Functions/Subroutines
subroutine, public	init_collisions

subroutine, public	collisions_disp
	Main routine for the multi-species collision operator. More...

real function	glratio (isp, st, chit, ut, mut, psi0corr)

subroutine	collisionless_to_collision_background (isp, ip)

subroutine	collision_to_collisionless_background (isp, ip)

subroutine	collisions_langevin_l (pic1_loc, pic2_loc, isp, ispback)
	Use the Langevin approach to compute the test particle part of the linear collision operator. More...

subroutine	collisions_langevin_nl (pic1_loc, pic2_loc, isp, ispback)
	Use the Langevin approach to compute the non linear collision operator. More...

subroutine	moment_correction (pic1_loc, pic2_loc, ispa, ispb)
	the weights are corrected after the collisions in order to conserve density and & ensure the right exchanges of momentum and energy inside each spatial bin More...

subroutine, public	get_bin_momentum (isp, st, chit, phit, Nval, Vpval, Tval, qpval)
	get the fluid moments corresponding to the bin which contains the marker More...

subroutine	initial_momentum_computation
	Compute and save the values of the three moments for each bin before the collision step. More...

subroutine	delta_momentum_computation (isp, choice)
	Compute and save the evolution of the three moments for each bin during the collision step. More...

subroutine	build_conservation_matrix (pic1_loc, pic2_loc, ispa, ispb)
	Build matrix that are used to ensure conservation inside each spatial bin. More...

subroutine	alpha_computation (ispa, ispb)

subroutine	momentum_evol_theo_l (ibin, ispa, ispb, deltaP, deltaE)

subroutine	momentum_evol_theo_nl (ibin, ispa, ispb, deltaP, deltaE)

real function, public	rosenbluth_h (x)

real function, public	rosenbluth_k (x)

real function	derf_dx (x)

subroutine	get_m_l (ibin, ispa, ispb, v_loc, xi_loc, M1, M2)

subroutine	get_m_nl (ibin, ispa, ispb, v_loc, xi_loc, M1, M2)

subroutine	compute_nuab_bar (ibin, ispa, ispb, nu_ab_bar)

real function	initial_momentum_function (isp, psi, moment_type)

integer function	coll_ibin_to_radial_index (ibin)
	invert the radial index part of get_space_bin (ibin -> s_bin_index) More...

real function	coll_radial_bin_pos (ix)
	get the real radial position of the i-th radial bin More...

Variables
real, dimension(:,:,:), allocatable	initial_momentum

real, dimension(:,:,:), allocatable	mat_cons_3d

real, dimension(:,:), allocatable	delta_momentum_p

real, dimension(:,:), allocatable	delta_momentum_w

real, dimension(:,:), allocatable	alpha_coef_p

real, dimension(:,:), allocatable	alpha_coef_w

real, dimension(:), allocatable, save, public	rx

real, dimension(:), allocatable, save, public	ry

real, dimension(:), allocatable, save, public	rz

real, save	sqrt_pi

real, save	sqrt_2

Function/Subroutine Documentation

◆ alpha_computation()

subroutine collisions_mod::alpha_computation	(	integer, intent(in)	ispa,
		integer, intent(in)	ispb
	)

private

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◆ build_conservation_matrix()

subroutine collisions_mod::build_conservation_matrix	(	real, dimension(:,:), intent(in)	pic1_loc,
		real, dimension(:,:), intent(in)	pic2_loc,
		integer, intent(in)	ispa,
		integer, intent(in)	ispb
	)

private

Build matrix that are used to ensure conservation inside each spatial bin.

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◆ coll_ibin_to_radial_index()

integer function collisions_mod::coll_ibin_to_radial_index ( integer, intent(in) ibin )

private

invert the radial index part of get_space_bin (ibin -> s_bin_index)

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◆ coll_radial_bin_pos()

real function collisions_mod::coll_radial_bin_pos ( integer, intent(in) ix )

private

get the real radial position of the i-th radial bin

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◆ collision_to_collisionless_background()

subroutine collisions_mod::collision_to_collisionless_background	(	integer, intent(in)	isp,
		integer, intent(in)	ip
	)

private

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◆ collisionless_to_collision_background()

subroutine collisions_mod::collisionless_to_collision_background	(	integer, intent(in)	isp,
		integer, intent(in)	ip
	)

private

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◆ collisions_disp()

subroutine, public collisions_mod::collisions_disp

Main routine for the multi-species collision operator.

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◆ collisions_langevin_l()

subroutine collisions_mod::collisions_langevin_l	(	real, dimension(:,:), intent(inout)	pic1_loc,
		real, dimension(:,:), intent(inout)	pic2_loc,
		integer, intent(in)	isp,
		integer, intent(in)	ispback
	)

private

Use the Langevin approach to compute the test particle part of the linear collision operator.

Parameters

[in,out] pic1_loc pic array of a certain species.

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◆ collisions_langevin_nl()

subroutine collisions_mod::collisions_langevin_nl	(	real, dimension(:,:), intent(inout)	pic1_loc,
		real, dimension(:,:), intent(inout)	pic2_loc,
		integer, intent(in)	isp,
		integer, intent(in)	ispback
	)

private

Use the Langevin approach to compute the non linear collision operator.

Parameters

[in,out] pic1_loc pic array of a certain species.

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◆ compute_nuab_bar()

subroutine collisions_mod::compute_nuab_bar	(	integer, intent(in)	ibin,
		integer, intent(in)	ispa,
		integer, intent(in)	ispb,
		real, intent(out)	nu_ab_bar
	)

private

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◆ delta_momentum_computation()

subroutine collisions_mod::delta_momentum_computation	(	integer, intent(in)	isp,
		integer, intent(in)	choice
	)

private

Compute and save the evolution of the three moments for each bin during the collision step.

