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 autoPtr< DampingModel< CloudType > >	clone () const=0
	Construct and return a clone. More...
virtual	~DampingModel ()
	Destructor. More...

Private Attributes
const AveragingMethod< vector > *	uAverage_
	Velocity average. More...
autoPtr< AveragingMethod< scalar > >	oneByTimeScaleAverage_
	Reciprocal of the time scale average. More...

Additional Inherited Members
Static Public Member Functions inherited from DampingModel< CloudType >
static autoPtr< DampingModel< CloudType > >	New (const dictionary &dict, CloudType &owner)
	Selector. More...
Protected Attributes inherited from DampingModel< CloudType >
autoPtr< TimeScaleModel >	timeScaleModel_
	Time scale model. 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

• Relaxation.H
• Relaxation.C

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.

~Relaxation()

~Relaxation

virtual

Destructor.

Definition at line 59 of file Relaxation.C.

Member Function Documentation

TypeName()

TypeName

(

"relaxation"

)

Runtime type information.

clone()

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

inlinevirtual

Construct and return a clone.

Definition at line 92 of file Relaxation.H.

cacheFields()

void cacheFields ( const bool  store )

virtual

Member Functions.

Calculate the damping time scales

Definition at line 66 of file Relaxation.C.

References cloudName(), mesh, and DSMCCloud< ParcelType >::mesh().

Here is the call graph for this function:

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 p, and x.

Field Documentation

uAverage_

const AveragingMethod<vector>* uAverage_

private

Velocity average.

Definition at line 72 of file Relaxation.H.

oneByTimeScaleAverage_

autoPtr<AveragingMethod<scalar> > oneByTimeScaleAverage_

private

Reciprocal of the time scale average.

Definition at line 75 of file Relaxation.H.

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

• src/lagrangian/intermediate/submodels/MPPIC/DampingModels/Relaxation/Relaxation.H
• src/lagrangian/intermediate/submodels/MPPIC/DampingModels/Relaxation/Relaxation.C