Variant of the standard k-epsilon turbulence model with additional source terms to handle the changes in turbulence in porous regions represented by the powerLawLopesdaCosta porosity model. More...

Inheritance diagram for kEpsilonLopesdaCosta< BasicMomentumTransportModel >:

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Collaboration diagram for kEpsilonLopesdaCosta< BasicMomentumTransportModel >:

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Public Types
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 ("kEpsilonLopesdaCosta")
	Runtime type information. More...

	kEpsilonLopesdaCosta (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...

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

virtual	~kEpsilonLopesdaCosta ()
	Destructor. More...

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

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

tmp< volScalarField >	DepsilonEff () const
	Return the effective diffusivity for epsilon. 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 specific dissipation rate. More...

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

void	operator= (const kEpsilonLopesdaCosta &)=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 >	sigma () 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< volSymmTensorField >	devTau () const
	Return the effective stress tensor. 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...

Protected Member Functions
void	setPorosityCoefficient (volScalarField::Internal &C, const porosityModels::powerLawLopesdaCosta &pm)

void	setCdAv (volScalarField::Internal &C, const porosityModels::powerLawLopesdaCosta &pm)

void	setPorosityCoefficients ()

virtual void	correctNut ()

virtual tmp< fvScalarMatrix >	kSource (const volScalarField::Internal &magU, const volScalarField::Internal &magU3) const

virtual tmp< fvScalarMatrix >	epsilonSource (const volScalarField::Internal &magU, const volScalarField::Internal &magU3) const

Protected Attributes
volScalarField	Cmu_

volScalarField::Internal	C1_

volScalarField::Internal	C2_

volScalarField	sigmak_

volScalarField	sigmaEps_

volScalarField::Internal	CdAv_

volScalarField::Internal	betap_

volScalarField::Internal	betad_

volScalarField::Internal	C4_

volScalarField::Internal	C5_

volScalarField	k_

volScalarField	epsilon_

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

Detailed Description

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

Variant of the standard k-epsilon turbulence model with additional source terms to handle the changes in turbulence in porous regions represented by the powerLawLopesdaCosta porosity model.

Reference:

    Costa, J. C. P. L. D. (2007).
    Atmospheric flow over forested and non-forested complex terrain.

The default model coefficients are

    kEpsilonLopesdaCostaCoeffs
    {
        Cmu         0.09;
        C1          1.44;
        C2          1.92;
        sigmak      1.0;
        sigmaEps    1.3;
    }

See also: Foam::RASModels::kEpsilon Foam::porosityModels::powerLawLopesdaCosta

Source files

Definition at line 77 of file kEpsilonLopesdaCosta.H.

Member Typedef Documentation

◆ alphaField

typedef BasicMomentumTransportModel::alphaField alphaField

Definition at line 141 of file kEpsilonLopesdaCosta.H.

◆ rhoField

typedef BasicMomentumTransportModel::rhoField rhoField

Definition at line 142 of file kEpsilonLopesdaCosta.H.

Constructor & Destructor Documentation

◆ kEpsilonLopesdaCosta() [1/2]

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