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Relaxation< CloudType > Class Template Reference

Relaxation collisional damping model. More...

Inheritance diagram for Relaxation< CloudType >:
Collaboration diagram for Relaxation< CloudType >:

Public Member Functions

 TypeName ("relaxation")
 Runtime type information. More...
 
 Relaxation (const dictionary &dict, CloudType &owner)
 Construct from components. More...
 
 Relaxation (const Relaxation< CloudType > &cm)
 Construct copy. More...
 
virtual autoPtr< DampingModel< CloudType > > clone () const
 Construct and return a clone. More...
 
virtual ~Relaxation ()
 Destructor. More...
 
virtual void cacheFields (const bool store)
 Member Functions. More...
 
virtual vector velocityCorrection (typename CloudType::parcelType &p, const scalar deltaT) const
 Calculate the velocity correction. More...
 
- Public Member Functions inherited from DampingModel< CloudType >
 TypeName ("dampingModel")
 Runtime type information. More...
 
 declareRunTimeSelectionTable (autoPtr, DampingModel, dictionary,(const dictionary &dict, CloudType &owner),(dict, owner))
 Declare runtime constructor selection table. More...
 
 DampingModel (CloudType &owner)
 Construct null from owner. More...
 
 DampingModel (const dictionary &dict, CloudType &owner, const word &type)
 Construct from components. More...
 
 DampingModel (const DampingModel< CloudType > &cm)
 Construct copy. More...
 
virtual ~DampingModel ()
 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)
 Copy constructor. More...
 
virtual ~CloudSubModelBase ()
 Destructor. More...
 
const CloudTypeowner () const
 Return const access to the owner cloud. More...
 
virtual bool writeTime () const
 Flag to indicate when to write a property. More...
 
CloudTypeowner ()
 Return non-const access to the owner cloud for manipulation. More...
 
virtual void write (Ostream &os) const
 Write. 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)
 Copy constructor. More...
 
virtual ~subModelBase ()
 Destructor. More...
 
const wordmodelName () const
 Return const access to the name of the sub-model. More...
 
const dictionarydict () const
 Return const access to the cloud dictionary. More...
 
const wordbaseName () const
 Return const access to the base name of the sub-model. More...
 
const wordmodelType () const
 Return const access to the sub-model type. More...
 
const dictionarycoeffDict () const
 Return const access to the coefficients dictionary. More...
 
const dictionaryproperties () 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...
 
void operator= (const subModelBase &)=delete
 Disallow default bitwise assignment. 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 DampingModel< CloudType >
static autoPtr< DampingModel< CloudType > > New (const dictionary &dict, CloudType &owner)
 Selector. 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 DampingModel< CloudType >
autoPtr< TimeScaleModeltimeScaleModel_
 Time scale model. More...
 
- Protected Attributes inherited from CloudSubModelBase< CloudType >
CloudTypeowner_
 Reference to the cloud. More...
 
- Protected Attributes inherited from subModelBase
const word modelName_
 Name of the sub-model. More...
 
dictionaryproperties_
 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...
 

Detailed Description

template<class CloudType>
class Foam::DampingModels::Relaxation< CloudType >

Relaxation collisional damping model.

Particle velocities are relaxed towards the local mean over a time-scale.

Reference:

    "An improved collision damping time for MP-PIC calculations of dense
    particle flows with applications to polydisperse sedimenting beds and
    colliding particle jets"
    P O'Rourke and D Snider
    Chemical Engineering Science
    Volume 65, Issue 22, Pages 6014-6028, November 2010
Source files

Definition at line 63 of file Relaxation.H.

Constructor & Destructor Documentation

◆ Relaxation() [1/2]

Relaxation ( const dictionary dict,
CloudType owner 
)

Construct from components.

Definition at line 32 of file Relaxation.C.

◆ Relaxation() [2/2]

Relaxation ( const Relaxation< CloudType > &  cm)

Construct copy.

Definition at line 45 of file Relaxation.C.

References Relaxation< CloudType >::~Relaxation().

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◆ ~Relaxation()

~Relaxation ( )
virtual

Destructor.

Definition at line 59 of file Relaxation.C.

Referenced by Relaxation< CloudType >::clone(), and Relaxation< CloudType >::Relaxation().

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Member Function Documentation

◆ TypeName()

TypeName ( "relaxation"  )

Runtime type information.

◆ clone()

virtual autoPtr<DampingModel<CloudType> > clone ( ) const
inlinevirtual

Construct and return a clone.

Implements DampingModel< CloudType >.

Definition at line 90 of file Relaxation.H.

References Relaxation< CloudType >::cacheFields(), p, Relaxation< CloudType >::velocityCorrection(), and Relaxation< CloudType >::~Relaxation().

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◆ cacheFields()

void cacheFields ( const bool  store)
virtual

Member Functions.

Calculate the damping time scales

Reimplemented from subModelBase.

Definition at line 66 of file Relaxation.C.

References PtrList< Field< Type > >::clear(), cloudName(), dict, objectRegistry::lookupObject(), mesh, timeName, and Relaxation< CloudType >::velocityCorrection().

Referenced by Relaxation< CloudType >::clone().

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◆ velocityCorrection()

Foam::vector velocityCorrection ( typename CloudType::parcelType p,
const scalar  deltaT 
) const
virtual

Calculate the velocity correction.

Implements DampingModel< CloudType >.

Definition at line 137 of file Relaxation.C.

References x.

Referenced by Relaxation< CloudType >::cacheFields(), and Relaxation< CloudType >::clone().

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