initialize_particles.cpp File Reference

#include "rng_seed.hpp"
#include "globals.hpp"
#include "basic_physics.hpp"
#include "sml.hpp"
#include "magnetic_field.hpp"
#include "grid.hpp"
#include "plasma.hpp"

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Classes
struct	ParticleLoadingParams

Functions
template<GeometryType GT>
KOKKOS_INLINE_FUNCTION double	r_distribution (double rdim, double roffset, double rand)
template<>
KOKKOS_INLINE_FUNCTION double	r_distribution< GeometryType::CylindricalLimit > (double rdim, double roffset, double rand)
template<>
KOKKOS_INLINE_FUNCTION double	r_distribution< GeometryType::Toroidal > (double rdim, double roffset, double rand)
void	uniform_spatial_distribution (const Grid< DeviceType > &grid, const MagneticField< DeviceType > &magnetic_field, const DomainDecomposition< DeviceType > &pol_decomp, const ParticleLoadingParams &input_params, double &marker_den, Species< DeviceType > &species)
KOKKOS_INLINE_FUNCTION void	get_v_and_dist (RandGen &rand_gen, double va, double vc, double w, double &v, double &g)
KOKKOS_INLINE_FUNCTION void	load_flat_v_single (RandGen &rand_gen, const ParticleLoadingParams &input_params, double t_ev, double up, double b, double mass, double charge, double &rho, double &mu, double &w0_adjust)
KOKKOS_INLINE_FUNCTION double	w0_adjustment (RandGen &rand_gen, double t, double maxe, double mass, double t_ev, double t_ev_vertual, double load_maxe)
KOKKOS_INLINE_FUNCTION void	load_v_single (RandGen &rand_gen, const ParticleLoadingParams &input_params, double t_ev, double up, double b, double mass, double charge, double &rho, double &mu, double &w0_adjust)
void	maxwellian_velocity_distribution (const Grid< DeviceType > &grid, const MagneticField< DeviceType > &magnetic_field, const ParticleLoadingParams &input_params, double marker_den, Species< DeviceType > &species)
void	initialize_particles (NLReader::NamelistReader &nlr, const Grid< DeviceType > &grid, const MagneticField< DeviceType > &magnetic_field, const DomainDecomposition< DeviceType > &pol_decomp, Plasma &plasma)

Variables
constexpr double	LOAD_MAXE = 12.0

Function Documentation

KOKKOS_INLINE_FUNCTION void get_v_and_dist	(	RandGen &	rand_gen,
		double	va,
		double	vc,
		double	w,
		double &	v,
		double &	g
	)

void initialize_particles	(	NLReader::NamelistReader &	nlr,
		const Grid< DeviceType > &	grid,
		const MagneticField< DeviceType > &	magnetic_field,
		const DomainDecomposition< DeviceType > &	pol_decomp,
		Plasma &	plasma
	)

Load particles

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KOKKOS_INLINE_FUNCTION void load_flat_v_single	(	RandGen &	rand_gen,
		const ParticleLoadingParams &	input_params,
		double	t_ev,
		double	up,
		double	b,
		double	mass,
		double	charge,
		double &	rho,
		double &	mu,
		double &	w0_adjust
	)

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KOKKOS_INLINE_FUNCTION void load_v_single	(	RandGen &	rand_gen,
		const ParticleLoadingParams &	input_params,
		double	t_ev,
		double	up,
		double	b,
		double	mass,
		double	charge,
		double &	rho,
		double &	mu,
		double &	w0_adjust
	)

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void maxwellian_velocity_distribution	(	const Grid< DeviceType > &	grid,
		const MagneticField< DeviceType > &	magnetic_field,
		const ParticleLoadingParams &	input_params,
		double	marker_den,
		Species< DeviceType > &	species
	)

Load particles

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template<GeometryType GT>

KOKKOS_INLINE_FUNCTION double r_distribution	(	double	rdim,
		double	roffset,
		double	rand
	)

Returns an r coordinate distribution for even distribution in volume. In the cylindrical limit, this means an even r distribution. For toroidal geometry, this means larger r values are sampled more.

Parameters

[in]	rdim	is the width of the r range
[in]	roffset	is the minimum r
[in]	rand	is a random number from 0.0 to 1.0

Returns

double is the sampled r value

template<>

KOKKOS_INLINE_FUNCTION double r_distribution< GeometryType::CylindricalLimit >	(	double	rdim,
		double	roffset,
		double	rand
	)

template<>

KOKKOS_INLINE_FUNCTION double r_distribution< GeometryType::Toroidal >	(	double	rdim,
		double	roffset,
		double	rand
	)

void uniform_spatial_distribution	(	const Grid< DeviceType > &	grid,
		const MagneticField< DeviceType > &	magnetic_field,
		const DomainDecomposition< DeviceType > &	pol_decomp,
		const ParticleLoadingParams &	input_params,
		double &	marker_den,
		Species< DeviceType > &	species
	)

Load particles

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KOKKOS_INLINE_FUNCTION double w0_adjustment	(	RandGen &	rand_gen,
		double	t,
		double	maxe,
		double	mass,
		double	t_ev,
		double	t_ev_vertual,
		double	load_maxe
	)

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Variable Documentation

constexpr double LOAD_MAXE = 12.0