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

Dynamic SGS model with Lagrangian averaging. More...

#include <dynamicLagrangian.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 ("dynamicLagrangian")
 Runtime type information.
 dynamicLagrangian (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 ~dynamicLagrangian ()=default
 Destructor.
virtual bool read ()
 Read model coefficients if they have changed.
tmp< volScalarField > k (const tmp< volTensorField > &gradU) const
 Return SGS kinetic energy.
virtual tmp< volScalarField > k () const
 Return SGS kinetic energy.
tmp< volScalarField > DkEff () const
 Return the effective diffusivity for k.
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

void correctNut (const tmp< volTensorField > &gradU)
 Update sub-grid eddy-viscosity.
virtual void correctNut ()

Protected Attributes

volScalarField flm_
volScalarField fmm_
dimensionedScalar theta_
simpleFilter simpleFilter_
autoPtr< LESfilter > filterPtr_
LESfilter & filter_
dimensionedScalar flm0_
dimensionedScalar fmm0_
Protected Attributes inherited from eddyViscosity< LESModel< BasicTurbulenceModel > >
volScalarField nut_

Detailed Description

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

Dynamic SGS model with Lagrangian averaging.

Reference: 

    Meneveau, C., Lund, T. S., & Cabot, W. H. (1996).
    A Lagrangian dynamic subgrid-scale model of turbulence.
    Journal of Fluid Mechanics, 319, 353-385.
Source files

Definition at line 61 of file dynamicLagrangian.H.

Member Typedef Documentation

◆ alphaField

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 107 of file dynamicLagrangian.H.

◆ rhoField

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 108 of file dynamicLagrangian.H.

◆ transportModel

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 109 of file dynamicLagrangian.H.

Constructor & Destructor Documentation

◆ dynamicLagrangian()

template<class BasicTurbulenceModel>
dynamicLagrangian ( 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 58 of file dynamicLagrangian.C.

References alpha, filter_, filterPtr_, flm0_, flm_, fmm0_, fmm_, Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, mesh, Foam::New(), phi, rho, simpleFilter_, theta_, timeName, U, and Foam::Zero.

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◆ ~dynamicLagrangian()

template<class BasicTurbulenceModel>
virtual ~dynamicLagrangian ( )
virtualdefault

Destructor.

Member Function Documentation

◆ correctNut() [1/2]

template<class BasicTurbulenceModel>
void correctNut ( const tmp< volTensorField > & gradU)
protected

Update sub-grid eddy-viscosity.

Definition at line 35 of file dynamicLagrangian.C.

References optionList::correct(), delta, Foam::devSymm(), flm_, fmm_, Foam::mag(), options::New(), eddyViscosity< LESModel< BasicTurbulenceModel > >::nut_, and Foam::sqr().

Referenced by correct(), and correctNut().

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◆ correctNut() [2/2]

template<class BasicTurbulenceModel>
void correctNut ( )
protectedvirtual

Implements eddyViscosity< LESModel< BasicTurbulenceModel > >.

Definition at line 49 of file dynamicLagrangian.C.

References correctNut(), and Foam::fvc::grad().

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◆ TypeName()

template<class BasicTurbulenceModel>
TypeName ( "dynamicLagrangian< 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 133 of file dynamicLagrangian.C.

References filter_, LESeddyViscosity< BasicTurbulenceModel >::read(), and theta_.

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◆ k() [1/2]

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

Return SGS kinetic energy.

Definition at line 151 of file dynamicLagrangian.H.

◆ k() [2/2]

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

Return SGS kinetic energy.

Implements eddyViscosity< LESModel< BasicTurbulenceModel > >.

Definition at line 162 of file dynamicLagrangian.H.

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

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◆ DkEff()

template<class BasicTurbulenceModel>
tmp< volScalarField > DkEff ( ) const
inline

Return the effective diffusivity for k.

Definition at line 170 of file dynamicLagrangian.H.

◆ correct()

template<class BasicTurbulenceModel>
void correct ( )
virtual

Correct Eddy-Viscosity and related properties.

Implements eddyViscosity< LESModel< BasicTurbulenceModel > >.

Definition at line 148 of file dynamicLagrangian.C.

References alpha, Foam::bound(), linearViscousStress< BasicTurbulenceModel >::correct(), correctNut(), Foam::fvm::ddt(), delta, Foam::dev(), Foam::devSymm(), Foam::fvm::div(), filter_, flm0_, flm_, fmm0_, fmm_, fvOptions, Foam::fvc::grad(), L, M, Foam::mag(), options::New(), Foam::pow(), fvMatrix< Type >::relax(), rho, fvMatrix< Type >::solve(), Foam::fvm::Sp(), Foam::sqr(), theta_, U, and Uf.

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Member Data Documentation

◆ flm_

template<class BasicTurbulenceModel>
volScalarField flm_
protected

Definition at line 82 of file dynamicLagrangian.H.

Referenced by correct(), correctNut(), and dynamicLagrangian().

◆ fmm_

template<class BasicTurbulenceModel>
volScalarField fmm_
protected

Definition at line 83 of file dynamicLagrangian.H.

Referenced by correct(), correctNut(), and dynamicLagrangian().

◆ theta_

template<class BasicTurbulenceModel>
dimensionedScalar theta_
protected

Definition at line 85 of file dynamicLagrangian.H.

Referenced by correct(), dynamicLagrangian(), and read().

◆ simpleFilter_

template<class BasicTurbulenceModel>
simpleFilter simpleFilter_
protected

Definition at line 87 of file dynamicLagrangian.H.

Referenced by dynamicLagrangian().

◆ filterPtr_

template<class BasicTurbulenceModel>
autoPtr<LESfilter> filterPtr_
protected

Definition at line 88 of file dynamicLagrangian.H.

Referenced by dynamicLagrangian().

◆ filter_

template<class BasicTurbulenceModel>
LESfilter& filter_
protected

Definition at line 89 of file dynamicLagrangian.H.

Referenced by correct(), dynamicLagrangian(), and read().

◆ flm0_

template<class BasicTurbulenceModel>
dimensionedScalar flm0_
protected

Definition at line 91 of file dynamicLagrangian.H.

Referenced by correct(), and dynamicLagrangian().

◆ fmm0_

template<class BasicTurbulenceModel>
dimensionedScalar fmm0_
protected

Definition at line 92 of file dynamicLagrangian.H.

Referenced by correct(), and dynamicLagrangian().

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