Particule class. More...

#include <solide.hpp>

Public Member Functions
	Particule ()
	Default constructor. More...

	Particule (const double x_min, const double y_min, const double z_min, const double x_max, const double y_max, const double z_max)
	Constructor overload. More...

	Particule (Point_3 c, const double x_min, const double y_min, const double z_min, const double x_max, const double y_max, const double z_max, std::vector< Face > &F)
	Constructor overload. More...

	~Particule ()
	Destructor. More...

Particule &	operator= (const Particule &P)
	Operator = overload. More...

void	Affiche ()
	Test display function. More...

double	volume ()
	Test function to check the conservation of the volume of the particle. More...

void	CompVolumeIntegrals (double &T1, double &Tx, double &Ty, double &Tz, double &Txx, double &Tyy, double &Tzz, double &Txy, double &Tyz, double &Tzx)
	Computation of volume integrals. More...

void	Inertie ()
	Computation of the particle inertia matrix. More...

void	Volume_libre ()
	Computation of the free volume. More...

void	solve_position (double dt)
	Time-integration of the particle position. More...

void	solve_vitesse (double dt)
	Time-integration of the particle velocity. More...

Vector_3	vitesse_parois (const Point_3 &X_f)
	Velocity of the solid at the interface elements center at time t. . More...

Vector_3	vitesse_parois_prev (const Point_3 &X_f)
	Velocity at the interface elements center at time t-dt. $V_f = V_I + \Omega_{rot} \wedge \left( X_f - X_I \right).$ is the particle velocity (Particule.u_half), is the particle center (Particule.x0 + Particule.Dxprev), $\Omega_{rot}$ is the particle rotation (Particule.omega_half). More...

Data Fields
bool	cube
	= true if the particle is a cube, false otherwise More...

Bbox	bbox
	Bounding box of the particle. More...

std::vector< Face >	faces
	List of the particle's faces. More...

std::vector< Point_3 >	vertices
	List of the particle's vertices. More...

Triangles	triangles
	Triangulation of the particle faces at time t. More...

Triangles	triangles_prev
	Triangulation of the particle faces at time t-dt. More...

std::vector< Vector_3 >	normales
	Exterior normals to Particule.triangles. More...

std::vector< Vector_3 >	normales_prev
	Exterior normals to Particule.triangles_prev. More...

std::vector< bool >	vide
	=true if Particule.triangles is in contact with void More...

std::vector< bool >	fluide
	=true if Particule.triangles is in contact with fluid More...

std::vector< bool >	fluide_prev
	=true if Particule.triangles_prev is in contact with fluid More...

std::vector< std::vector< Point_3 > >	Points_interface
	Listof intersection points of Particule.triangles with the fluid grid at time t. More...

std::vector< std::vector< Point_3 > >	Points_interface_prev
	List of intersection points of Particule.triangles_prev with the fluid grid at time t-dt. More...

std::vector< std::vector< Triangle_3 > >	Triangles_interface
	Triangulation of Particule.triangles at time t. More...

std::vector< std::vector< std::vector< int > > >	Position_Triangles_interface
	Index of the cell where Triangles_interface is located at time t. More...

std::vector< std::vector< Triangle_3 > >	Triangles_interface_prev
	Triangulation of Particule.triangles_prev at time t-dt. More...

std::vector< std::vector< std::vector< int > > >	Position_Triangles_interface_prev
	Index of the cell where Triangles_interface is located at time t-dt. More...

int	fixe
	=1 if the particle is fixed, 0 otherwise More...

double	m
	Particle mass. More...

double	V
	Particle volume. More...

double	Vl
	Free Volume of the particle (for the computation of epsilon) More...

double	epsilon
	Volumetric deformation of the particle. More...

double	I [3]
	Inertia matrix of the particle. More...

double	rotref [3][3]
	Rotation matrix such that the inertia matrix in the reference frame can be written : $R = Q_0 R_0 Q_0^{-1}$ , with . More...

Point_3	x0
	Position of the particle center at t=0. More...

Vector_3	Dx
	Displacement of the particle center at time t. More...

Vector_3	Dxprev
	Displacement of the particle center at time t-dt. More...

Vector_3	Fi
	Solid internal forces. More...

Vector_3	Ff
	Fluid forces applied on the solid between times t and t+dt/2. More...

