GenSGSStress Class Reference

General base class for all compressible models that directly solve for the SGS stress tensor B. More...

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List of all members.

Public Member Functions
	GenSGSStress (const volScalarField &rho, const volVectorField &U, const surfaceScalarField &phi, const basicThermo &thermoPhysicalModel)
	Constructor from components.
virtual	~GenSGSStress ()
	Destructor.
virtual tmp< volScalarField >	k () const
	Return the SGS turbulent kinetic energy.
virtual tmp< volScalarField >	epsilon () const
	Return the SGS turbulent dissipation.
virtual tmp< volScalarField >	muSgs () const
	Return the SGS viscosity.
virtual tmp< volScalarField >	alphaSgs () const
	Return the SGS thermal diffusivity.
virtual tmp< volScalarField >	alphaEff () const
	Return thermal conductivity.
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 divergence of B : i.e. the additional term in the.
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_
volSymmTensorField	B_
volScalarField	muSgs_
volScalarField	alphaSgs_

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Detailed Description

General base class for all compressible models that directly solve for the SGS stress tensor B.

Contains tensor fields B (the SGS stress tensor) as well as scalar fields for k (SGS turbulent energy) gamma (SGS viscosity) and epsilon (SGS dissipation).

Source files

• GenSGSStress.H
• GenSGSStress.C

Definition at line 53 of file GenSGSStress.H.

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Constructor & Destructor Documentation

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

Constructor from components.

Definition at line 32 of file GenSGSStress.C.

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

virtual ~GenSGSStress

(

)

[inline, virtual]

Destructor.

Definition at line 93 of file GenSGSStress.H.

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Member Function Documentation

virtual tmp<volScalarField> k

(

)

const [inline, virtual]

Return the SGS turbulent kinetic energy.

Implements LESModel.

Definition at line 100 of file GenSGSStress.H.

virtual tmp<volScalarField> epsilon

(

)

const [inline, virtual]

Return the SGS turbulent dissipation.

Implements LESModel.

Definition at line 106 of file GenSGSStress.H.

References GenSGSStress::B_, and Foam::tr().

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virtual tmp<volScalarField> muSgs

(

)

const [inline, virtual]

Return the SGS viscosity.

Implements LESModel.

Definition at line 113 of file GenSGSStress.H.

References GenSGSStress::ce_, LESModel::delta(), K, k(), and Foam::sqrt().

Referenced by GenSGSStress::alphaSgs().

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virtual tmp<volScalarField> alphaSgs

(

)

const [inline, virtual]

Return the SGS thermal diffusivity.

Implements LESModel.

Definition at line 119 of file GenSGSStress.H.

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

Referenced by GenSGSStress::alphaEff().

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virtual tmp<volScalarField> alphaEff

(

)

const [inline, virtual]

Return thermal conductivity.

Implements LESModel.

Definition at line 125 of file GenSGSStress.H.

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

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virtual tmp<volSymmTensorField> B

(

)

const [inline, virtual]

Return the sub-grid stress tensor.

Implements LESModel.

Definition at line 134 of file GenSGSStress.H.

References turbulenceModel::alpha().

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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 111 of file GenSGSStress.C.

tmp< fvVectorMatrix > divDevRhoBeff

(

volVectorField &

U

)

const [virtual]

Returns divergence of B : i.e. the additional term in the.

filtered NSE

Implements LESModel.

Definition at line 131 of file GenSGSStress.C.

References GenSGSStress::B_.

void correct

(

const tmp< volTensorField > &

gradU

)

[virtual]

Correct Eddy-Viscosity and related properties.

Reimplemented from LESModel.

Reimplemented in DeardorffDiffStress.

Definition at line 143 of file GenSGSStress.C.

bool read

(

)

[virtual]

Read LESProperties dictionary.

Implements LESModel.

Reimplemented in DeardorffDiffStress.

Definition at line 149 of file GenSGSStress.C.

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Member Data Documentation

dimensionedScalar ce_ [protected]

Definition at line 68 of file GenSGSStress.H.

Referenced by GenSGSStress::muSgs().

dimensionedScalar Prt_ [protected]

Definition at line 69 of file GenSGSStress.H.

volSymmTensorField B_ [protected]

Definition at line 73 of file GenSGSStress.H.

Referenced by GenSGSStress::divDevRhoBeff(), and GenSGSStress::epsilon().

volScalarField muSgs_ [protected]

Definition at line 74 of file GenSGSStress.H.

Referenced by GenSGSStress::alphaSgs().

volScalarField alphaSgs_ [protected]

Definition at line 75 of file GenSGSStress.H.

Referenced by GenSGSStress::alphaEff().

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

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