The velocity is perturbed in random direction, with a Gaussian random number distribution with variance sigma. where sigma is defined below. More...


Public Member Functions | |
| TypeName ("stochasticDispersionRAS") | |
| Runtime type information. More... | |
| StochasticDispersionRAS (const dictionary &dict, CloudType &owner) | |
| Construct from components. More... | |
| StochasticDispersionRAS (const StochasticDispersionRAS< CloudType > &dm) | |
| Construct copy. More... | |
| virtual autoPtr< DispersionModel< CloudType > > | clone () const |
| Construct and return a clone. More... | |
| virtual | ~StochasticDispersionRAS () |
| Destructor. More... | |
| virtual vector | update (const scalar dt, const label celli, const vector &U, const vector &Uc, vector &UTurb, scalar &tTurb) |
| Update (disperse particles) More... | |
Public Member Functions inherited from DispersionRASModel< CloudType > | |
| TypeName ("dispersionRASModel") | |
| Runtime type information. More... | |
| DispersionRASModel (const dictionary &dict, CloudType &owner) | |
| Construct from components. More... | |
| DispersionRASModel (const DispersionRASModel< CloudType > &dm) | |
| Construct copy. More... | |
| virtual | ~DispersionRASModel () |
| Destructor. More... | |
| virtual void | cacheFields (const bool store) |
| Cache carrier fields. More... | |
| virtual void | write (Ostream &os) const |
| Write. More... | |
Public Member Functions inherited from DispersionModel< CloudType > | |
| TypeName ("dispersionModel") | |
| Runtime type information. More... | |
| declareRunTimeSelectionTable (autoPtr, DispersionModel, dictionary,(const dictionary &dict, CloudType &owner),(dict, owner)) | |
| DispersionModel (CloudType &owner) | |
| Construct null from owner. More... | |
| DispersionModel (const dictionary &dict, CloudType &owner, const word &type) | |
| Construct from components. More... | |
| DispersionModel (const DispersionModel< CloudType > &dm) | |
| Construct copy. More... | |
| virtual | ~DispersionModel () |
| Destructor. More... | |
Public Member Functions inherited from CloudSubModelBase< CloudType > | |
| CloudSubModelBase (CloudType &owner) | |
| Construct null from owner cloud. More... | |
| CloudSubModelBase (CloudType &owner, const dictionary &dict, const word &baseName, const word &modelType, const word &dictExt="Coeffs") | |
| Construct from owner cloud without name. More... | |
| CloudSubModelBase (const word &modelName, CloudType &owner, const dictionary &dict, const word &baseName, const word &modelType) | |
| Construct from owner cloud with name. More... | |
| CloudSubModelBase (const CloudSubModelBase< CloudType > &smb) | |
| Construct as copy. More... | |
| virtual | ~CloudSubModelBase () |
| Destructor. More... | |
| const CloudType & | owner () const |
| Return const access to the owner cloud. More... | |
| virtual bool | writeTime () const |
| Flag to indicate when to write a property. More... | |
| CloudType & | owner () |
| Return non-const access to the owner cloud for manipulation. More... | |
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) | |
| Construct as copy. 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... | |
| 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... | |
Additional Inherited Members | |
Public Types inherited from CloudSubModelBase< CloudType > | |
| typedef CloudType | cloudType |
| Type of cloud this model was instantiated for. More... | |
Static Public Member Functions inherited from DispersionModel< CloudType > | |
| static autoPtr< DispersionModel< CloudType > > | New (const dictionary &dict, CloudType &owner) |
| Selector. More... | |
Protected Member Functions inherited from DispersionRASModel< CloudType > | |
| tmp< volScalarField > | kModel () const |
| Return the k field from the turbulence model. More... | |
| tmp< volScalarField > | epsilonModel () const |
| Return the epsilon field from the turbulence model. More... | |
Protected Member Functions inherited from subModelBase | |
| bool | inLine () const |
| Flag to indicate whether data is/was read in-line. More... | |
Protected Attributes inherited from DispersionRASModel< CloudType > | |
| const volScalarField * | kPtr_ |
| Turbulence k. More... | |
| bool | ownK_ |
| Take ownership of the k field. More... | |
| const volScalarField * | epsilonPtr_ |
| Turbulence epsilon. More... | |
| bool | ownEpsilon_ |
| Take ownership of the epsilon field. More... | |
Protected Attributes inherited from CloudSubModelBase< CloudType > | |
| CloudType & | owner_ |
| Reference to the cloud. 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... | |
The velocity is perturbed in random direction, with a Gaussian random number distribution with variance sigma. where sigma is defined below.
Definition at line 48 of file StochasticDispersionRAS.H.
| StochasticDispersionRAS | ( | const dictionary & | dict, |
| CloudType & | owner | ||
| ) |
Construct from components.
Definition at line 35 of file StochasticDispersionRAS.C.
| StochasticDispersionRAS | ( | const StochasticDispersionRAS< CloudType > & | dm | ) |
Construct copy.
Definition at line 46 of file StochasticDispersionRAS.C.
|
virtual |
Destructor.
Definition at line 57 of file StochasticDispersionRAS.C.
References StochasticDispersionRAS< CloudType >::update().
Referenced by StochasticDispersionRAS< CloudType >::clone().


| TypeName | ( | "stochasticDispersionRAS" | ) |
Runtime type information.
|
inlinevirtual |
Construct and return a clone.
Implements DispersionRASModel< CloudType >.
Definition at line 67 of file StochasticDispersionRAS.H.
References U, StochasticDispersionRAS< CloudType >::update(), and StochasticDispersionRAS< CloudType >::~StochasticDispersionRAS().

|
virtual |
Update (disperse particles)
Implements DispersionRASModel< CloudType >.
Definition at line 65 of file StochasticDispersionRAS.C.
References Foam::cos(), epsilon, cachedRandom::GaussNormal(), k, Foam::mag(), Foam::min(), Foam::pow(), DSMCCloud< ParcelType >::rndGen(), cachedRandom::sample01(), Foam::constant::physicoChemical::sigma, Foam::sin(), Foam::sqr(), Foam::sqrt(), Foam::constant::mathematical::twoPi(), and Foam::Zero.
Referenced by StochasticDispersionRAS< CloudType >::clone(), and StochasticDispersionRAS< CloudType >::~StochasticDispersionRAS().


1.8.13