Vector_3	Ffprev
	Fluid forces applied on the solide between times t-dt/2 and t. More...

Vector_3	Mi
	Interior torques of the solid. More...

Vector_3	Mf
	Fluid torques applied on the solid between times t and t+dt/2. More...

Vector_3	Mfprev
	FLuid torques applied on the solid between times t-dt/2 and t. More...

Vector_3	u
	Particle velocity at time t. More...

Vector_3	u_half
	Particle velocity at time t-dt/2. More...

Vector_3	omega
	Angular velocity at time t. More...

Vector_3	omega_half
	Angular velocity at time t-dt/2. More...

Vector_3	e
	Rotation vector at time t. More...

Vector_3	eprev
	Rotation vector at time t-dt. More...

Aff_transformation_3	mvt_t
	Affine transformation associated with the rigid body movement of the particle at time t. More...

Aff_transformation_3	mvt_tprev
	Affine transformation associated with the rigid body movement of the particle at time t-dt. More...

Detailed Description

Particule class.

Constructor & Destructor Documentation

Particule::Particule ( )

Default constructor.

Particule::Particule	(	const double	x_min,
		const double	y_min,
		const double	z_min,
		const double	x_max,
		const double	y_max,
		const double	z_max
	)

Constructor overload.

Parameters

(x_min,y_min,z_min),(x_max,y_max,z_max) bounding box coordinates

Particule::Particule	(	Point_3	c,
		const double	x_min,
		const double	y_min,
		const double	z_min,
		const double	x_max,
		const double	y_max,
		const double	z_max,
		std::vector< Face > &	F
	)

Constructor overload.

Parameters

(x_min,y_min,z_min),(x_max,y_max,z_max)	Bounding box coordinates
c	Point
F	Face of the Particule

Particule::~Particule ( )

Destructor.

Member Function Documentation

void Particule::Affiche ( )

Test display function.

void Particule::CompVolumeIntegrals	(	double &	T1,
		double &	Tx,
		double &	Ty,
		double &	Tz,
		double &	Txx,
		double &	Tyy,
		double &	Tzz,
		double &	Txy,
		double &	Tyz,
		double &	Tzx
	)

Computation of volume integrals.

Uses the function described by Brian Mirtich (1996).

Returns: void

void Particule::Inertie ( )

Computation of the particle inertia matrix.

Returns: void

Particule & Particule::operator= ( const Particule & P )

Operator = overload.

Parameters

P Particule

Returns: Particule

void Particule::solve_position ( double dt )

Time-integration of the particle position.

Parameters

dt Time-step

Warning: Uses Particule.Ff and Particule.Mf (fluid forces and torques moments fluides applied on the solid between times t and t+dt/2)
Particule.Ff and Particule.Mf are specific coupling parameters !

Returns: void

void Particule::solve_vitesse ( double dt )

Time-integration of the particle velocity.

Parameters

dt Time-step

Warning: Use of Particule.Ff and Particule.Mf (fluid forces and torques applied on the solid between times t and t+dt)
Particule.Ff and Particule.Mf are specific coupling parameters !

Returns: void

Vector_3 Particule::vitesse_parois ( const Point_3 & X_f )

Velocity of the solid at the interface elements center at time t.
.

$V_f = V_I + \Omega_{rot} \wedge \left( X_f - X_I \right).$ $ V_I $ is the particle velocity (Particule.u_half), $ X_I $ is the particle center (Particule.x0 + Particule.Dx), $\Omega_{rot}$ is the particle rotation (Particule.omega_half).

Parameters

X_f	interface element center

Warning: Specific coupling procedure !

Returns: Vector_3

Vector_3 Particule::vitesse_parois_prev ( const Point_3 & X_f )

Velocity at the interface elements center at time t-dt. $V_f = V_I + \Omega_{rot} \wedge \left( X_f - X_I \right).$
$ V_I $ is the particle velocity (Particule.u_half), $ X_I $ is the particle center (Particule.x0 + Particule.Dxprev), $\Omega_{rot}$ is the particle rotation (Particule.omega_half).

Parameters

X_f	interface element center

Warning: Specific coupling procedure !

Returns: Vector_3

double Particule::volume ( )

Test function to check the conservation of the volume of the particle.

Returns: double

void Particule::Volume_libre ( )

Computation of the free volume.

