Thixotropic viscosity model based on the evolution of the structural parameter : More...
Public Member Functions | |
TypeName ("thixotropic") | |
Runtime type information. More... | |
thixotropicViscosity (surfaceFilmRegionModel &film, const dictionary &dict, volScalarField &mu) | |
Construct from surface film model. More... | |
thixotropicViscosity (const thixotropicViscosity &)=delete | |
Disallow default bitwise copy construction. More... | |
virtual | ~thixotropicViscosity () |
Destructor. More... | |
virtual void | correct (const volScalarField &p, const volScalarField &T) |
Correct. More... | |
void | operator= (const thixotropicViscosity &)=delete |
Disallow default bitwise assignment. More... | |
Public Member Functions inherited from filmViscosityModel | |
TypeName ("filmViscosityModel") | |
Runtime type information. More... | |
declareRunTimeSelectionTable (autoPtr, filmViscosityModel, dictionary,(surfaceFilmRegionModel &film, const dictionary &dict, volScalarField &mu),(film, dict, mu)) | |
filmViscosityModel (const word &modelType, surfaceFilmRegionModel &film, const dictionary &dict, volScalarField &mu) | |
Construct from type name, dictionary and surface film model. More... | |
filmViscosityModel (const filmViscosityModel &)=delete | |
Disallow default bitwise copy construction. More... | |
virtual | ~filmViscosityModel () |
Destructor. More... | |
virtual void | info (Ostream &os) const |
Provide some feedback. More... | |
void | operator= (const filmViscosityModel &)=delete |
Disallow default bitwise assignment. More... | |
Public Member Functions inherited from filmSubModelBase | |
filmSubModelBase (surfaceFilmRegionModel &film) | |
Construct null. More... | |
filmSubModelBase (surfaceFilmRegionModel &film, const dictionary &dict, const word &baseName, const word &modelType, const word &dictExt="Coeffs") | |
Construct from film film without name. More... | |
filmSubModelBase (const word &modelName, surfaceFilmRegionModel &film, const dictionary &dict, const word &baseName, const word &modelType) | |
Construct from film film with name. More... | |
virtual | ~filmSubModelBase () |
Destructor. More... | |
virtual bool | writeTime () const |
Flag to indicate when to write a property. More... | |
const surfaceFilmRegionModel & | film () const |
Return const access to the film surface film model. More... | |
surfaceFilmRegionModel & | film () |
Return the reference to the film surface film model. More... | |
template<class FilmType > | |
const FilmType & | filmType () const |
Public Member Functions inherited from subModelBase | |
subModelBase (dictionary &properties) | |
Construct null. More... | |
subModelBase (dictionary &properties, const dictionary &dict, const word &baseName, const word &modelType, const word &dictExt="Coeffs") | |
Construct from components without name. More... | |
subModelBase (const word &modelName, dictionary &properties, const dictionary &dict, const word &baseName, const word &modelType) | |
Construct from components with name. More... | |
subModelBase (const subModelBase &smb) | |
Copy constructor. More... | |
virtual | ~subModelBase () |
Destructor. More... | |
const word & | modelName () const |
Return const access to the name of the sub-model. More... | |
const dictionary & | dict () const |
Return const access to the cloud dictionary. More... | |
const word & | baseName () const |
Return const access to the base name of the sub-model. More... | |
const word & | modelType () const |
Return const access to the sub-model type. More... | |
const dictionary & | coeffDict () const |
Return const access to the coefficients dictionary. More... | |
const dictionary & | properties () const |
Return const access to the properties dictionary. More... | |
virtual bool | defaultCoeffs (const bool printMsg) const |
Returns true if defaultCoeffs is true and outputs on printMsg. More... | |
virtual bool | active () const |
Return the model 'active' status - default active = true. More... | |
virtual void | cacheFields (const bool store) |
Cache dependent sub-model fields. More... | |
template<class Type > | |
Type | getBaseProperty (const word &entryName, const Type &defaultValue=pTraits< Type >::zero) const |
Retrieve generic property from the base model. More... | |
template<class Type > | |
void | getBaseProperty (const word &entryName, Type &value) const |
Retrieve generic property from the base model. More... | |
template<class Type > | |
void | setBaseProperty (const word &entryName, const Type &value) |
Add generic property to the base model. More... | |
template<class Type > | |
void | getModelProperty (const word &entryName, Type &value) const |
Retrieve generic property from the sub-model. More... | |
template<class Type > | |
Type | getModelProperty (const word &entryName, const Type &defaultValue=pTraits< Type >::zero) const |
Retrieve generic property from the sub-model. More... | |
template<class Type > | |
void | setModelProperty (const word &entryName, const Type &value) |
Add generic property to the sub-model. More... | |
virtual void | write (Ostream &os) const |
Write. More... | |
void | operator= (const subModelBase &)=delete |
Disallow default bitwise assignment. More... | |
Protected Attributes | |
dimensionedScalar | a_ |
Model `a' coefficient. More... | |
dimensionedScalar | b_ |
Model `b' coefficient. More... | |
dimensionedScalar | d_ |
Model `d' coefficient. More... | |
dimensionedScalar | c_ |
Model `c' coefficient (read after d since dims depend on d value) More... | |
dimensionedScalar | mu0_ |
Limiting viscosity when lambda = 1. More... | |
