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

One-equation SGS model for the continuous phase in a two-phase system including bubble-generated turbulence. More...

#include <NicenoKEqn.H>

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Public Types

typedef BasicTurbulenceModel::alphaField alphaField
typedef BasicTurbulenceModel::rhoField rhoField
typedef BasicTurbulenceModel::transportModel transportModel
Public Types inherited from kEqn< BasicTurbulenceModel >
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 ("NicenoKEqn")
 Runtime type information.
 NicenoKEqn (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 ~NicenoKEqn ()=default
 Destructor.
virtual bool read ()
 Read model coefficients if they have changed.
Public Member Functions inherited from kEqn< BasicTurbulenceModel >
 TypeName ("kEqn")
 Runtime type information.
 kEqn (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)
 Constructor from components.
virtual ~kEqn ()=default
 Destructor.
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

virtual void correctNut ()
tmp< volScalarField > bubbleG () const
tmp< volScalarField > phaseTransferCoeff () const
virtual tmp< fvScalarMatrix > kSource () const
Protected Member Functions inherited from kEqn< BasicTurbulenceModel >
 kEqn (const kEqn &)=delete
 No copy construct.
void operator= (const kEqn &)=delete
 No copy assignment.

Protected Attributes

dimensionedScalar alphaInversion_
dimensionedScalar Cp_
dimensionedScalar Cmub_
Protected Attributes inherited from kEqn< BasicTurbulenceModel >
volScalarField k_
dimensionedScalar Ck_
Protected Attributes inherited from eddyViscosity< LESModel< BasicTurbulenceModel > >
volScalarField nut_

Detailed Description

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

One-equation SGS model for the continuous phase in a two-phase system including bubble-generated turbulence.

Reference: 

    Niceno, B., Dhotre, M. T., & Deen, N. G. (2008).
    One-equation sub-grid scale (SGS) modelling for
    Euler–Euler large eddy simulation (EELES) of dispersed bubbly flow.
    Chemical Engineering Science, 63(15), 3923-3931.

The default model coefficients are: 

    NicenoKEqnCoeffs
    {
        Ck              0.094;
        Ce              1.048;
        alphaInversion  0.3;
        Cp              Ck;
        Cmub            0.6;
    }
Source files

Definition at line 74 of file NicenoKEqn.H.

Member Typedef Documentation

◆ alphaField

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 129 of file NicenoKEqn.H.

◆ rhoField

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 130 of file NicenoKEqn.H.

◆ transportModel

template<class BasicTurbulenceModel>
typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 131 of file NicenoKEqn.H.

Constructor & Destructor Documentation

◆ NicenoKEqn()

template<class BasicTurbulenceModel>
NicenoKEqn ( 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 37 of file NicenoKEqn.C.

References alpha, alphaInversion_, kEqn< BasicTurbulenceModel >::Ck_, Cmub_, Cp_, Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, kEqn< BasicTurbulenceModel >::kEqn(), phi, rho, and U.

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◆ ~NicenoKEqn()

template<class BasicTurbulenceModel>
virtual ~NicenoKEqn ( )
virtualdefault

Destructor.

Member Function Documentation

◆ correctNut()

template<class BasicTurbulenceModel>
void correctNut ( )
protectedvirtual

Reimplemented from kEqn< BasicTurbulenceModel >.

Definition at line 151 of file NicenoKEqn.C.

References kEqn< BasicTurbulenceModel >::Ck_, Cmub_, optionList::correct(), delta, kEqn< BasicTurbulenceModel >::k_, Foam::mag(), options::New(), eddyViscosity< LESModel< BasicTurbulenceModel > >::nut_, and Foam::sqrt().

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◆ bubbleG()

template<class BasicTurbulenceModel>
tmp< volScalarField > bubbleG ( ) const
protected

Definition at line 169 of file NicenoKEqn.C.

References bubbleG(), Cp_, drag, fluid, Foam::mag(), Foam::refCast(), liquid::rho(), and Foam::sqr().

Referenced by bubbleG(), and kSource().

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◆ phaseTransferCoeff()

template<class BasicTurbulenceModel>
tmp< volScalarField > phaseTransferCoeff ( ) const
protected

Definition at line 194 of file NicenoKEqn.C.

References alpha, alphaInversion_, Foam::max(), Foam::min(), rho, Foam::sqrt(), and U.

Referenced by kSource().

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◆ kSource()

template<class BasicTurbulenceModel>
tmp< fvScalarMatrix > kSource ( ) const
protectedvirtual

Reimplemented from kEqn< BasicTurbulenceModel >.

Definition at line 216 of file NicenoKEqn.C.

References alpha, bubbleG(), kEqn< BasicTurbulenceModel >::k_, phaseTransferCoeff(), rho, and Foam::fvm::Sp().

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◆ TypeName()

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

Runtime type information.

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

◆ read()

template<class BasicTurbulenceModel>
bool read ( )
virtual

Read model coefficients if they have changed.

Reimplemented from kEqn< BasicTurbulenceModel >.

Definition at line 103 of file NicenoKEqn.C.

References alphaInversion_, Cmub_, Cp_, and kEqn< BasicTurbulenceModel >::read().

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Member Data Documentation

◆ alphaInversion_

template<class BasicTurbulenceModel>
dimensionedScalar alphaInversion_
protected

Definition at line 114 of file NicenoKEqn.H.

Referenced by NicenoKEqn(), phaseTransferCoeff(), and read().

◆ Cp_

template<class BasicTurbulenceModel>
dimensionedScalar Cp_
protected

Definition at line 115 of file NicenoKEqn.H.

Referenced by bubbleG(), NicenoKEqn(), and read().

◆ Cmub_

template<class BasicTurbulenceModel>
dimensionedScalar Cmub_
protected

Definition at line 116 of file NicenoKEqn.H.

Referenced by correctNut(), NicenoKEqn(), and read().

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