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WALE< BasicTurbulenceModel > Class Template Reference
Turbulence models » LES turbulence

The Wall-adapting local eddy-viscosity (WALE) SGS model. More...

#include <WALE.H>

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Public Types

typedef BasicTurbulenceModel::alphaField alphaField
typedef BasicTurbulenceModel::rhoField rhoField
typedef BasicTurbulenceModel::transportModel transportModel
Public Types inherited from LESeddyViscosity< BasicTurbulenceModel >
typedef BasicTurbulenceModel::alphaField alphaField
typedef BasicTurbulenceModel::rhoField rhoField
typedef BasicTurbulenceModel::transportModel transportModel
Public Types inherited from eddyViscosity< LESModel< BasicTurbulenceModel > >
typedef BasicTurbulenceModel::alphaField alphaField
typedef BasicTurbulenceModel::rhoField rhoField
typedef BasicTurbulenceModel::transportModel transportModel
Public Types inherited from linearViscousStress< BasicTurbulenceModel >
typedef BasicTurbulenceModel::alphaField alphaField
typedef BasicTurbulenceModel::rhoField rhoField
typedef BasicTurbulenceModel::transportModel transportModel

Public Member Functions

 TypeName ("WALE")
 Runtime type information.
 WALE (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName, const word &type=typeName)
 Construct from components.
virtual ~WALE ()=default
 Destructor.
virtual bool read ()
 Read model coefficients if they have changed.
virtual tmp< volScalarField > k () const
 Return SGS kinetic energy.
virtual void correct ()
 Correct Eddy-Viscosity and related properties.
Public Member Functions inherited from LESeddyViscosity< BasicTurbulenceModel >
 LESeddyViscosity (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName)
 Construct from components.
virtual ~LESeddyViscosity ()=default
 Destructor.
Public Member Functions inherited from eddyViscosity< LESModel< BasicTurbulenceModel > >
 eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName)
 Construct from components.
virtual ~eddyViscosity ()=default
 Destructor.
virtual tmp< volScalarField > nut () const
 Return the turbulence viscosity.
virtual tmp< volSymmTensorField > R () const
 Return the Reynolds stress tensor.
virtual void validate ()
 Validate the turbulence fields after construction.
Public Member Functions inherited from linearViscousStress< BasicTurbulenceModel >
 linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName)
 Construct from components.
virtual ~linearViscousStress ()=default
 Destructor.
virtual tmp< volSymmTensorField > devRhoReff () const
 Return the effective stress tensor.
virtual tmp< volSymmTensorField > devRhoReff (const volVectorField &U) const
 Return the effective stress tensor based on a given velocity field.
virtual tmp< fvVectorMatrix > divDevRhoReff (volVectorField &U) const
 Return the source term for the momentum equation.
virtual tmp< fvVectorMatrix > divDevRhoReff (const volScalarField &rho, volVectorField &U) const
 Return the source term for the momentum equation.

Protected Member Functions

tmp< volSymmTensorField > Sd (const volTensorField &gradU) const
 Return the deviatoric symmetric part of the square of the given.
tmp< volScalarField > k (const volTensorField &gradU) const
 Return SGS kinetic energy.
virtual void correctNut ()
 Update the SGS eddy-viscosity.

Protected Attributes

dimensionedScalar Ck_
dimensionedScalar Cw_
Protected Attributes inherited from eddyViscosity< LESModel< BasicTurbulenceModel > >
volScalarField nut_

Detailed Description

template<class BasicTurbulenceModel>
class Foam::LESModels::WALE< BasicTurbulenceModel >

The Wall-adapting local eddy-viscosity (WALE) SGS model.

Reference: 

    Nicoud, F., & Ducros, F. (1999).
    Subgrid-scale stress modelling based on the square of the velocity
    gradient tensor.
    Flow, Turbulence and Combustion, 62(3), 183-200.

The default model coefficients are 

    WALECoeffs
    {
        Ck                  0.094;
        Ce                  1.048;e
        Cw                  0.325;
    }
See also
Foam::LESModels::Smagorinsky
Source files

Definition at line 75 of file WALE.H.

