Langtry-Menter 4-equation transitional SST model based on the k-omega-SST RAS model. More...

Inheritance diagram for kOmegaSSTLM< BasicMomentumTransportModel >:

Collaboration diagram for kOmegaSSTLM< BasicMomentumTransportModel >:

[legend]

Public Types
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

Public Types inherited from kOmegaSST< BasicMomentumTransportModel >
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

Public Types inherited from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

Public Types inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > >
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

Public Types inherited from linearViscousStress< BasicMomentumTransportModel >
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

Public Member Functions
	TypeName ("kOmegaSSTLM")
	Runtime type information. More...

	kOmegaSSTLM (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity, const word &type=typeName)
	Construct from components. More...

	kOmegaSSTLM (const kOmegaSSTLM &)=delete
	Disallow default bitwise copy construction. More...

virtual	~kOmegaSSTLM ()
	Destructor. More...

virtual bool	read ()
	Re-read model coefficients if they have changed. More...

const volScalarField &	ReThetat () const
	Access function transition onset momentum-thickness Reynolds number. More...

const volScalarField &	gammaInt () const
	Access function to intermittency. More...

tmp< volScalarField >	DReThetatEff () const
	Return the effective diffusivity for transition onset. More...

tmp< volScalarField >	DgammaIntEff () const
	Return the effective diffusivity for intermittency. More...

virtual void	correct ()
	Solve the turbulence equations and correct the turbulence viscosity. More...

void	operator= (const kOmegaSSTLM &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from kOmegaSST< BasicMomentumTransportModel >
	TypeName ("kOmegaSST")
	Runtime type information. More...

	kOmegaSST (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity, const word &type=typeName)
	Construct from components. More...

virtual	~kOmegaSST ()
	Destructor. More...

Public Member Functions inherited from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >
	kOmegaSST (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity)
	Construct from components. More...

	kOmegaSST (const kOmegaSST &)=delete
	Disallow default bitwise copy construction. More...

tmp< volScalarField >	DkEff (const volScalarField &F1) const
	Return the effective diffusivity for k. More...

tmp< volScalarField >	DomegaEff (const volScalarField &F1) const
	Return the effective diffusivity for omega. More...

virtual tmp< volScalarField >	k () const
	Return the turbulence kinetic energy. More...

virtual tmp< volScalarField >	epsilon () const
	Return the turbulence kinetic energy dissipation rate. More...

virtual tmp< volScalarField >	omega () const
	Return the turbulence kinetic energy dissipation rate. More...

void	operator= (const kOmegaSST &)=delete
	Disallow default bitwise assignment. More...

Public Member Functions inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > >
	eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity)
	Construct from components. More...

virtual	~eddyViscosity ()
	Destructor. More...

virtual tmp< volScalarField >	nut () const
	Return the turbulence viscosity. More...

virtual tmp< scalarField >	nut (const label patchi) const
	Return the turbulence viscosity on patch. More...

virtual tmp< volSymmTensorField >	R () const
	Return the Reynolds stress tensor [m^2/s^2]. More...

virtual void	validate ()
	Validate the turbulence fields after construction. More...

Public Member Functions inherited from linearViscousStress< BasicMomentumTransportModel >
	linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity)
	Construct from components. More...

virtual	~linearViscousStress ()
	Destructor. More...

virtual tmp< surfaceVectorField >	devTau () const
	Return the effective surface stress. More...

virtual tmp< fvVectorMatrix >	divDevTau (volVectorField &U) const
	Return the source term for the momentum equation. More...

virtual tmp< fvVectorMatrix >	divDevTau (const volScalarField &rho, volVectorField &U) const
	Return the source term for the momentum equation. More...

template<class RhoFieldType >
Foam::tmp< Foam::fvVectorMatrix >	DivDevTau (const RhoFieldType &rho, volVectorField &U) const

Protected Member Functions
virtual tmp< volScalarField >	F1 (const volScalarField &CDkOmega) const
	Modified form of the k-omega SST F1 function. More...

virtual tmp< volScalarField::Internal >	Pk (const volScalarField::Internal &G) const
	Modified form of the k-omega SST k production rate. More...

