Casson Class Reference

An incompressible Casson non-Newtonian viscosity model. More...

#include <Casson.H>

Inheritance diagram for Casson:

Collaboration diagram for Casson:

Public Member Functions
	TypeName ("Casson")
	Runtime type information.
	Casson (const word &name, const dictionary &viscosityProperties, const volVectorField &U, const surfaceScalarField &phi)
	Construct from components.
virtual	~Casson ()=default
	Destructor.
virtual tmp< volScalarField >	nu () const
	Return the laminar viscosity.
virtual tmp< scalarField >	nu (const label patchi) const
	Return the laminar viscosity for patch.
virtual void	correct ()
	Correct the laminar viscosity.
virtual bool	read (const dictionary &viscosityProperties)
	Read transportProperties dictionary.
Public Member Functions inherited from viscosityModel
	TypeName ("viscosityModel")
	Runtime type information.
	declareRunTimeSelectionTable (autoPtr, viscosityModel, dictionary,(const word &name, const dictionary &viscosityProperties, const volVectorField &U, const surfaceScalarField &phi),(name, viscosityProperties, U, phi))
	viscosityModel (const word &name, const dictionary &viscosityProperties, const volVectorField &U, const surfaceScalarField &phi)
	Construct from components.
virtual	~viscosityModel ()=default
	Destructor.
const dictionary &	viscosityProperties () const
	Return the phase transport properties dictionary.
tmp< volScalarField >	strainRate () const
	Return the strain rate.

Protected Member Functions
tmp< volScalarField >	calcNu () const
	Calculate and return the laminar viscosity.
Protected Member Functions inherited from viscosityModel
	viscosityModel (const viscosityModel &)=delete
	No copy construct.
void	operator= (const viscosityModel &)=delete
	No copy assignment.

Protected Attributes
volScalarField	nu_
Protected Attributes inherited from viscosityModel
word	name_
dictionary	viscosityProperties_
const volVectorField &	U_
const surfaceScalarField &	phi_

Additional Inherited Members
Static Public Member Functions inherited from viscosityModel
static autoPtr< viscosityModel >	New (const word &name, const dictionary &viscosityProperties, const volVectorField &U, const surfaceScalarField &phi)
	Return a reference to the selected viscosity model.

Detailed Description

An incompressible Casson non-Newtonian viscosity model.

References:

    Casson, N. (1959).
    Rheology of disperse systems.
    In Proceedings of a Conference Organized by the
    British Society of Rheology.
    Pergamon Press, New York.

    Fournier, R. L. (2011).
    Basic transport phenomena in biomedical engineering.
    CRC Press.

Example specification for blood:

     transportModel  Casson;

     CassonCoeffs
     {
         m       3.934986e-6;
         tau0    2.9032e-6;
         nuMax   13.3333e-6;
         nuMin   3.9047e-6;
     }

Source files

• Casson.H
• Casson.C

Definition at line 78 of file Casson.H.

Constructor & Destructor Documentation

Casson()

Casson	(	const word &	name,
		const dictionary &	viscosityProperties,
		const volVectorField &	U,
		const surfaceScalarField &	phi )

Construct from components.

Definition at line 73 of file Casson.C.

References calcNu(), Foam::dimTime, Foam::dimViscosity, Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, Foam::name(), nu_, phi, timeName, U, viscosityModel::U_, viscosityModel::viscosityModel(), and viscosityModel::viscosityProperties().

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~Casson()

virtual ~Casson ( )

virtualdefault

Destructor.

Member Function Documentation

calcNu()

Foam::tmp< Foam::volScalarField > calcNu ( ) const

protected

Calculate and return the laminar viscosity.

Definition at line 46 of file Casson.C.

References Foam::dimless, Foam::dimTime, Foam::max(), Foam::min(), Foam::sqr(), Foam::sqrt(), and viscosityModel::strainRate().

Referenced by Casson(), and correct().

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TypeName()

TypeName

(

"Casson"

)

Runtime type information.

References Foam::name(), phi, U, and viscosityModel::viscosityProperties().

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nu() [1/2]

virtual tmp< volScalarField > nu ( ) const

inlinevirtual

Return the laminar viscosity.

Implements viscosityModel.

Definition at line 141 of file Casson.H.

References nu_.

nu() [2/2]

virtual tmp< scalarField > nu ( const label patchi ) const

inlinevirtual

Return the laminar viscosity for patch.

Implements viscosityModel.

Definition at line 149 of file Casson.H.

References nu_.

correct()

virtual void correct ( )

inlinevirtual

Correct the laminar viscosity.

Implements viscosityModel.

Reimplemented in Arrhenius< Casson >.

Definition at line 157 of file Casson.H.

References calcNu(), and nu_.

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read()

bool read ( const dictionary & viscosityProperties )

virtual

Read transportProperties dictionary.

Implements viscosityModel.

Reimplemented in Arrhenius< Casson >.

Definition at line 104 of file Casson.C.

References Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, viscosityModel::read(), and viscosityModel::viscosityProperties().

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Member Data Documentation

nu_

volScalarField nu_

protected

Definition at line 97 of file Casson.H.

Referenced by Casson(), correct(), nu(), and nu().

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

• src/transportModels/incompressible/viscosityModels/Casson/Casson.H
• src/transportModels/incompressible/viscosityModels/Casson/Casson.C