afsi.c File Reference

ASCOT Fusion Source Integrator AFSI. More...

#include <string.h>
#include <math.h>
#include <hdf5_hl.h>
#include "ascot5.h"
#include "print.h"
#include "gitver.h"
#include "physlib.h"

Go to the source code of this file.

Functions
void	afsi_compute_product_momenta_2d (int i, real m1, real m2, real mprod1, real mprod2, real Q, int prodmomspace, real *ppara1, real *pperp1, real *ppara2, real *pperp2, real *vcom2, real *prod1_p1, real *prod1_p2, real *prod2_p1, real *prod2_p2)
	Compute momenta of reaction products.
void	afsi_sample_reactant_momenta_2d (sim_data *sim, afsi_data *afsi, real mass1, real mass2, real vol, int nsample, size_t i0, size_t i1, size_t i2, real r, real phi, real z, real time, real rho, real *density1, real *ppara1, real *pperp1, real *density2, real *ppara2, real *pperp2)
	Sample velocities from reactant distributions.
void	afsi_sample_beam_2d (histogram *hist, real mass, real vol, int nsample, size_t i0, size_t i1, size_t i2, real *density, real *ppara, real *pperp)
	Sample ppara and pperp from a 5D distribution.
void	afsi_sample_thermal_2d (sim_data *sim, int ispecies, real mass, int nsample, real r, real phi, real z, real time, real rho, real *density, real *ppara, real *pperp)
	Sample ppara and pperp from a thermal (Maxwellian) population.
void	afsi_run (sim_data *sim, afsi_data *afsi, int n, histogram *prod1, histogram *prod2)
	Calculate fusion source from two arbitrary ion distributions.

Variables
random_data	rdata

Detailed Description

ASCOT Fusion Source Integrator AFSI.

Definition in file afsi.c.

Function Documentation

afsi_compute_product_momenta_2d()

void afsi_compute_product_momenta_2d	(	int	i,
		real	m1,
		real	m2,
		real	mprod1,
		real	mprod2,
		real	Q,
		int	prodmomspace,
		real *	ppara1,
		real *	pperp1,
		real *	ppara2,
		real *	pperp2,
		real *	vcom2,
		real *	prod1_p1,
		real *	prod1_p2,
		real *	prod2_p1,
		real *	prod2_p2 )

Compute momenta of reaction products.

Parameters

i	marker index on input velocity and output momentum arrays.
m1	mass of reactant 1 [kg].
m2	mass of reactant 2 [kg].
mprod1	mass of product 1 [kg].
mprod2	mass of product 2 [kg].
Q	energy released in the reaction [eV].
ppara1	the parallel momentum of react1
pperp1	the perpendicular momentum of react1
ppara2	the parallel momentum of react2
pperp2	the perpendicular momentum of react2
vcom2	pointer for storing relative velocity of i'th reactants
pparaprod1	array where parallel momentum of product 1 is stored.
pperpprod1	array where perpendicular momentum of product 1 is stored.
pparaprod2	array where parallel momentum of product 2 is stored.
pperpprod2	array where perpendicular momentum of product 2 is stored.

Definition at line 310 of file afsi.c.

afsi_sample_reactant_momenta_2d()

void afsi_sample_reactant_momenta_2d	(	sim_data *	sim,
		afsi_data *	afsi,
		real	mass1,
		real	mass2,
		real	vol,
		int	nsample,
		size_t	i0,
		size_t	i1,
		size_t	i2,
		real	r,
		real	phi,
		real	z,
		real	time,
		real	rho,
		real *	density1,
		real *	ppara1,
		real *	pperp1,
		real *	density2,
		real *	ppara2,
		real *	pperp2 )

Sample velocities from reactant distributions.

Parameters

react1	reactant 1 distribution data.
react2	reactant 2 distribution data.
m1	mass of reactant 1 [kg].
m2	mass of reactant 2 [kg].
n	number of samples.
iR	R index of the distribution cell where sampling is done.
iphi	phi index of the distribution cell where sampling is done.
iz	z index of the distribution cell where sampling is done.
ppara1	array where the parallel momentum of react1 will be stored
pperp1	array where the perpendicular momentum of react1 will be stored
ppara2	array where the parallel momentum of react2 will be stored
pperp2	array where the perpendicular momentum of react2 will be stored

Definition at line 399 of file afsi.c.

afsi_sample_beam_2d()

void afsi_sample_beam_2d	(	histogram *	hist,
		real	mass,
		real	vol,
		int	nsample,
		size_t	i0,
		size_t	i1,
		size_t	i2,
		real *	density,
		real *	ppara,
		real *	pperp )

Sample ppara and pperp from a 5D distribution.

Parameters

dist	pointer to the distribution data.
nsample	number of values to be sampled.
spatial_index	spatial index where sampling is done.
ppara	pointer to array where sampled parallel momenta are stored.
pperp	pointer to array where sampled perpedicular momenta are stored.

Definition at line 432 of file afsi.c.

afsi_sample_thermal_2d()

void afsi_sample_thermal_2d	(	sim_data *	sim,
		int	ispecies,
		real	mass,
		int	nsample,
		real	r,
		real	phi,
		real	z,
		real	time,
		real	rho,
		real *	density,
		real *	ppara,
		real *	pperp )

Sample ppara and pperp from a thermal (Maxwellian) population.

Sampling from Maxwellian distribution is done using Eq. (7) in "Efficient Algorithm for Generating Maxwell Random Variables", N. Mohamed, DOI 10.1007/s10955-011-0364-y

Parameters

data	pointer to the thermal data.
mass	mass of the particle species.
nsample	number of values to be sampled.
spatial_index	spatial index where sampling is done.
ppara	pointer to array where sampled parallel momenta are stored.
pperp	pointer to array where sampled perpedicular momenta are stored.

Definition at line 518 of file afsi.c.

afsi_run()

void afsi_run	(	sim_data *	sim,
		afsi_data *	afsi,
		int	n,
		histogram *	prod1,
		histogram *	prod2 )

Calculate fusion source from two arbitrary ion distributions.

Inputs and outputs are expected to have same physical (R, phi, z) dimensions.

Parameters

sim	pointer to simulation data
reaction	fusion reaction type, see the description
n	number of Monte Carlo samples to be used
react1	reactant 1 distribution data
react2	reactant 2 distribution data
mult	factor by which the output is scaled
prod1_data	distribution data for product 1 output
prod2_data	distribution data for product 2 output

Definition at line 62 of file afsi.c.

Variable Documentation

rdata

random_data rdata

Random number generator used by AFSI

Definition at line 26 of file afsi.c.