The velocity is perturbed in the direction of -grad(k), with a Gaussian random number distribution with variance sigma. where sigma is defined below. More...

#include <GradientDispersionRAS.H>

Inheritance diagram for GradientDispersionRAS< CloudType >:

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Public Member Functions
	TypeName ("gradientDispersionRAS")
	Runtime type information.
	GradientDispersionRAS (const dictionary &dict, CloudType &owner)
	Construct from components.
	GradientDispersionRAS (const GradientDispersionRAS< CloudType > &dm)
	Construct copy.
virtual autoPtr< DispersionModel< CloudType > >	clone () const
	Construct and return a clone.
virtual	~GradientDispersionRAS ()
	Destructor.
virtual void	cacheFields (const bool store)
	Cache carrier fields.
virtual vector	update (const scalar dt, const label celli, const vector &U, const vector &Uc, vector &UTurb, scalar &tTurb)
	Update (disperse particles).
Public Member Functions inherited from DispersionRASModel< CloudType >
	TypeName ("dispersionRASModel")
	Runtime type information.
	DispersionRASModel (const dictionary &dict, CloudType &owner)
	Construct from components.
	DispersionRASModel (const DispersionRASModel< CloudType > &dm)
	Construct copy.
virtual	~DispersionRASModel ()
	Destructor.
virtual void	write (Ostream &os) const
	Write.
Public Member Functions inherited from DispersionModel< CloudType >
	TypeName ("dispersionModel")
	Runtime type information.
	declareRunTimeSelectionTable (autoPtr, DispersionModel, dictionary,(const dictionary &dict, CloudType &owner),(dict, owner))
	DispersionModel (CloudType &owner)
	Construct null from owner.
	DispersionModel (const dictionary &dict, CloudType &owner, const word &type)
	Construct from components.
	DispersionModel (const DispersionModel< CloudType > &dm)
	Construct copy.
virtual	~DispersionModel ()
	Destructor.
Public Member Functions inherited from CloudSubModelBase< CloudType >
	CloudSubModelBase (CloudType &owner)
	Construct null from owner cloud.
	CloudSubModelBase (CloudType &owner, const dictionary &dict, const word &baseName, const word &modelType, const word &dictExt="Coeffs")
	Construct from owner cloud without name.
	CloudSubModelBase (const word &modelName, CloudType &owner, const dictionary &dict, const word &baseName, const word &modelType)
	Construct from owner cloud with name.
	CloudSubModelBase (const CloudSubModelBase< CloudType > &smb)
	Construct as copy.
virtual	~CloudSubModelBase ()=default
	Destructor.
const CloudType &	owner () const
	Return const access to the owner cloud.
virtual bool	writeTime () const
	Flag to indicate when to write a property.
virtual fileName	localPath () const
	Output directory.
CloudType &	owner ()
	Return non-const access to the owner cloud for manipulation.
virtual void	info ()
	Write to info.
Public Member Functions inherited from subModelBase
	subModelBase (dictionary &properties)
	Construct null.
	subModelBase (dictionary &properties, const dictionary &dict, const word &baseName, const word &modelType, const word &dictExt="Coeffs")
	Construct from components without name.
	subModelBase (const word &modelName, dictionary &properties, const dictionary &dict, const word &baseName, const word &modelType)
	Construct from components with name.
	subModelBase (const subModelBase &smb)
	Construct as copy.
virtual	~subModelBase ()=default
	Destructor.
const word &	modelName () const
	Return const access to the name of the sub-model.
const dictionary &	dict () const
	Return const access to the cloud dictionary.
const word &	baseName () const
	Return const access to the base name of the sub-model.
const word &	modelType () const
	Return const access to the sub-model type.
const dictionary &	coeffDict () const
	Return const access to the coefficients dictionary.
const dictionary &	properties () const
	Return const access to the properties dictionary.
virtual bool	defaultCoeffs (const bool printMsg) const
	Returns true if defaultCoeffs is true and outputs on printMsg.
virtual bool	active () const
	Return the model 'active' status - default active = true.
template<class Type>
Type	getBaseProperty (const word &entryName, const Type &defaultValue=Type(Zero)) const
	Retrieve generic property from the base model.
template<class Type>
void	getBaseProperty (const word &entryName, Type &value) const
	Retrieve generic property from the base model.
template<class Type>
void	setBaseProperty (const word &entryName, const Type &value)
	Add generic property to the base model.
bool	getModelDict (const word &entryName, dictionary &dict) const
	Retrieve dictionary, return true if set.
template<class Type>
bool	getModelProperty (const word &entryName, Type &value) const
	Retrieve generic property from the sub-model.
template<class Type>
Type	getModelProperty (const word &entryName, const Type &defaultValue=Type(Zero)) const
	Retrieve generic property from the sub-model.
template<class Type>
void	setModelProperty (const word &entryName, const Type &value)
	Add generic property to the sub-model.

Protected Attributes
const volVectorField *	gradkPtr_
	Gradient of k.
bool	ownGradK_
	Take ownership of the grad(k).
Protected Attributes inherited from DispersionRASModel< CloudType >
const volScalarField *	kPtr_
	Turbulence k.
const volScalarField *	epsilonPtr_
	Turbulence epsilon.
bool	ownK_
	Local ownership of the k field.
bool	ownEpsilon_
	Local ownership of the epsilon field.
Protected Attributes inherited from CloudSubModelBase< CloudType >
CloudType &	owner_
	Reference to the cloud.
Protected Attributes inherited from subModelBase
const word	modelName_
	Name of the sub-model.
dictionary &	properties_
	Reference to properties dictionary e.g. for restart.
const dictionary	dict_
	Copy of dictionary used during construction.
const word	baseName_
	Name of the sub-model base class.
const word	modelType_
	Type of the sub-model.
const dictionary	coeffDict_
	Coefficients dictionary.