virtual tmp< volScalarField::Internal >	epsilonByk (const volScalarField::Internal &F1, const volScalarField::Internal &F2) const
	Modified form of the k-omega SST epsilon/k. More...

tmp< volScalarField::Internal >	Fthetat (const volScalarField::Internal &Us, const volScalarField::Internal &Omega, const volScalarField::Internal &nu) const
	Freestream blending-function. More...

tmp< volScalarField::Internal >	ReThetac () const
	Empirical correlation for critical Reynolds number where the. More...

tmp< volScalarField::Internal >	Flength (const volScalarField::Internal &nu) const
	Empirical correlation that controls the length of the. More...

tmp< volScalarField::Internal >	Fonset (const volScalarField::Internal &Rev, const volScalarField::Internal &ReThetac, const volScalarField::Internal &RT) const
	Transition onset location control function. More...

tmp< volScalarField::Internal >	ReThetat0 (const volScalarField::Internal &Us, const volScalarField::Internal &dUsds, const volScalarField::Internal &nu) const
	Return the transition onset momentum-thickness Reynolds number. More...

void	correctReThetatGammaInt ()
	Solve the turbulence equations and correct the turbulence viscosity. More...

Protected Member Functions inherited from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >
virtual tmp< volScalarField >	F2 () const

virtual tmp< volScalarField >	F3 () const

virtual tmp< volScalarField >	F23 () const

tmp< volScalarField >	blend (const volScalarField &F1, const dimensionedScalar &psi1, const dimensionedScalar &psi2) const

tmp< volScalarField::Internal >	blend (const volScalarField::Internal &F1, const dimensionedScalar &psi1, const dimensionedScalar &psi2) const

tmp< volScalarField >	alphaK (const volScalarField &F1) const

tmp< volScalarField >	alphaOmega (const volScalarField &F1) const

tmp< volScalarField::Internal >	beta (const volScalarField::Internal &F1) const

tmp< volScalarField::Internal >	gamma (const volScalarField::Internal &F1) const

void	boundOmega ()
	Bound omega. More...

virtual void	correctNut (const volScalarField &S2, const volScalarField &F2)

virtual void	correctNut ()

virtual tmp< fvScalarMatrix >	kSource () const

virtual tmp< fvScalarMatrix >	omegaSource () const

virtual tmp< fvScalarMatrix >	Qsas (const volScalarField::Internal &S2, const volScalarField::Internal &gamma, const volScalarField::Internal &beta) const

Protected Member Functions inherited from linearViscousStress< BasicMomentumTransportModel >
template<class RhoFieldType >
tmp< fvVectorMatrix >	DivDevTau (const RhoFieldType &rho, volVectorField &U) const
	Return the source term for the momentum equation. More...

Protected Attributes
dimensionedScalar	ca1_

dimensionedScalar	ca2_

dimensionedScalar	ce1_

dimensionedScalar	ce2_

dimensionedScalar	cThetat_

dimensionedScalar	sigmaThetat_

scalar	lambdaErr_
	Convergence criterion for the lambda/thetat loop. More...

label	maxLambdaIter_
	Maximum number of iterations to converge the lambda/thetat loop. More...

const dimensionedScalar	deltaU_
	Stabilisation for division by the magnitude of the velocity. More...

volScalarField	ReThetat_
	Transition onset momentum-thickness Reynolds number. More...

volScalarField	gammaInt_
	Intermittency. More...

volScalarField::Internal	gammaIntEff_
	Effective intermittency. More...

Protected Attributes inherited from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >
dimensionedScalar	alphaK1_

dimensionedScalar	alphaK2_

dimensionedScalar	alphaOmega1_

dimensionedScalar	alphaOmega2_

dimensionedScalar	gamma1_

dimensionedScalar	gamma2_

dimensionedScalar	beta1_

dimensionedScalar	beta2_

dimensionedScalar	betaStar_

dimensionedScalar	a1_

dimensionedScalar	b1_

dimensionedScalar	c1_

Switch	F3_

volScalarField	k_

volScalarField	omega_

Protected Attributes inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > >
volScalarField	nut_

Detailed Description

template<class BasicMomentumTransportModel>
class Foam::RASModels::kOmegaSSTLM< BasicMomentumTransportModel >

Langtry-Menter 4-equation transitional SST model based on the k-omega-SST RAS model.

