GradientDispersionRAS< CloudType > Class Template Reference

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...

Inheritance diagram for GradientDispersionRAS< CloudType >:

Collaboration diagram for GradientDispersionRAS< CloudType >:

Public Member Functions
	TypeName ("gradientDispersionRAS")
	Runtime type information. More...
	GradientDispersionRAS (const dictionary &dict, CloudType &owner)
	Construct from components. More...
	GradientDispersionRAS (const GradientDispersionRAS< CloudType > &dm)
	Construct copy. More...
virtual autoPtr< DispersionModel< CloudType > >	clone () const
	Construct and return a clone. More...
virtual	~GradientDispersionRAS ()
	Destructor. More...
virtual void	cacheFields (const bool store)
	Cache carrier fields. 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	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 autoPtr< DispersionModel< CloudType > >	clone () const=0
	Construct and return a clone. More...
virtual	~DispersionModel ()
	Destructor. More...

Protected Attributes
const volVectorField *	gradkPtr_
	Gradient of k. More...
bool	ownGradK_
	Take ownership of the grad(k) 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...

Additional Inherited Members
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...

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 48 of file GradientDispersionRAS.H.

Constructor & Destructor Documentation

GradientDispersionRAS() [1/2]

GradientDispersionRAS	(	const dictionary &	dict,
		CloudType &	owner
	)

Construct from components.

Definition at line 34 of file GradientDispersionRAS.C.

GradientDispersionRAS() [2/2]

GradientDispersionRAS

(

const GradientDispersionRAS< CloudType > &

dm

)

Construct copy.

Definition at line 47 of file GradientDispersionRAS.C.

References GradientDispersionRAS< CloudType >::ownGradK_.

~GradientDispersionRAS()

~GradientDispersionRAS

virtual

Destructor.

Definition at line 62 of file GradientDispersionRAS.C.

Member Function Documentation

TypeName()

TypeName

(

"gradientDispersionRAS"

)

Runtime type information.

clone()

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

inlinevirtual

Construct and return a clone.

Implements DispersionRASModel< CloudType >.

Definition at line 80 of file GradientDispersionRAS.H.

cacheFields()

void cacheFields ( const bool  store )

virtual

Cache carrier fields.

Reimplemented from DispersionRASModel< CloudType >.

Definition at line 71 of file GradientDispersionRAS.C.

References Foam::deleteDemandDrivenData(), and Foam::fvc::grad().

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update()

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 94 of file GradientDispersionRAS.C.

References epsilon, cachedRandom::GaussNormal(), k, Foam::mag(), DSMCCloud< ParcelType >::mesh(), Foam::min(), polyMesh::nSolutionD(), Foam::pow(), DSMCCloud< ParcelType >::rndGen(), Foam::constant::physicoChemical::sigma, Foam::sqrt(), and U.

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Field Documentation

gradkPtr_

const volVectorField* gradkPtr_

protected

Gradient of k.

Definition at line 59 of file GradientDispersionRAS.H.

ownGradK_

bool ownGradK_

mutableprotected

Take ownership of the grad(k)

Definition at line 62 of file GradientDispersionRAS.H.

Referenced by GradientDispersionRAS< CloudType >::GradientDispersionRAS().

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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