dimensionedScalar | muInf_ |
Limiting viscosity when lambda = 0. More... | |
bool | BinghamPlastic_ |
dimensionedScalar | tauy_ |
dimensionedScalar | K_ |
Model coefficient. More... | |
volScalarField | lambda_ |
Structural parameter. More... | |
Protected Attributes inherited from filmViscosityModel | |
volScalarField & | mu_ |
Reference to the viscosity field. More... | |
Protected Attributes inherited from filmSubModelBase | |
surfaceFilmRegionModel & | filmModel_ |
Reference to the film surface film model. More... | |
Protected Attributes inherited from subModelBase | |
const word | modelName_ |
Name of the sub-model. More... | |
dictionary & | properties_ |
Reference to properties dictionary e.g. for restart. More... | |
const dictionary | dict_ |
Copy of dictionary used during construction. More... | |
const word | baseName_ |
Name of the sub-model base class. More... | |
const word | modelType_ |
Type of the sub-model. More... | |
const dictionary | coeffDict_ |
Coefficients dictionary. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from filmViscosityModel | |
static autoPtr< filmViscosityModel > | New (surfaceFilmRegionModel &film, const dictionary &dict, volScalarField &mu) |
Return a reference to the selected phase change model. More... | |
Protected Member Functions inherited from subModelBase | |
bool | inLine () const |
Flag to indicate whether data is/was read in-line. More... | |
Thixotropic viscosity model based on the evolution of the structural parameter :
The viscosity is then calculated using the expression
Where the parameter K is given by:
Here:
= | structural parameter | |
= | model coefficient | |
= | model coefficient | |
= | model coefficient | |
= | model coefficient | |
= | stress rate [1/s] | |
= | limiting viscosity when | |
= | limiting viscosity when |
Reference:
Barnes H A, 1997. Thixotropy - a review. J. Non-Newtonian Fluid Mech 70, pp 1-33
Definition at line 119 of file thixotropicViscosity.H.
thixotropicViscosity | ( | surfaceFilmRegionModel & | film, |
const dictionary & | dict, | ||
volScalarField & | mu | ||
) |
Construct from surface film model.
Definition at line 59 of file thixotropicViscosity.C.
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delete |
Disallow default bitwise copy construction.
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virtual |
Destructor.
Definition at line 104 of file thixotropicViscosity.C.
References thixotropicViscosity::correct().
TypeName | ( | "thixotropic" | ) |
Runtime type information.
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virtual |
Correct.
Implements filmViscosityModel.
Definition at line 111 of file thixotropicViscosity.C.
References thixotropicViscosity::a_, kinematicSingleLayer::alpha(), thixotropicViscosity::b_, thixotropicViscosity::BinghamPlastic_, thixotropicViscosity::c_, GeometricField< Type, PatchField, GeoMesh >::correctBoundaryConditions(), kinematicSingleLayer::coverage(), thixotropicViscosity::d_, Foam::fvm::ddt(), delta, kinematicSingleLayer::delta(), kinematicSingleLayer::deltaSmall(), dimensioned< Type >::dimensions(), DimensionedField< Type, GeoMesh >::dimensions(), Foam::fvm::div(), Foam::fvc::div(), Foam::e, thixotropicViscosity::K_, thixotropicViscosity::lambda_, Foam::mag(), Foam::max(), GeometricField< Type, PatchField, GeoMesh >::max(), Foam::min(), GeometricField< Type, PatchField, GeoMesh >::min(), thixotropicViscosity::mu0_, filmViscosityModel::mu_, thixotropicViscosity::muInf_, kinematicSingleLayer::phiU(), Foam::pow(), GeometricField< Type, PatchField, GeoMesh >::ref(), fvMatrix< Type >::relax(), kinematicSingleLayer::rho(), kinematicSingleLayer::rhoSp(), Foam::fvm::Sp(), Foam::sqr(), thixotropicViscosity::tauy_, kinematicSingleLayer::Us(), and kinematicSingleLayer::Uw().
Referenced by thixotropicViscosity::~thixotropicViscosity().
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delete |
Disallow default bitwise assignment.
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protected |
Model `a' coefficient.
Definition at line 128 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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Model `b' coefficient.
Definition at line 131 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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Model `d' coefficient.
Definition at line 134 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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Model `c' coefficient (read after d since dims depend on d value)
Definition at line 137 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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Limiting viscosity when lambda = 1.
Definition at line 140 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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Limiting viscosity when lambda = 0.
Definition at line 143 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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Definition at line 145 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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protected |
Definition at line 147 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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protected |
Model coefficient.
Definition at line 150 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().
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protected |
Structural parameter.
0 = freestream value (most liquid) 1 = fully built (most solid)
Definition at line 155 of file thixotropicViscosity.H.
Referenced by thixotropicViscosity::correct().