References:

    Langtry, R. B., & Menter, F. R. (2009).
    Correlation-based transition modeling for unstructured parallelized
    computational fluid dynamics codes.
    AIAA journal, 47(12), 2894-2906.

    Menter, F. R., Langtry, R., & Volker, S. (2006).
    Transition modelling for general purpose CFD codes.
    Flow, turbulence and combustion, 77(1-4), 277-303.

    Langtry, R. B. (2006).
    A correlation-based transition model using local variables for
    unstructured parallelized CFD codes.
    Phd. Thesis, Universität Stuttgart.

The model coefficients are

    kOmegaSSTCoeffs
    {
        // Default SST coefficients
        alphaK1     0.85;
        alphaK2     1;
        alphaOmega1 0.5;
        alphaOmega2 0.856;
        beta1       0.075;
        beta2       0.0828;
        betaStar    0.09;
        gamma1      5/9;
        gamma2      0.44;
        a1          0.31;
        b1          1;
        c1          10;
        F3          no;

        // Default LM coefficients
        ca1         2;
        ca2         0.06;
        ce1         1;
        ce2         50;
        cThetat     0.03;
        sigmaThetat 2;

        lambdaErr   1e-6;
        maxLambdaIter 10;
    }

Source files

Definition at line 101 of file kOmegaSSTLM.H.

Member Typedef Documentation

◆ alphaField

typedef BasicMomentumTransportModel::alphaField alphaField

Definition at line 202 of file kOmegaSSTLM.H.

◆ rhoField

typedef BasicMomentumTransportModel::rhoField rhoField

Definition at line 203 of file kOmegaSSTLM.H.

Constructor & Destructor Documentation

◆ kOmegaSSTLM() [1/2]

kOmegaSSTLM	(	const alphaField &	alpha,
		const rhoField &	rho,
		const volVectorField &	U,
		const surfaceScalarField &	alphaRhoPhi,
		const surfaceScalarField &	phi,
		const viscosity &	viscosity,
		const word &	type = `typeName`
	)

Construct from components.

Definition at line 337 of file kOmegaSSTLM.C.

◆ kOmegaSSTLM() [2/2]

kOmegaSSTLM ( const kOmegaSSTLM< BasicMomentumTransportModel > & )

delete

Disallow default bitwise copy construction.

◆ ~kOmegaSSTLM()

virtual ~kOmegaSSTLM ( )

inlinevirtual

Destructor.

Definition at line 229 of file kOmegaSSTLM.H.

Member Function Documentation

◆ F1()

tmp< volScalarField > F1 ( const volScalarField & CDkOmega ) const

protectedvirtual

Modified form of the k-omega SST F1 function.

Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >.

Definition at line 38 of file kOmegaSSTLM.C.

References Foam::exp(), F3, Foam::max(), Foam::pow(), Foam::Ry(), Foam::sqrt(), and y.

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◆ Pk()

tmp< volScalarField::Internal > Pk ( const volScalarField::Internal & G ) const

protectedvirtual

Modified form of the k-omega SST k production rate.

Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >.

Definition at line 51 of file kOmegaSSTLM.C.

References Foam::constant::universal::G, and kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >::Pk().

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◆ epsilonByk()

tmp< volScalarField::Internal > epsilonByk	(	const volScalarField::Internal &	F1,
		const volScalarField::Internal &	F2
	)		const

protectedvirtual

Modified form of the k-omega SST epsilon/k.

Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >.

Definition at line 62 of file kOmegaSSTLM.C.

References kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >::epsilonByk(), F1, F2, Foam::max(), and Foam::min().

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◆ Fthetat()

tmp< volScalarField::Internal > Fthetat	(	const volScalarField::Internal &	Us,
		const volScalarField::Internal &	Omega,
		const volScalarField::Internal &	nu
	)		const

protected

Freestream blending-function.

Definition at line 75 of file kOmegaSSTLM.C.

References delta, Foam::exp(), Foam::max(), Foam::min(), DimensionedField< Type, GeoMesh, PrimitiveField >::New(), Foam::pow4(), Foam::sqr(), and y.

