coarse_graining.cpp File Reference

#include <Kokkos_Atomic.hpp>
#include "timer_macro.hpp"
#include "get_current_triangles.hpp"
#include "getf0.hpp"
#include "globals.hpp"
#include "sml.hpp"
#include "magnetic_field.hpp"
#include "grid.hpp"
#include "particles.hpp"
#include "plasma.hpp"
#include "vgrid_distribution.hpp"
#include "domain_decomposition.hpp"
#include "grid_field_pack.hpp"
#include "coarse_graining.hpp"

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Functions
template<class Device >
KOKKOS_INLINE_FUNCTION void	compute_bin_weight (const Grid< Device > &grid, const MagneticField< Device > &magnetic_field, const Species< Device > &species, const VelocityGrid &vgrid, const DomainDecomposition< Device > &pol_decomp, const VGridDistribution< Device > &bin_weight, const VGridDistribution< Device > &bin_count, const int i_item)
	Compute the node, imu, ivp, bin_weight, and bin_counter for particles. More...
template<class Device >
KOKKOS_INLINE_FUNCTION void	coarse_graining_of_weights (const double rate, const Grid< Device > &grid, const MagneticField< Device > &magnetic_field, const Species< Device > &species, const VelocityGrid &vgrid, const DomainDecomposition< Device > &pol_decomp, const VGridDistribution< Device > &bin_weight, int i_item)
	Update the weights based on coarse graining. More...
void	coarse_graining_of_one_species (const Grid< DeviceType > &grid, const MagneticField< DeviceType > &magnetic_field, Plasma &plasma, Species< DeviceType > &species, const VelocityGrid &vgrid, const DomainDecomposition< DeviceType > &pol_decomp, const double rate)
	Coarse grain the weights of one species. More...
void	coarse_graining_of_all_species (const Grid< DeviceType > &grid, const MagneticField< DeviceType > &magnetic_field, Plasma &plasma, const VelocityGrid &vgrid, const DomainDecomposition< DeviceType > &pol_decomp, const double rate)
	Coarse grain the weights of all species. More...

Function Documentation

coarse_graining_of_all_species()

void coarse_graining_of_all_species	(	const Grid< DeviceType > &	grid,
		const MagneticField< DeviceType > &	magnetic_field,
		Plasma &	plasma,
		const VelocityGrid &	vgrid,
		const DomainDecomposition< DeviceType > &	pol_decomp,
		const double	rate
	)

Coarse grain the weights of all species.

This function calculates and updates the weights of all non-adiabatic species based on coarse graining.

Parameters

grid	Grid object containing information about the grid.
magnetic_field	MagneticField object containing magnetic field information.
plasma	Plasma object containing plasma data.
vgrid	VelocityGrid object containing velocity grid information.
pol_decomp	DomainDecomposition object containing domain decomposition information.
rate	Coarse graining rate.

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coarse_graining_of_one_species()

void coarse_graining_of_one_species	(	const Grid< DeviceType > &	grid,
		const MagneticField< DeviceType > &	magnetic_field,
		Plasma &	plasma,
		Species< DeviceType > &	species,
		const VelocityGrid &	vgrid,
		const DomainDecomposition< DeviceType > &	pol_decomp,
		const double	rate
	)

Coarse grain the weights of one species.

This function calculates and updates the weights of one species based on coarse graining.

Parameters

grid	Grid object containing information about the grid.
magnetic_field	MagneticField object containing magnetic field information.
plasma	Plasma object containing plasma data.
species	Species object containing particle data.
vgrid	VelocityGrid object containing velocity grid information.
pol_decomp	DomainDecomposition object containing domain decomposition information.
rate	Coarse graining rate.

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coarse_graining_of_weights()

template<class Device >

KOKKOS_INLINE_FUNCTION void coarse_graining_of_weights	(	const double	rate,
		const Grid< Device > &	grid,
		const MagneticField< Device > &	magnetic_field,
		const Species< Device > &	species,
		const VelocityGrid &	vgrid,
		const DomainDecomposition< Device > &	pol_decomp,
		const VGridDistribution< Device > &	bin_weight,
		int	i_item
	)

Update the weights based on coarse graining.

Coarse graining of weights using the given rate.

Template Parameters

Device

Type of the device (e.g., CPU or GPU).

Parameters

rate	Coarse graining rate.
grid	Grid object containing information about the grid.
magnetic_field	MagneticField object containing magnetic field information.
species	Species object containing particle data.
vgrid	VelocityGrid object containing velocity grid information.
pol_decomp	DomainDecomposition object containing domain decomposition information.
bin_weight	VGridDistribution object for bin weights.
i_item	Particle index.

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compute_bin_weight()

template<class Device >

KOKKOS_INLINE_FUNCTION void compute_bin_weight	(	const Grid< Device > &	grid,
		const MagneticField< Device > &	magnetic_field,
		const Species< Device > &	species,
		const VelocityGrid &	vgrid,
		const DomainDecomposition< Device > &	pol_decomp,
		const VGridDistribution< Device > &	bin_weight,
		const VGridDistribution< Device > &	bin_count,
		const int	i_item
	)

Compute the node, imu, ivp, bin_weight, and bin_counter for particles.

Bin for particles with the same node need to be binned on the velocity grid. bin_weight(node, imu, ivp, isp) where isp can be 1 for species.

Template Parameters

Device

Type of the device (e.g., CPU or GPU).

Parameters

grid	Grid object containing information about the grid.
magnetic_field	MagneticField object containing magnetic field information.
species	Species object containing particle data.
vgrid	VelocityGrid object containing velocity grid information.
pol_decomp	DomainDecomposition object containing domain decomposition information.
bin_weight	VGridDistribution object for bin weights.
bin_count	VGridDistribution object for bin counts.
i_item	Particle index.

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