Smagorinsky Class Reference

The Isochoric Smagorinsky Model for incompressible flows. More...

#include <incompressibleLESModels/Smagorinsky.H>

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Detailed Description

The Isochoric Smagorinsky Model for incompressible flows.

Algebraic eddy viscosity SGS model founded on the assumption that local equilibrium prevails. Thus,

B = 2/3*k*I - 2*nuSgs*dev(D)
Beff = 2/3*k*I - 2*nuEff*dev(D)

where

D = symm(grad(U));
k = (2*ck/ce)*delta^2*||D||^2
nuSgs = ck*sqrt(k)*delta
nuEff = nuSgs + nu

Source files

• src/turbulenceModels/incompressible/LES/Smagorinsky/Smagorinsky.H
• src/turbulenceModels/incompressible/LES/Smagorinsky/Smagorinsky.C

Definition at line 68 of file Smagorinsky.H.

Inheritance diagram for Smagorinsky:

Collaboration diagram for Smagorinsky:

List of all members.

Public Member Functions
	TypeName ("Smagorinsky")
	Runtime type information.
	Smagorinsky (const volVectorField &U, const surfaceScalarField &phi, transportModel &transport)
	Construct from components.
virtual	~Smagorinsky ()
	Destructor.
tmp< volScalarField >	k (const tmp< volTensorField > &gradU) const
	Return SGS kinetic energy.
virtual tmp< volScalarField >	k () const
	Return SGS kinetic energy.
virtual void	correct (const tmp< volTensorField > &gradU)
	Correct Eddy-Viscosity and related properties.
virtual bool	read ()
	Read LESProperties dictionary.

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Constructor & Destructor Documentation

Smagorinsky	(	const volVectorField &	U,
		const surfaceScalarField &	phi,
		transportModel &	transport
	)

Construct from components.

Definition at line 55 of file Smagorinsky.C.

References Foam::fvc::grad().

virtual ~Smagorinsky

(

)

[inline, virtual]

Destructor.

Definition at line 104 of file Smagorinsky.H.

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Member Function Documentation

TypeName

(

"Smagorinsky"

)

Runtime type information.

tmp<volScalarField> k

(

const tmp< volTensorField > &

gradU  )

const [inline]

Return SGS kinetic energy.

calculated from the given velocity gradient

Definition at line 112 of file Smagorinsky.H.

References GenEddyVisc::ce_, incompressible::LESModel::delta(), Foam::dev(), Foam::magSqr(), Foam::sqr(), and Foam::symm().

virtual tmp<volScalarField> k

(

)

const [inline, virtual]

Return SGS kinetic energy.

Implements GenEddyVisc.

Reimplemented in mixedSmagorinsky.

Definition at line 118 of file Smagorinsky.H.

References Foam::fvc::grad(), and incompressible::turbulenceModel::U().

Referenced by Smagorinsky2::B(), and mixedSmagorinsky::k().

void correct

(

const tmp< volTensorField > &

gradU  )

[virtual]

Correct Eddy-Viscosity and related properties.

Reimplemented from GenEddyVisc.

Reimplemented in mixedSmagorinsky.

Definition at line 82 of file Smagorinsky.C.

References incompressible::LESModel::correct().

bool read

(

)

[virtual]

Read LESProperties dictionary.

Reimplemented from GenEddyVisc.

Reimplemented in mixedSmagorinsky, and Smagorinsky2.

Definition at line 89 of file Smagorinsky.C.

References incompressible::LESModel::coeffDict(), GenEddyVisc::read(), and dimensioned< Type >::readIfPresent().

Referenced by Smagorinsky2::read().

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

• src/turbulenceModels/incompressible/LES/Smagorinsky/Smagorinsky.H
• src/turbulenceModels/incompressible/LES/Smagorinsky/Smagorinsky.C