PTT model for viscoelasticity using the upper-convected time derivative of the stress tensor with support for multiple modes. More...

Inheritance diagram for PTT< BasicMomentumTransportModel >:

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Collaboration diagram for PTT< BasicMomentumTransportModel >:

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Public Types
typedef BasicMomentumTransportModel::alphaField	alphaField

typedef BasicMomentumTransportModel::rhoField	rhoField

typedef BasicMomentumTransportModel::transportModel	transportModel

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

typedef BasicMomentumTransportModel::rhoField	rhoField

typedef BasicMomentumTransportModel::transportModel	transportModel

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

typedef BasicMomentumTransportModel::rhoField	rhoField

typedef BasicMomentumTransportModel::transportModel	transportModel

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

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

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

virtual	~PTT ()
	Destructor. More...

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

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

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

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

virtual	~Maxwell ()
	Destructor. More...

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

virtual void	correct ()
	Solve the turbulence equations and correct eddy-Viscosity and. More...

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

	declareRunTimeSelectionTable (autoPtr, laminarModel, dictionary,(const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport),(alpha, rho, U, alphaRhoPhi, phi, transport))

	laminarModel (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport)
	Construct from components. More...

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

virtual	~laminarModel ()
	Destructor. More...

virtual const dictionary &	coeffDict () const
	Const access to the coefficients dictionary. More...

virtual tmp< volScalarField >	nut () const
	Return the turbulence viscosity, i.e. 0 for laminar flow. More...

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

virtual tmp< volScalarField >	nuEff () const
	Return the effective viscosity, i.e. the laminar viscosity. More...

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

virtual tmp< volScalarField >	k () const
	Return the turbulence kinetic energy, i.e. 0 for laminar flow. More...

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

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

Protected Member Functions
virtual tmp< fvSymmTensorMatrix >	sigmaSource (const label modei, volSymmTensorField &sigma) const

Protected Member Functions inherited from Maxwell< BasicMomentumTransportModel >
PtrList< dimensionedScalar >	readModeCoefficients (const word &name, const dimensionSet &dims) const

tmp< volScalarField >	nu0 () const
	Return the turbulence viscosity. More...

Protected Member Functions inherited from laminarModel< BasicMomentumTransportModel >
virtual void	printCoeffs (const word &type)
	Print model coefficients. More...

Protected Attributes
PtrList< dimensionedScalar >	epsilons_

Protected Attributes inherited from Maxwell< BasicMomentumTransportModel >
PtrList< dictionary >	modeCoefficients_

label	nModes_

dimensionedScalar	nuM_

PtrList< dimensionedScalar >	lambdas_

volSymmTensorField	sigma_
	Single or mode sum viscoelastic stress. More...

PtrList< volSymmTensorField >	sigmas_
	Mode viscoelastic stresses. More...

Protected Attributes inherited from laminarModel< BasicMomentumTransportModel >
dictionary	laminarDict_
	laminar coefficients dictionary More...

Switch	printCoeffs_
	Flag to print the model coeffs at run-time. More...

dictionary	coeffDict_
	Model coefficients dictionary. More...

Additional Inherited Members
Static Public Member Functions inherited from laminarModel< BasicMomentumTransportModel >
static autoPtr< laminarModel >	New (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport)
	Return a reference to the selected laminar model. More...

Detailed Description

template<class BasicMomentumTransportModel>
class Foam::laminarModels::PTT< BasicMomentumTransportModel >

PTT model for viscoelasticity using the upper-convected time derivative of the stress tensor with support for multiple modes.

Reference:

    Thien, N. P., & Tanner, R. I. (1977).
    A new constitutive equation derived from network theory.
    Journal of Non-Newtonian Fluid Mechanics, 2(4), 353-365.

See also: Foam::laminarModels::Maxwell Foam::laminarModels::Giesekus

Source files

PTT.H
PTT.C

Definition at line 63 of file PTT.H.

Member Typedef Documentation

◆ alphaField

typedef BasicMomentumTransportModel::alphaField alphaField

Definition at line 87 of file PTT.H.

◆ rhoField

typedef BasicMomentumTransportModel::rhoField rhoField

Definition at line 88 of file PTT.H.

◆ transportModel

typedef BasicMomentumTransportModel::transportModel transportModel

Definition at line 89 of file PTT.H.

Constructor & Destructor Documentation

◆ PTT() [1/2]

PTT	(	const alphaField &	alpha,
		const rhoField &	rho,
		const volVectorField &	U,
		const surfaceScalarField &	alphaRhoPhi,
		const surfaceScalarField &	phi,
		const transportModel &	transport,
		const word &	type = `typeName`
	)