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

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

typedef BasicMomentumTransportModel::rhoField	rhoField

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

typedef BasicMomentumTransportModel::rhoField	rhoField

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 viscosity &viscosity, 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 viscosity &viscosity, const word &type=typeName)
	Construct from components. More...

virtual	~Maxwell ()
	Destructor. 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< 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	predict ()
	The Maxwell stress is not predicted. More...

virtual void	correct ()
	Correct the Maxwell stress. 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 viscosity &viscosity),(alpha, rho, U, alphaRhoPhi, phi, viscosity))

	laminarModel (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...

	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 >	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...

virtual tmp< volScalarField >	omega () const
	Return the turbulence specific 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 non-Newtonian 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 viscosity &viscosity)
	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:

    Phan-Thien, N., & 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.

Constructor & Destructor Documentation

◆ PTT() [1/2]

PTT	(	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 59 of file PTT.C.

References laminarModel< BasicMomentumTransportModel >::printCoeffs(), and Foam::type().

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◆ PTT() [2/2]

PTT ( const PTT< BasicMomentumTransportModel > & )

delete

Disallow default bitwise copy construction.

◆ ~PTT()

virtual ~PTT ( )

inlinevirtual

Destructor.

Definition at line 115 of file PTT.H.

Member Function Documentation

◆ sigmaSource()

tmp< fvSymmTensorMatrix > sigmaSource	(	const label	modei,
		volSymmTensorField &	sigma
	)		const

protectedvirtual

Reimplemented from Maxwell< BasicMomentumTransportModel >.

Definition at line 40 of file PTT.C.

References Foam::exp(), Foam::constant::physicoChemical::sigma, Foam::fvm::Sp(), and Foam::tr().

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◆ TypeName()

TypeName ( "PTT< BasicMomentumTransportModel >" )

Runtime type information.

◆ read()

bool read

virtual

Re-read model coefficients if they have changed.

Reimplemented from Maxwell< BasicMomentumTransportModel >.

Definition at line 93 of file PTT.C.

References Foam::dimless.

◆ operator=()

void operator= ( const PTT< BasicMomentumTransportModel > & )

delete

Disallow default bitwise assignment.

Member Data Documentation

◆ epsilons_

PtrList<dimensionedScalar> epsilons_

protected

Definition at line 73 of file PTT.H.

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

src/MomentumTransportModels/momentumTransportModels/laminar/PTT/PTT.H
src/MomentumTransportModels/momentumTransportModels/laminar/PTT/PTT.C

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members