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◆ ReThetac()

tmp< volScalarField::Internal > ReThetac

protected

Empirical correlation for critical Reynolds number where the.

intermittency first starts to increase in the boundary layer

Definition at line 107 of file kOmegaSSTLM.C.

References Foam::dimless, forAll, DimensionedField< Type, GeoMesh, PrimitiveField >::New(), Foam::pow3(), Foam::pow4(), tmp< T >::ref(), and Foam::sqr().

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◆ Flength()

tmp< volScalarField::Internal > Flength ( const volScalarField::Internal & nu ) const

protected

Empirical correlation that controls the length of the.

transition region

Definition at line 142 of file kOmegaSSTLM.C.

References Foam::dimless, Foam::e, Foam::exp(), forAll, DimensionedField< Type, GeoMesh, PrimitiveField >::New(), Foam::pow3(), tmp< T >::ref(), Foam::sqr(), and y.

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◆ Fonset()

tmp< volScalarField::Internal > Fonset	(	const volScalarField::Internal &	Rev,
		const volScalarField::Internal &	ReThetac,
		const volScalarField::Internal &	RT
	)		const

protected

Transition onset location control function.

Definition at line 310 of file kOmegaSSTLM.C.

References Foam::max(), Foam::min(), DimensionedField< Type, GeoMesh, PrimitiveField >::New(), Foam::pow3(), and Foam::pow4().

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◆ ReThetat0()

tmp< volScalarField::Internal > ReThetat0	(	const volScalarField::Internal &	Us,
		const volScalarField::Internal &	dUsds,
		const volScalarField::Internal &	nu
	)		const

protected

Return the transition onset momentum-thickness Reynolds number.

(based on freestream conditions)

Definition at line 201 of file kOmegaSSTLM.C.

References Foam::dimless, Foam::endl(), Foam::exp(), forAll, k, lambda(), Foam::mag(), Foam::max(), Foam::min(), DimensionedField< Type, GeoMesh, PrimitiveField >::New(), Foam::pow(), Foam::pow3(), tmp< T >::ref(), Foam::sqr(), Foam::sqrt(), and WarningInFunction.

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◆ correctReThetatGammaInt()

void correctReThetatGammaInt

protected

Solve the turbulence equations and correct the turbulence viscosity.

Definition at line 434 of file kOmegaSSTLM.C.

References alpha(), Foam::bound(), tmp< T >::clear(), fvConstraints::constrain(), Foam::fvm::ddt(), Foam::fvm::div(), Foam::exp(), fvConstraints(), fvModels(), Foam::fvc::grad(), k, Foam::fvm::laplacian(), Foam::mag(), Foam::magSqr(), Foam::max(), Foam::min(), dictionary::New(), omega, Foam::pow4(), tmp< T >::ref(), rho, Foam::fvm::S(), Foam::skew(), Foam::solve(), fvModels::source(), Foam::fvm::Sp(), Foam::sqr(), Foam::sqrt(), Foam::symm(), U, and y.

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◆ TypeName()

TypeName ( "kOmegaSSTLM< BasicMomentumTransportModel >" )

Runtime type information.

◆ read()

bool read

virtual

Re-read model coefficients if they have changed.

Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >.

Definition at line 411 of file kOmegaSSTLM.C.

◆ ReThetat()

const volScalarField& ReThetat ( ) const

inline

Access function transition onset momentum-thickness Reynolds number.

Definition at line 239 of file kOmegaSSTLM.H.

References kOmegaSSTLM< BasicMomentumTransportModel >::ReThetat_.

◆ gammaInt()

const volScalarField& gammaInt ( ) const

inline

Access function to intermittency.

Definition at line 245 of file kOmegaSSTLM.H.

References kOmegaSSTLM< BasicMomentumTransportModel >::gammaInt_.

◆ DReThetatEff()

tmp<volScalarField> DReThetatEff ( ) const

inline

Return the effective diffusivity for transition onset.

momentum-thickness Reynolds number

Definition at line 252 of file kOmegaSSTLM.H.

◆ DgammaIntEff()

tmp<volScalarField> DgammaIntEff ( ) const

inline

Return the effective diffusivity for intermittency.