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◆ derf_dx()

real function collisions_mod::derf_dx ( real x )

private

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◆ get_bin_momentum()

subroutine, public collisions_mod::get_bin_momentum	(	integer, intent(in)	isp,
		real, intent(in)	st,
		real, intent(in)	chit,
		real, intent(in)	phit,
		real, intent(out)	Nval,
		real, intent(out)	Vpval,
		real, intent(out)	Tval,
		real, intent(out)	qpval
	)

get the fluid moments corresponding to the bin which contains the marker

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◆ get_m_l()

subroutine collisions_mod::get_m_l	(	integer, intent(in)	ibin,
		integer, intent(in)	ispa,
		integer, intent(in)	ispb,
		real, intent(in)	v_loc,
		real, intent(in)	xi_loc,
		real, intent(out)	M1,
		real, intent(out)	M2
	)

private

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◆ get_m_nl()

subroutine collisions_mod::get_m_nl	(	integer, intent(in)	ibin,
		integer, intent(in)	ispa,
		integer, intent(in)	ispb,
		real, intent(in)	v_loc,
		real, intent(in)	xi_loc,
		real, intent(out)	M1,
		real, intent(out)	M2
	)

private

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◆ glratio()

real function collisions_mod::glratio	(	integer, intent(in)	isp,
		real, intent(in)	st,
		real, intent(in)	chit,
		real, intent(in)	ut,
		real, intent(in)	mut,
		real, intent(in)	psi0corr
	)

private

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◆ init_collisions()

subroutine, public collisions_mod::init_collisions

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◆ initial_momentum_computation()

subroutine collisions_mod::initial_momentum_computation

private

Compute and save the values of the three moments for each bin before the collision step.

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◆ initial_momentum_function()

real function collisions_mod::initial_momentum_function	(	integer, intent(in)	isp,
		real, intent(in)	psi,
		integer, intent(in)	moment_type
	)

private

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◆ moment_correction()

subroutine collisions_mod::moment_correction	(	real, dimension(:,:), intent(inout)	pic1_loc,
		real, dimension(:,:), intent(inout)	pic2_loc,
		integer, intent(in)	ispa,
		integer, intent(in)	ispb
	)

private

the weights are corrected after the collisions in order to conserve density and & ensure the right exchanges of momentum and energy inside each spatial bin

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◆ momentum_evol_theo_l()

subroutine collisions_mod::momentum_evol_theo_l	(	integer, intent(in)	ibin,
		integer, intent(in)	ispa,
		integer, intent(in)	ispb,
		real, intent(out)	deltaP,
		real, intent(out)	deltaE
	)

private

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◆ momentum_evol_theo_nl()

subroutine collisions_mod::momentum_evol_theo_nl	(	integer, intent(in)	ibin,
		integer, intent(in)	ispa,
		integer, intent(in)	ispb,
		real, intent(out)	deltaP,
		real, intent(out)	deltaE
	)

private

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◆ rosenbluth_h()

real function, public collisions_mod::rosenbluth_h ( real x )

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◆ rosenbluth_k()

real function, public collisions_mod::rosenbluth_k ( real x )

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Variable Documentation

◆ alpha_coef_p

real, dimension(:,:), allocatable collisions_mod::alpha_coef_p

private

◆ alpha_coef_w

real, dimension(:,:), allocatable collisions_mod::alpha_coef_w

private

◆ delta_momentum_p

real, dimension(:,:), allocatable collisions_mod::delta_momentum_p

private

◆ delta_momentum_w

real, dimension(:,:), allocatable collisions_mod::delta_momentum_w

private

◆ initial_momentum

real, dimension(:,:,:), allocatable collisions_mod::initial_momentum

private

◆ mat_cons_3d

real, dimension(:,:,:), allocatable collisions_mod::mat_cons_3d

private

◆ rx

real, dimension(:), allocatable, save, public collisions_mod::rx

◆ ry

real, dimension(:), allocatable, save, public collisions_mod::ry

◆ rz

real, dimension(:), allocatable, save, public collisions_mod::rz

◆ sqrt_2

real, save collisions_mod::sqrt_2

private

◆ sqrt_pi

real, save collisions_mod::sqrt_pi

private

Functions/Subroutines

Variables

Function/Subroutine Documentation

◆ alpha_computation()

◆ build_conservation_matrix()

◆ coll_ibin_to_radial_index()

◆ coll_radial_bin_pos()

◆ collision_to_collisionless_background()

◆ collisionless_to_collision_background()

◆ collisions_disp()

◆ collisions_langevin_l()

◆ collisions_langevin_nl()

◆ compute_nuab_bar()

◆ delta_momentum_computation()

◆ derf_dx()

◆ get_bin_momentum()

◆ get_m_l()

◆ get_m_nl()

◆ glratio()

◆ init_collisions()

◆ initial_momentum_computation()

◆ initial_momentum_function()

◆ moment_correction()

◆ momentum_evol_theo_l()

◆ momentum_evol_theo_nl()

◆ rosenbluth_h()

◆ rosenbluth_k()

Variable Documentation

◆ alpha_coef_p

◆ alpha_coef_w

◆ delta_momentum_p

◆ delta_momentum_w

◆ initial_momentum

◆ mat_cons_3d

◆ rx

◆ ry

◆ rz

◆ sqrt_2

◆ sqrt_pi