Cell Class Reference

#include <Cell.h>

List of all members.

Public Member Functions
	Cell (size_t ID, LBMethod Method, iVec3_t Indexes, iVec3_t Ndim, double Cs, double Tau)
	Constructor, it receives the grid type, ht einteger position and the total integer dimension of the domain and the spatial and time steps.
double	Density ()
	Calculate density.
void	Velocity (Vec3_t &V)
	Calculate velocity.
double	VelDen (Vec3_t &V)
	Calculate both (faster)
double	Feq (size_t k, Vec3_t const &V, double Rho)
	Calculate the equilibrium distribution function.
void	Initialize (double Rho, Vec3_t const &V)
	Initialize cell with a given velocity and density.
void	BounceBack ()
	Apply the bounceback rule to this cell.
Public Attributes
LBMethod	Method
	Is 2D, 3D and how many velocities it has.
bool	IsSolid
	It is a solid node.
double	Tau
	Relaxation Time.
double	Gamma
	Solid/Fluid ratio.
double	Gs
	Interaction constant between solid and fluid.
size_t	Nneigh
	Number of neighbors.
size_t	ID
	Tag for the particle.
double	Cs
	Velocity of the grid.
double	Rho
	Density of the Cell.
iVec3_t	Index
	Vector of indexes.
Vec3_t	Vel
	Velocity of the Cell.
Vec3_t	VelBC
	Velocity at boundary.
Vec3_t	BForce
	Applied body force.
Vec3_t	BForcef
	Fixed Applied body force.
double	RhoBC
	Density at boundary.
size_t const *	Op
	Pointer to opposite velocities.
double const *	W
	Pointer to array of weights.
Vec3_t const *	C
	Pointer to velocity constants.
Array< double >	F
	Distribution functions.
Array< double >	Ftemp
	Temporary distribution functions.
Array< double >	Omeis
	Array of collision operators.
Array< size_t >	Neighs
	Array of neighbors indexes.
Static Public Attributes
static const double	WEIGHTSD2Q9 [9] = { 4./9., 1./9., 1./9., 1./9., 1./9., 1./36., 1./36., 1./36., 1./36. }
	Weights for the equilibrium distribution functions (D2Q9)
static const double	WEIGHTSD3Q15 [15] = { 2./9., 1./9., 1./9., 1./9., 1./9., 1./9., 1./9., 1./72., 1./72. , 1./72., 1./72., 1./72., 1./72., 1./72., 1./72.}
	Weights for the equilibrium distribution functions (D3Q15)
static Vec3_t	LVELOCD2Q9 [9]
	Local velocities (D2Q9)
static Vec3_t	LVELOCD3Q15 [15]
	Local velocities (D3Q15)
static const size_t	OPPOSITED2Q9 [9] = { 0, 3, 4, 1, 2, 7, 8, 5, 6 }
	Opposite directions (D2Q9)
static const size_t	OPPOSITED3Q15 [15] = { 0, 2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13}
	Opposite directions (D3Q15)

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Constructor & Destructor Documentation

Cell::Cell	(	size_t	ID,
		LBMethod	Method,
		iVec3_t	Indexes,
		iVec3_t	Ndim,
		double	Cs,
		double	Tau
	)		[inline]

Constructor, it receives the grid type, ht einteger position and the total integer dimension of the domain and the spatial and time steps.

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Member Function Documentation

void Cell::BounceBack

(

)

[inline]

Apply the bounceback rule to this cell.

double Cell::Density

(

)

[inline]

Calculate density.

double Cell::Feq	(	size_t	k,
		Vec3_t const &	V,
		double	Rho
	)		[inline]

Calculate the equilibrium distribution function.

void Cell::Initialize	(	double	Rho,
		Vec3_t const &	V
	)		[inline]

Initialize cell with a given velocity and density.

double Cell::VelDen

(

Vec3_t &

V

)

[inline]

Calculate both (faster)

void Cell::Velocity

(

Vec3_t &

V

)

[inline]

Calculate velocity.

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Member Data Documentation

Vec3_t Cell::BForce

Applied body force.

Vec3_t Cell::BForcef

Fixed Applied body force.

Vec3_t const* Cell::C

Pointer to velocity constants.

double Cell::Cs

Velocity of the grid.

Array<double> Cell::F

Distribution functions.

Array<double> Cell::Ftemp

Temporary distribution functions.

double Cell::Gamma

Solid/Fluid ratio.

double Cell::Gs

Interaction constant between solid and fluid.

size_t Cell::ID

Tag for the particle.

iVec3_t Cell::Index

Vector of indexes.

bool Cell::IsSolid

It is a solid node.

Vec3_t Cell::LVELOCD2Q9 [static]

Local velocities (D2Q9)

Vec3_t Cell::LVELOCD3Q15 [static]

Local velocities (D3Q15)

LBMethod Cell::Method

Is 2D, 3D and how many velocities it has.

Array<size_t> Cell::Neighs

Array of neighbors indexes.

size_t Cell::Nneigh

Number of neighbors.

Array<double> Cell::Omeis

Array of collision operators.

size_t const* Cell::Op

Pointer to opposite velocities.

const size_t Cell::OPPOSITED2Q9 = { 0, 3, 4, 1, 2, 7, 8, 5, 6 } [static]

Opposite directions (D2Q9)

const size_t Cell::OPPOSITED3Q15 = { 0, 2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13} [static]

Opposite directions (D3Q15)

double Cell::Rho

Density of the Cell.

double Cell::RhoBC

Density at boundary.

double Cell::Tau

Relaxation Time.

Vec3_t Cell::Vel

Velocity of the Cell.

Vec3_t Cell::VelBC

Velocity at boundary.

double const* Cell::W

Pointer to array of weights.

const double Cell::WEIGHTSD2Q9 = { 4./9., 1./9., 1./9., 1./9., 1./9., 1./36., 1./36., 1./36., 1./36. } [static]

Weights for the equilibrium distribution functions (D2Q9)

const double Cell::WEIGHTSD3Q15 = { 2./9., 1./9., 1./9., 1./9., 1./9., 1./9., 1./9., 1./72., 1./72. , 1./72., 1./72., 1./72., 1./72., 1./72., 1./72.} [static]

Weights for the equilibrium distribution functions (D3Q15)

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

• /home/dorival/mechsys/lib/lbm/Cell.h