced by GenEddyVisc::alphaSgs().

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virtual tmp<volScalarField> alphaSgs

(

)

const [inline, virtual]

Return thermal diffusivity.

Implements LESModel.

Definition at line 118 of file GenEddyVisc.H.

References GenEddyVisc::muSgs(), and GenEddyVisc::muSgs_.

Referenced by GenEddyVisc::alphaEff().

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virtual tmp<volScalarField> alphaEff

(

)

const [inline, virtual]

Return thermal diffusivity.

Implements LESModel.

Definition at line 124 of file GenEddyVisc.H.

References GenEddyVisc::alphaSgs(), and GenEddyVisc::alphaSgs_.

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tmp< volSymmTensorField > B

(

)

const [virtual]

Return the sub-grid stress tensor.

Implements LESModel.

Definition at line 107 of file GenEddyVisc.C.

tmp< volSymmTensorField > devRhoBeff

(

)

const [virtual]

Return the deviatoric part of the effective sub-grid.

turbulence stress tensor including the laminar stress

Implements LESModel.

Definition at line 113 of file GenEddyVisc.C.

References Foam::dev(), Foam::fvc::grad(), Foam::I, GenEddyVisc::k_, GenEddyVisc::muSgs_, rho, Foam::twoSymm(), and U.

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tmp< fvVectorMatrix > divDevRhoBeff

(

volVectorField &

U

)

const [virtual]

Returns div(rho*dev(B)).

This is the additional term due to the filtering of the NSE.

Implements LESModel.

Definition at line 119 of file GenEddyVisc.C.

void correct

(

const tmp< volTensorField > &

gradU

)

[virtual]

Correct Eddy-Viscosity and related properties.

Reimplemented from LESModel.

Reimplemented in dynOneEqEddy, lowReOneEqEddy, oneEqEddy, and Smagorinsky.

Definition at line 128 of file GenEddyVisc.C.

References Foam::dev2(), Foam::fvc::div(), Foam::fvc::grad(), Foam::fvm::laplacian(), muEff(), and Foam::T().

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bool read

(

)

[virtual]

Read LESProperties dictionary.

Implements LESModel.

Reimplemented in dynOneEqEddy, lowReOneEqEddy, oneEqEddy, and Smagorinsky.

Definition at line 134 of file GenEddyVisc.C.

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Member Data Documentation

dimensionedScalar ce_ [protected]

Definition at line 67 of file GenEddyVisc.H.

Referenced by GenEddyVisc::muSgs().

dimensionedScalar Prt_ [protected]

Definition at line 68 of file GenEddyVisc.H.

Referenced by oneEqEddy::oneEqEddy().

volScalarField k_ [protected]

Definition at line 73 of file GenEddyVisc.H.

Referenced by GenEddyVisc::devRhoBeff(), GenEddyVisc::epsilon(), GenEddyVisc::muSgs(), and dynOneEqEddy::read().

volScalarField muSgs_ [protected]

Definition at line 74 of file GenEddyVisc.H.

Referenced by GenEddyVisc::alphaSgs(), GenEddyVisc::devRhoBeff(), and oneEqEddy::oneEqEddy().

volScalarField alphaSgs_ [protected]

Definition at line 75 of file GenEddyVisc.H.

Referenced by GenEddyVisc::alphaEff(), and oneEqEddy::oneEqEddy().

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

• src/turbulenceModels/compressible/LES/GenEddyVisc/GenEddyVisc.H
• src/turbulenceModels/compressible/LES/GenEddyVisc/GenEddyVisc.C