sll_m_particle_initializers_4d Module Reference

Description

Initialization of particles in 2d+2v: the Landau damping case.

Rejection sampling for the perturbation function x --> 1 + alpha*cos(k*x)

Author

: S. Hirstoaga

Functions/Subroutines
subroutine, public	sll_s_initial_random_particles_4d (thermal_speed, alpha, k, m2d, num_particles, p_group, rand_seed, rank, worldsize)
	Initialize particles in a 2d+2v phase space using random generators. The Landau damping case with a perturbation in a single direction of the physical space. More...
subroutine, public	sll_s_initial_hammersley_particles_4d (thermal_speed, alpha, k, m2d, num_particles, p_group, rand_seed, rank, worldsize)
	Initialize particles in a 2d+2v phase space using pseudo-random generators. The Landau damping case with a perturbation in a single direction of the physical space. More...
subroutine	sll_s_initial_random_particles_4d_landau2d (thermal_speed, alpha, kx, ky, m2d, num_particles, p_group, rand_seed, rank, worldsize)
	The Landau damping case with a perturbation in BOTH directions of the physical space: (x,y) --> 1 + alpha*cos(kx * x)*cos(ky * y) More...
real(kind=f64) function	sll_f_eval_landau1d (alp, kx, x)
real(kind=f64) function	sll_f_eval_landau2d (alp, kx, x, ky, y)

Function/Subroutine Documentation

sll_f_eval_landau1d()

real(kind=f64) function sll_m_particle_initializers_4d::sll_f_eval_landau1d ( real(kind=f64)  alp, real(kind=f64)  kx, real(kind=f64)  x  )

private

Definition at line 274 of file sll_m_particle_initializers_4d.F90.

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sll_f_eval_landau2d()

real(kind=f64) function sll_m_particle_initializers_4d::sll_f_eval_landau2d ( real(kind=f64)  alp, real(kind=f64)  kx, real(kind=f64)  x, real(kind=f64)  ky, real(kind=f64)  y  )

private

Definition at line 280 of file sll_m_particle_initializers_4d.F90.

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sll_s_initial_hammersley_particles_4d()

subroutine, public sll_m_particle_initializers_4d::sll_s_initial_hammersley_particles_4d	(	intent(in)	thermal_speed,
		intent(in)	alpha,
		intent(in)	k,
		type(sll_t_cartesian_mesh_2d), intent(in)	m2d,
		intent(in)	num_particles,
		type(sll_t_particle_group_4d), intent(inout), pointer	p_group,
		optional	rand_seed,
		optional	rank,
		optional	worldsize
	)

Initialize particles in a 2d+2v phase space using pseudo-random generators. The Landau damping case with a perturbation in a single direction of the physical space.

Definition at line 131 of file sll_m_particle_initializers_4d.F90.

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sll_s_initial_random_particles_4d()

subroutine, public sll_m_particle_initializers_4d::sll_s_initial_random_particles_4d	(	real(kind=f64), intent(in)	thermal_speed,
		real(kind=f64), intent(in)	alpha,
		real(kind=f64), intent(in)	k,
		type(sll_t_cartesian_mesh_2d), intent(in)	m2d,
		intent(in)	num_particles,
		type(sll_t_particle_group_4d), intent(inout), pointer	p_group,
		optional	rand_seed,
		optional	rank,
		optional	worldsize
	)

Initialize particles in a 2d+2v phase space using random generators. The Landau damping case with a perturbation in a single direction of the physical space.

Parameters

[in]	k	the perturbation's parameters
[in]	m2d	the mesh of the physical space
[in,out]	p_group	the particle group

Definition at line 62 of file sll_m_particle_initializers_4d.F90.

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sll_s_initial_random_particles_4d_landau2d()

subroutine sll_m_particle_initializers_4d::sll_s_initial_random_particles_4d_landau2d ( intent(in)  thermal_speed, intent(in)  alpha, intent(in)  kx, intent(in)  ky, type(sll_t_cartesian_mesh_2d), intent(in)  m2d, integer(kind=i32), intent(in)  num_particles, type(sll_t_particle_group_4d), intent(inout), pointer  p_group, integer(kind=i32), dimension(:), intent(in), optional  rand_seed, integer(kind=i32), optional  rank, integer(kind=i32), optional  worldsize  )

private

The Landau damping case with a perturbation in BOTH directions of the physical space: (x,y) --> 1 + alpha*cos(kx * x)*cos(ky * y)

Parameters

[in]	m2d	the mesh in (x,y)
[in]	num_particles	the number of particles over a single process
[in]	rand_seed	the random seed used by the process
	worldsize	when using more than 1 process
[in,out]	p_group	the particle group

Definition at line 211 of file sll_m_particle_initializers_4d.F90.

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