Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
Casson Class Reference

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

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Public Member Functions

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

Protected Member Functions

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

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. More...
 

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

Definition at line 82 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 81 of file Casson.C.

◆ ~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 53 of file Casson.C.

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

Referenced by Casson::correct().

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◆ TypeName()

TypeName ( "Casson"  )

Runtime type information.

◆ nu() [1/2]

virtual tmp<volScalarField> nu ( ) const
inlinevirtual

Return the laminar viscosity.

Implements viscosityModel.

Definition at line 135 of file Casson.H.

References Casson::nu_.

◆ nu() [2/2]

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

Return the laminar viscosity for patch.

Implements viscosityModel.

Definition at line 141 of file Casson.H.

References GeometricField< Type, PatchField, GeoMesh >::boundaryField(), and Casson::nu_.

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◆ correct()

virtual void correct ( )
inlinevirtual

Correct the laminar viscosity.

Implements viscosityModel.

Definition at line 147 of file Casson.H.

References Casson::calcNu(), and Casson::nu_.

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◆ read()

bool read ( const dictionary &  viscosityProperties)
virtual

Read transportProperties dictionary.

Implements viscosityModel.

Definition at line 112 of file Casson.C.

References dictionary::optionalSubDict(), viscosityModel::read(), and dictionary::readEntry().

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Member Data Documentation

◆ nu_

volScalarField nu_
protected

Definition at line 101 of file Casson.H.

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

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