Definition at line 262 of file kOmegaSSTLM.H.

References GeometricField< Type, GeoMesh, PrimitiveField >::New(), and eddyViscosity< RASModel< BasicMomentumTransportModel > >::nut_.

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◆ correct()

void correct

virtual

Solve the turbulence equations and correct the turbulence viscosity.

Reimplemented from kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >.

Definition at line 536 of file kOmegaSSTLM.C.

References kOmegaSST< eddyViscosity< RASModel< BasicMomentumTransportModel > >, BasicMomentumTransportModel >::correct().

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◆ operator=()

void operator= ( const kOmegaSSTLM< BasicMomentumTransportModel > & )

delete

Disallow default bitwise assignment.

Member Data Documentation

◆ ca1_

dimensionedScalar ca1_

protected

Definition at line 111 of file kOmegaSSTLM.H.

◆ ca2_

dimensionedScalar ca2_

protected

Definition at line 112 of file kOmegaSSTLM.H.

◆ ce1_

dimensionedScalar ce1_

protected

Definition at line 114 of file kOmegaSSTLM.H.

◆ ce2_

dimensionedScalar ce2_

protected

Definition at line 115 of file kOmegaSSTLM.H.

◆ cThetat_

dimensionedScalar cThetat_

protected

Definition at line 117 of file kOmegaSSTLM.H.

◆ sigmaThetat_

dimensionedScalar sigmaThetat_

protected

Definition at line 118 of file kOmegaSSTLM.H.

◆ lambdaErr_

scalar lambdaErr_

protected

Convergence criterion for the lambda/thetat loop.

Definition at line 121 of file kOmegaSSTLM.H.

◆ maxLambdaIter_

label maxLambdaIter_

protected

Maximum number of iterations to converge the lambda/thetat loop.

Definition at line 124 of file kOmegaSSTLM.H.

◆ deltaU_

const dimensionedScalar deltaU_

protected

Stabilisation for division by the magnitude of the velocity.

Definition at line 127 of file kOmegaSSTLM.H.

◆ ReThetat_

volScalarField ReThetat_

protected

Transition onset momentum-thickness Reynolds number.

Definition at line 133 of file kOmegaSSTLM.H.

Referenced by kOmegaSSTLM< BasicMomentumTransportModel >::ReThetat().

◆ gammaInt_

volScalarField gammaInt_

protected

Intermittency.

Definition at line 136 of file kOmegaSSTLM.H.

Referenced by kOmegaSSTLM< BasicMomentumTransportModel >::gammaInt().

◆ gammaIntEff_

volScalarField::Internal gammaIntEff_

protected

Effective intermittency.

Definition at line 139 of file kOmegaSSTLM.H.

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

src/MomentumTransportModels/momentumTransportModels/RAS/kOmegaSSTLM/kOmegaSSTLM.H
src/MomentumTransportModels/momentumTransportModels/RAS/kOmegaSSTLM/kOmegaSSTLM.C

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

template<class BasicMomentumTransportModel> class Foam::RASModels::kOmegaSSTLM< BasicMomentumTransportModel >

Member Typedef Documentation

◆ alphaField

◆ rhoField

Constructor & Destructor Documentation

◆ kOmegaSSTLM() [1/2]

◆ kOmegaSSTLM() [2/2]

◆ ~kOmegaSSTLM()

Member Function Documentation

◆ F1()

◆ Pk()

◆ epsilonByk()

◆ Fthetat()

◆ ReThetac()

◆ Flength()

◆ Fonset()

◆ ReThetat0()

◆ correctReThetatGammaInt()

◆ TypeName()

◆ read()

◆ ReThetat()

◆ gammaInt()

◆ DReThetatEff()

◆ DgammaIntEff()

◆ correct()

◆ operator=()

Member Data Documentation

◆ ca1_

◆ ca2_

◆ ce1_

◆ ce2_

◆ cThetat_

◆ sigmaThetat_

◆ lambdaErr_

◆ maxLambdaIter_

◆ deltaU_

◆ ReThetat_

◆ gammaInt_

◆ gammaIntEff_

template<class BasicMomentumTransportModel>
class Foam::RASModels::kOmegaSSTLM< BasicMomentumTransportModel >