plb::AdvectionDiffusionBGKdynamics< T, Descriptor > Class Template Reference

BGK Advection-Diffusion dynamics. More...

#include <advectionDiffusionDynamics.h>

Inheritance diagram for plb::AdvectionDiffusionBGKdynamics< T, Descriptor >:

[legend]

Collaboration diagram for plb::AdvectionDiffusionBGKdynamics< T, Descriptor >:

[legend]

List of all members.

Public Member Functions
	AdvectionDiffusionBGKdynamics (T omega_)
	Constructor.
virtual AdvectionDiffusionBGKdynamics < T, Descriptor > *	clone () const
	Clone the object on its dynamic type.
virtual int	getId () const
	Return a unique ID for this class.
virtual void	collide (Cell< T, Descriptor > &cell, BlockStatistics &statistics)
	Collision step.
virtual T	computeEquilibrium (plint iPop, T rhoBar, Array< T, Descriptor< T >::d > const &j, T jSqr, T thetaBar=T()) const
	Compute equilibrium distribution function.
virtual plint	numDecomposedVariables (plint order) const
	Number of variables required to decompose a population representation into moments.
virtual void	decompose (Cell< T, Descriptor > const &cell, std::vector< T > &rawData, plint order) const
	Decompose from population representation into moment representation.
virtual void	recompose (Cell< T, Descriptor > &cell, std::vector< T > const &rawData, plint order) const
	Recompose from moment representation to population representation.
virtual void	rescale (std::vector< T > &rawData, T xDxInv, T xDt, plint order) const
	Change the space and time scales of the variables in moment representation.

---

Detailed Description

template<typename T, template< typename U > class Descriptor>
class plb::AdvectionDiffusionBGKdynamics< T, Descriptor >

BGK Advection-Diffusion dynamics.

This approach contains a slight error in the diffusion term.

---

Constructor & Destructor Documentation

template<typename T , template< typename U > class Descriptor>

plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::AdvectionDiffusionBGKdynamics

(

T

omega_

)

[inline]

Constructor.

Parameters:

omega_

relaxation parameter, related to the dynamic viscosity

---

Member Function Documentation

template<typename T , template< typename U > class Descriptor>

AdvectionDiffusionBGKdynamics< T, Descriptor > * plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::clone

(

)

const [inline, virtual]

Clone the object on its dynamic type.

Implements plb::Dynamics< T, Descriptor >.

template<typename T , template< typename U > class Descriptor>

void plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::collide	(	Cell< T, Descriptor > &	cell,
		BlockStatistics &	statistics
	)			[inline, virtual]

Collision step.

Implements plb::Dynamics< T, Descriptor >.

References plb::gatherStatistics(), plb::BasicBulkDynamics< T, Descriptor >::getOmega(), and plb::Cell< T, Descriptor >::takesStatistics().

template<typename T , template< typename U > class Descriptor>

T plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::computeEquilibrium	(	plint	iPop,
		T	rhoBar,
		Array< T, Descriptor< T >::d > const &	j,
		T	jSqr,
		T	thetaBar = T()
	)			const [inline, virtual]

Compute equilibrium distribution function.

Parameters:

j

The parameter j is defined as j = j_advDiff = rho_advDiff*u_fluid

Implements plb::Dynamics< T, Descriptor >.

template<typename T, template< typename U > class Descriptor>

virtual void plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::decompose	(	Cell< T, Descriptor > const &	cell,
		std::vector< T > &	rawData,
		plint	order
	)			const [inline, virtual]

Decompose from population representation into moment representation.

Reimplemented from plb::AdvectionDiffusionDynamics< T, Descriptor >.

template<typename T , template< typename U > class Descriptor>

int plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::getId

(

)

const [inline, virtual]

Return a unique ID for this class.

Reimplemented from plb::Dynamics< T, Descriptor >.

template<typename T, template< typename U > class Descriptor>

virtual plint plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::numDecomposedVariables

(

plint

order

)

const [inline, virtual]

Number of variables required to decompose a population representation into moments.

Reimplemented from plb::AdvectionDiffusionDynamics< T, Descriptor >.

template<typename T, template< typename U > class Descriptor>

virtual void plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::recompose	(	Cell< T, Descriptor > &	cell,
		std::vector< T > const &	rawData,
		plint	order
	)			const [inline, virtual]

Recompose from moment representation to population representation.

Reimplemented from plb::AdvectionDiffusionDynamics< T, Descriptor >.

template<typename T, template< typename U > class Descriptor>

virtual void plb::AdvectionDiffusionBGKdynamics< T, Descriptor >::rescale	(	std::vector< T > &	rawData,
		T	xDxInv,
		T	xDt,
		plint	order
	)			const [inline, virtual]

Change the space and time scales of the variables in moment representation.

Reimplemented from plb::AdvectionDiffusionDynamics< T, Descriptor >.

---

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

• advectionDiffusionDynamics.h
• advectionDiffusionDynamics.hh