Additional Inherited Members
Public Types inherited from CloudSubModelBase< CloudType >
typedef CloudType	cloudType
	Type of cloud this model was instantiated for.
Static Public Member Functions inherited from DispersionModel< CloudType >
static autoPtr< DispersionModel< CloudType > >	New (const dictionary &dict, CloudType &owner)
	Selector.
Public Attributes inherited from subModelBase
bool	log
	Flag to write log into Info.
Protected Member Functions inherited from DispersionRASModel< CloudType >
tmp< volScalarField >	kModel () const
	Return the k field from the turbulence model.
tmp< volScalarField >	epsilonModel () const
	Return the epsilon field from the turbulence model.
Protected Member Functions inherited from subModelBase
bool	inLine () const
	Flag to indicate whether data is/was read in-line.

Detailed Description

template<class CloudType>
class Foam::GradientDispersionRAS< CloudType >

The velocity is perturbed in the direction of -grad(k), with a Gaussian random number distribution with variance sigma. where sigma is defined below.

Definition at line 44 of file GradientDispersionRAS.H.

Constructor & Destructor Documentation

◆ GradientDispersionRAS() [1/2]

template<class CloudType>

GradientDispersionRAS	(	const dictionary &	dict,
		CloudType &	owner )

Construct from components.

Definition at line 28 of file GradientDispersionRAS.C.

References dict, DispersionRASModel< CloudType >::DispersionRASModel(), gradkPtr_, CloudSubModelBase< CloudType >::owner(), and ownGradK_.

Referenced by clone(), GradientDispersionRAS(), and TypeName().

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◆ GradientDispersionRAS() [2/2]

template<class CloudType>

GradientDispersionRAS ( const GradientDispersionRAS< CloudType > & dm )

Construct copy.

Definition at line 41 of file GradientDispersionRAS.C.

References DispersionRASModel< CloudType >::DispersionRASModel(), GradientDispersionRAS(), gradkPtr_, and ownGradK_.

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◆ ~GradientDispersionRAS()

template<class CloudType>

~GradientDispersionRAS ( )

virtual

Destructor.

Definition at line 57 of file GradientDispersionRAS.C.

References cacheFields().

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Member Function Documentation

◆ TypeName()

template<class CloudType>

TypeName ( "gradientDispersionRAS" )

Runtime type information.

References dict, GradientDispersionRAS(), and CloudSubModelBase< CloudType >::owner().

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◆ clone()

template<class CloudType>

virtual autoPtr< DispersionModel< CloudType > > clone ( ) const

inlinevirtual

Construct and return a clone.

Implements DispersionRASModel< CloudType >.

Definition at line 88 of file GradientDispersionRAS.H.

References GradientDispersionRAS().

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◆ cacheFields()

template<class CloudType>

void cacheFields ( const bool store )

virtual

Cache carrier fields.

Reimplemented from DispersionRASModel< CloudType >.

Definition at line 66 of file GradientDispersionRAS.C.

References DispersionRASModel< CloudType >::cacheFields(), Foam::deleteDemandDrivenData(), Foam::fvc::grad(), gradkPtr_, DispersionRASModel< CloudType >::kPtr_, and ownGradK_.

Referenced by ~GradientDispersionRAS().

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◆ update()

template<class CloudType>

Foam::vector update	(	const scalar	dt,
		const label	celli,
		const vector &	U,
		const vector &	Uc,
		vector &	UTurb,
		scalar &	tTurb )

virtual

Update (disperse particles).

Implements DispersionRASModel< CloudType >.

Definition at line 88 of file GradientDispersionRAS.C.

References epsilon, DispersionRASModel< CloudType >::epsilonPtr_, Random::GaussNormal(), gradkPtr_, k, DispersionRASModel< CloudType >::kPtr_, Foam::mag(), mesh, Foam::min(), CloudSubModelBase< CloudType >::owner(), Foam::pow(), sigma(), Foam::sqrt(), U, and Foam::Zero.

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Member Data Documentation

◆ gradkPtr_

template<class CloudType>

const volVectorField* gradkPtr_

protected

Gradient of k.

Definition at line 57 of file GradientDispersionRAS.H.

Referenced by cacheFields(), GradientDispersionRAS(), GradientDispersionRAS(), and update().

◆ ownGradK_

template<class CloudType>

bool ownGradK_

mutableprotected

Take ownership of the grad(k).

Definition at line 62 of file GradientDispersionRAS.H.

Referenced by cacheFields(), GradientDispersionRAS(), and GradientDispersionRAS().

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

src/lagrangian/turbulence/submodels/Kinematic/DispersionModel/GradientDispersionRAS/GradientDispersionRAS.H
src/lagrangian/turbulence/submodels/Kinematic/DispersionModel/GradientDispersionRAS/GradientDispersionRAS.C

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GradientDispersionRAS() [1/2]

◆ GradientDispersionRAS() [2/2]

◆ ~GradientDispersionRAS()

Member Function Documentation

◆ TypeName()

◆ clone()

◆ cacheFields()

◆ update()

Member Data Documentation

◆ gradkPtr_

◆ ownGradK_