Member Typedef Documentation

◆ alphaField

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 124 of file WALE.H.

◆ rhoField

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 125 of file WALE.H.

◆ transportModel

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 126 of file WALE.H.

Constructor & Destructor Documentation

◆ WALE()

template<class BasicTurbulenceModel>
WALE ( const alphaField & alpha,
const rhoField & rho,
const volVectorField & U,
const surfaceScalarField & alphaRhoPhi,
const surfaceScalarField & phi,
const transportModel & transport,
const word & propertiesName = turbulenceModel::propertiesName,
const word & type = typeName )

Construct from components.

Definition at line 98 of file WALE.C.

References alpha, Ck_, Cw_, Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, phi, rho, and U.

◆ ~WALE()

template<class BasicTurbulenceModel>
virtual ~WALE ( )
virtualdefault

Destructor.

Member Function Documentation

◆ Sd()

template<class BasicTurbulenceModel>
tmp< volSymmTensorField > Sd ( const volTensorField & gradU) const
protected

Return the deviatoric symmetric part of the square of the given.

velocity gradient field

Definition at line 35 of file WALE.C.

References Foam::devSymm().

Referenced by k().

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◆ k() [1/2]

template<class BasicTurbulenceModel>
tmp< volScalarField > k ( const volTensorField & gradU) const
protected

Return SGS kinetic energy.

calculated from the given velocity gradient

Definition at line 45 of file WALE.C.

References Ck_, Cw_, delta, IOobject::groupName(), Foam::magSqr(), Foam::pow(), Foam::pow3(), Sd(), Foam::sqr(), and Foam::symm().

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◆ correctNut()

template<class BasicTurbulenceModel>
void correctNut ( )
protectedvirtual

Update the SGS eddy-viscosity.

Implements eddyViscosity< LESModel< BasicTurbulenceModel > >.

Definition at line 85 of file WALE.C.

References Ck_, optionList::correct(), delta, Foam::fvc::grad(), k, options::New(), eddyViscosity< LESModel< BasicTurbulenceModel > >::nut_, and Foam::sqrt().

Referenced by correct().

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◆ TypeName()

template<class BasicTurbulenceModel>
TypeName ( "WALE< BasicTurbulenceModel >" )

Runtime type information.

◆ read()

template<class BasicTurbulenceModel>
bool read ( )
virtual

Read model coefficients if they have changed.

Reimplemented from LESeddyViscosity< BasicTurbulenceModel >.

Definition at line 152 of file WALE.C.

References Ck_, Cw_, and LESeddyViscosity< BasicTurbulenceModel >::read().

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◆ k() [2/2]

template<class BasicTurbulenceModel>
virtual tmp< volScalarField > k ( ) const
inlinevirtual

Return SGS kinetic energy.

Implements eddyViscosity< LESModel< BasicTurbulenceModel > >.

Definition at line 169 of file WALE.H.

Referenced by WALE< Foam::EddyDiffusivity< Foam::fluidThermoCompressibleTurbulenceModel > >::k().

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◆ correct()

template<class BasicTurbulenceModel>
void correct ( )
virtual

Correct Eddy-Viscosity and related properties.

Implements eddyViscosity< LESModel< BasicTurbulenceModel > >.

Definition at line 167 of file WALE.C.

References linearViscousStress< BasicTurbulenceModel >::correct(), and correctNut().

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Member Data Documentation

◆ Ck_

template<class BasicTurbulenceModel>
dimensionedScalar Ck_
protected

Definition at line 96 of file WALE.H.

Referenced by correctNut(), k(), read(), and WALE().

◆ Cw_

template<class BasicTurbulenceModel>
dimensionedScalar Cw_
protected

Definition at line 97 of file WALE.H.

Referenced by k(), read(), and WALE().

The documentation for this class was generated from the following files:
  • src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.H
  • src/TurbulenceModels/turbulenceModels/LES/WALE/WALE.C