Returns: void

Field Documentation

Bbox Particule::bbox

Bounding box of the particle.

bool Particule::cube

= true if the particle is a cube, false otherwise

Vector_3 Particule::Dx

Displacement of the particle center at time t.

Vector_3 Particule::Dxprev

Displacement of the particle center at time t-dt.

Vector_3 Particule::e

Rotation vector at time t.

Vector_3 Particule::eprev

Rotation vector at time t-dt.

double Particule::epsilon

Volumetric deformation of the particle.

std::vector<Face> Particule::faces

List of the particle's faces.

Vector_3 Particule::Ff

Fluid forces applied on the solid between times t and t+dt/2.

Warning: Specific coupling parameter !

Vector_3 Particule::Ffprev

Fluid forces applied on the solide between times t-dt/2 and t.

Warning: Specific coupling parameter !

Vector_3 Particule::Fi

Solid internal forces.

int Particule::fixe

=1 if the particle is fixed, 0 otherwise

std::vector<bool> Particule::fluide

=true if Particule.triangles is in contact with fluid

Warning: Specific coupling parameter !

std::vector<bool> Particule::fluide_prev

=true if Particule.triangles_prev is in contact with fluid

Warning: Specific coupling parameter !

double Particule::I[3]

Inertia matrix of the particle.

double Particule::m

Particle mass.

Vector_3 Particule::Mf

Fluid torques applied on the solid between times t and t+dt/2.

Warning: Specific coupling parameter !

Vector_3 Particule::Mfprev

FLuid torques applied on the solid between times t-dt/2 and t.

Warning: Specific coupling parameter !

Vector_3 Particule::Mi

Interior torques of the solid.

Aff_transformation_3 Particule::mvt_t

Affine transformation associated with the rigid body movement of the particle at time t.

Aff_transformation_3 Particule::mvt_tprev

Affine transformation associated with the rigid body movement of the particle at time t-dt.

std::vector<Vector_3> Particule::normales

Exterior normals to Particule.triangles.

std::vector<Vector_3> Particule::normales_prev

Exterior normals to Particule.triangles_prev.

Vector_3 Particule::omega

Angular velocity at time t.

Vector_3 Particule::omega_half

Angular velocity at time t-dt/2.

std::vector< std::vector<Point_3> > Particule::Points_interface

Listof intersection points of Particule.triangles with the fluid grid at time t.

Warning: Specific coupling parameter !

std::vector< std::vector<Point_3> > Particule::Points_interface_prev

List of intersection points of Particule.triangles_prev with the fluid grid at time t-dt.

Warning: Specific coupling parameter !

std::vector< std::vector< std::vector<int> > > Particule::Position_Triangles_interface

Index of the cell where Triangles_interface is located at time t.

Warning: Specific coupling parameter !

std::vector< std::vector<std::vector<int> > > Particule::Position_Triangles_interface_prev

Index of the cell where Triangles_interface is located at time t-dt.

Warning: Specific coupling parameter !

double Particule::rotref[3][3]

Rotation matrix $ Q_0 $ such that the inertia matrix $ R $ in the reference frame can be written : $R = Q_0 R_0 Q_0^{-1}$ , with $R_0=diag(I_1,I_2,I_3)$ .

Triangles Particule::triangles

Triangulation of the particle faces at time t.

std::vector< std::vector<Triangle_3> > Particule::Triangles_interface

Triangulation of Particule.triangles at time t.

Warning: Specific coupling parameter!

std::vector< std::vector<Triangle_3> > Particule::Triangles_interface_prev

Triangulation of Particule.triangles_prev at time t-dt.

Warning: Specific coupling parameter !

Triangles Particule::triangles_prev

Triangulation of the particle faces at time t-dt.

Vector_3 Particule::u

Particle velocity at time t.

Vector_3 Particule::u_half

Particle velocity at time t-dt/2.

double Particule::V

Particle volume.

std::vector<Point_3> Particule::vertices

List of the particle's vertices.

std::vector<bool> Particule::vide

=true if Particule.triangles is in contact with void

Warning: Specific coupling parameter !

double Particule::Vl

Free Volume of the particle (for the computation of epsilon)

Point_3 Particule::x0

Position of the particle center at t=0.

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

Public Member Functions

Data Fields

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation