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init.py
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#-Begin-preamble-------------------------------------------------------
#
# CERN
#
# European Organization for Nuclear Research
#
#
# This file is part of the code:
#
# PyECLOUD Version 8.7.0
#
#
# Main author: Giovanni IADAROLA
# BE-ABP Group
# CERN
# CH-1211 GENEVA 23
# SWITZERLAND
#
# Contributors: Eleonora Belli
# Philipp Dijkstal
# Lorenzo Giacomel
# Lotta Mether
# Annalisa Romano
# Giovanni Rumolo
# Eric Wulff
#
#
# Copyright CERN, Geneva 2011 - Copyright and any other
# appropriate legal protection of this computer program and
# associated documentation reserved in all countries of the
# world.
#
# Organizations collaborating with CERN may receive this program
# and documentation freely and without charge.
#
# CERN undertakes no obligation for the maintenance of this
# program, nor responsibility for its correctness, and accepts
# no liability whatsoever resulting from its use.
#
# Program and documentation are provided solely for the use of
# the organization to which they are distributed.
#
# This program may not be copied or otherwise distributed
# without permission. This message must be retained on this and
# any other authorized copies.
#
# The material cannot be sold. CERN should be given credit in
# all references.
#
#-End-preamble---------------------------------------------------------
import os
import numpy as np
from scipy.constants import c, m_e, e as qe
from scipy.constants import m_p
from . import myloadmat_to_obj as mlm
from . import beam_and_timing as beatim
from .geom_impact_ellip import ellip_cham_geom_object
from . import geom_impact_poly_fast_impact as gipfi
from . import geom_impact_rect_fast_impact as girfi
from .sec_emission_model_ECLOUD import SEY_model_ECLOUD
from .sec_emission_model_accurate_low_ene import SEY_model_acc_low_ene
from .sec_emission_model_ECLOUD_nunif import SEY_model_ECLOUD_non_unif
from .sec_emission_model_ECLOUD_nunif import SEY_model_ECLOUD_non_unif_charging
from .sec_emission_model_cos_low_ener import SEY_model_cos_le
from .sec_emission_model_flat_low_ener import SEY_model_flat_le
from .sec_emission_model_from_file import SEY_model_from_file
from .sec_emission_model_furman_pivi import SEY_model_furman_pivi
from .sec_emission_model_perfect_absorber import SEY_model_perfect_absorber
from . import dynamics_dipole as dyndip
from . import dynamics_Boris_f2py as dynB
from . import dynamics_strong_B_generalized as dyngen
from . import dynamics_Boris_multipole as dynmul
from . import MP_system as MPs
from . import space_charge_class as scc
from . import space_charge_class_electromagnetic as scc_em
from . import impact_management_class as imc
from . import pyecloud_saver as pysav
from . import gas_ionization_class as gic
from . import gen_photoemission_class as gpc
from . import parse_beam_file as pbf
from . import parse_cloud_file as pcf
from . import input_parameters_format_specification as inp_spec
from . import cloud_manager as cman
from . import cross_ionization as cion
def read_parameter_files(pyecl_input_folder='./', skip_beam_files=False):
simulation_param_file = 'simulation_parameters.input'
# Parse simulation_parameters.input
input_parameters = inp_spec.import_module_from_file('simulation_parameters', os.path.join(pyecl_input_folder, simulation_param_file))
# Get names of other input files
machine_param_file = input_parameters.machine_param_file
secondary_emission_parameters_file = input_parameters.secondary_emission_parameters_file
beam_parameters_file = input_parameters.beam_parameters_file
# Parse other input files
machine_parameters = inp_spec.import_module_from_file('machine_parameters', os.path.join(pyecl_input_folder, machine_param_file))
secondary_emission_parameters = inp_spec.import_module_from_file('secondary_emission_parameters', os.path.join(pyecl_input_folder, secondary_emission_parameters_file))
# Update input_parameters object with parameters from other files
inp_spec.update_module(input_parameters, machine_parameters)
inp_spec.update_module(input_parameters, secondary_emission_parameters)
# Check validity of input files
inp_spec.assert_module_has_parameters(input_parameters, 'combined_simulations_secondaryEmission_machine_parameters')
# Create config_dict with all allowed input parameters (not specified are set to default)
config_dict = {}
inp_spec.update_config_dict(config_dict, input_parameters, 'combined_simulations_secondaryEmission_machine_parameters')
# Check validity of main beam input file (not yet used at this stage)
if not skip_beam_files:
beam_beam = inp_spec.import_module_from_file('beam_beam', os.path.join(pyecl_input_folder, beam_parameters_file))
inp_spec.assert_module_has_parameters(beam_beam, 'beam_beam')
return config_dict
def read_input_files_and_init_components(pyecl_input_folder='./', skip_beam=False,
skip_pyeclsaver=False, skip_spacech_ele=False,
spacech_ele=None,
ignore_kwargs=(), **kwargs):
config_dict = read_parameter_files(pyecl_input_folder, skip_beam_files=skip_beam)
# Override config values with kwargs
for attr, value in list(kwargs.items()):
if attr in ignore_kwargs:
continue
print('Ecloud init. From kwargs: %s = %r' % (attr, value))
if attr in config_dict:
config_dict[attr] = value
else:
raise inp_spec.PyECLOUD_ConfigException('What exactly does %s do? It is not an expected input.' % attr)
# Config object
cc = mlm.obj_from_dict(config_dict)
# Init beam and possibly second beams
if not skip_beam:
flag_presence_sec_beams = len(cc.secondary_beams_file_list) > 0
b_par = pbf.beam_descr_from_fil(os.path.join(pyecl_input_folder, cc.beam_parameters_file), cc.betafx, cc.Dx, cc.betafy, cc.Dy)
sec_b_par_list = []
if flag_presence_sec_beams:
for sec_b_file in cc.secondary_beams_file_list:
sec_b_par_list.append(pbf.beam_descr_from_fil(os.path.join(pyecl_input_folder, sec_b_file), cc.betafx, cc.Dx, cc.betafy, cc.Dy))
else:
flag_presence_sec_beams = False
sec_b_par_list = []
# Init of saver (first print to stdout)
if not skip_pyeclsaver:
pyeclsaver = pysav.pyecloud_saver(cc.logfile_path)
else:
pyeclsaver = None
# Parse additional cloud files
flag_multiple_clouds = len(cc.additional_clouds_file_list) > 0
cloud_par_list = []
# Make parameter object for default cloud from config dict
cloud_par_list.append(pcf.cloud_descr_from_file(cloudfilename=None, default_param_obj=cc))
if flag_multiple_clouds:
# Get parameter object for additional clouds (unspecified optional parameters set from general config dict)
for add_cloud_file in cc.additional_clouds_file_list:
cloud_par_list.append(pcf.cloud_descr_from_file(cloudfilename=os.path.join(pyecl_input_folder, add_cloud_file), default_param_obj=cc))
# Init chamber
flag_non_unif_sey = False
for cloud_par in cloud_par_list:
if cloud_par.cc.switch_model=="ECLOUD_nunif" or cloud_par.cc.switch_model=="ECLOUD_nunif_charging":
flag_non_unif_sey = True
chamber_kwargs = {
'flag_verbose_file': cc.flag_verbose_file,
'flag_verbose_stdout': cc.flag_verbose_stdout,
'flag_assume_convex': cc.flag_assume_convex,
}
if cc.chamb_type == 'ellip':
chamb = ellip_cham_geom_object(cc.x_aper, cc.y_aper, flag_verbose_file=cc.flag_verbose_file)
elif cc.chamb_type in ('polyg', 'polyg_cython'):
if os.path.isfile(pyecl_input_folder + '/' + cc.filename_chm):
filename_chm_path = pyecl_input_folder + '/' + cc.filename_chm
elif os.path.isfile(pyecl_input_folder + '/' + cc.filename_chm + '.mat'):
filename_chm_path = pyecl_input_folder + '/' + cc.filename_chm + '.mat'
else:
filename_chm_path = cc.filename_chm
chamb = gipfi.polyg_cham_geom_object(filename_chm_path, flag_non_unif_sey, **chamber_kwargs)
elif cc.chamb_type == 'rect':
chamb = girfi.rect_cham_geom_object(cc.x_aper, cc.y_aper, flag_non_unif_sey, **chamber_kwargs)
else:
raise inp_spec.PyECLOUD_ConfigException('Chamber type not recognized (choose: ellip/rect/polyg)')
# Init beam and timing
if not skip_beam:
try:
if os.path.isfile(pyecl_input_folder + '/' + b_par.beam_long_prof_file):
beam_long_prof_file_path = pyecl_input_folder + '/' + b_par.beam_long_prof_file
elif os.path.isfile(pyecl_input_folder + '/' + b_par.beam_long_prof_file + '.mat'):
beam_long_prof_file_path = pyecl_input_folder + '/' + b_par.beam_long_prof_file + '.mat'
else:
beam_long_prof_file_path = b_par.beam_long_prof_file
except:
beam_long_prof_file_path = b_par.beam_long_prof_file
if cc.progress_path is not None:
progress_mapgen_file = cc.progress_path + '_mapgen'
else:
progress_mapgen_file = None
beamtim = beatim.beam_and_timing(b_par.flag_bunched_beam, b_par.fact_beam, b_par.coast_dens, b_par.q_part, b_par.beam_field_file, cc.lam_th,
b_spac=b_par.b_spac, sigmaz=b_par.sigmaz, t_offs=b_par.t_offs, filling_pattern_file=b_par.filling_pattern_file, Dt=cc.Dt, t_end=cc.t_end,
beam_long_prof_file=beam_long_prof_file_path, Dh_beam_field=b_par.Dh_beam_field, f_telescope_beam=b_par.f_telescope_beam,
target_grid_beam=b_par.target_grid_beam, N_nodes_discard_beam=b_par.N_nodes_discard_beam, N_min_Dh_main_beam=b_par.N_min_Dh_main_beam,
chamb=chamb, sigmax=b_par.sigmax, sigmay=b_par.sigmay,
x_beam_pos=b_par.x_beam_pos, y_beam_pos=b_par.y_beam_pos, save_beam_field_file_as=b_par.save_beam_field_file_as,
Nx=b_par.Nx, Ny=b_par.Ny, nimag=b_par.nimag, progress_mapgen_file=progress_mapgen_file)
if beamtim.N_pass_tot % cc.save_mat_every != 0:
raise ValueError("Variable save_mat_every=" + str(cc.save_mat_every) + " does not divide the total number of passages=" + str(beamtim.N_pass_tot))
sec_beams_list = []
if flag_presence_sec_beams:
N_sec_beams = len(sec_b_par_list)
for ii in range(N_sec_beams):
print('Initialize secondary beam %d/%d' % (ii + 1, N_sec_beams))
sb_par = sec_b_par_list[ii]
try:
if os.path.isfile(pyecl_input_folder + '/' + sb_par.beam_long_prof_file):
sbeam_long_prof_file_path = pyecl_input_folder + '/' + sb_par.beam_long_prof_file
elif os.path.isfile(pyecl_input_folder + '/' + b_par.beam_long_prof_file + '.mat'):
sbeam_long_prof_file_path = pyecl_input_folder + '/' + sb_par.beam_long_prof_file + '.mat'
else:
sbeam_long_prof_file_path = sb_par.beam_long_prof_file
except TypeError:
# in case sb_par.beam_long_prof_file is -1
sbeam_long_prof_file_path = sb_par.beam_long_prof_file
sec_beams_list.append(beatim.beam_and_timing(sb_par.flag_bunched_beam, sb_par.fact_beam, sb_par.coast_dens, sb_par.q_part, sb_par.beam_field_file, cc.lam_th,
b_spac=sb_par.b_spac, sigmaz=sb_par.sigmaz, t_offs=sb_par.t_offs, filling_pattern_file=sb_par.filling_pattern_file, Dt=cc.Dt, t_end=cc.t_end,
beam_long_prof_file=sbeam_long_prof_file_path, Dh_beam_field=sb_par.Dh_beam_field, f_telescope_beam=sb_par.f_telescope_beam,
target_grid_beam=sb_par.target_grid_beam, N_nodes_discard_beam=sb_par.N_nodes_discard_beam, N_min_Dh_main_beam=sb_par.N_min_Dh_main_beam,
chamb=chamb, sigmax=sb_par.sigmax, sigmay=sb_par.sigmay,
x_beam_pos=sb_par.x_beam_pos, y_beam_pos=sb_par.y_beam_pos, save_beam_field_file_as=sb_par.save_beam_field_file_as,
flag_secodary_beam=True, t_primary_beam=beamtim.t,
Nx=sb_par.Nx, Ny=sb_par.Ny, nimag=sb_par.nimag, progress_mapgen_file=(cc.progress_path + ('_mapgen_sec_%d' % ii))))
else:
beamtim = None
sec_beams_list = []
# Init spacecharge
if skip_spacech_ele:
spacech_ele_sim = None
elif spacech_ele is not None:
spacech_ele_sim = spacech_ele
else:
if cc.sparse_solver == 'klu':
print('''sparse_solver: 'klu' no longer supported --> going to PyKLU''')
cc.sparse_solver = 'PyKLU'
if cc.flag_em_tracking:
if skip_beam:
raise ValueError("Beam must be included when using electromagnetic tracking!!")
spacech_ele_sim = scc_em.space_charge_electromagnetic(chamb, cc.Dh_sc, b_par.gamma_rel, Dt_sc=cc.Dt_sc, sparse_solver=cc.sparse_solver, PyPICmode=cc.PyPICmode,
f_telescope=cc.f_telescope, target_grid=cc.target_grid, N_nodes_discard=cc.N_nodes_discard, N_min_Dh_main=cc.N_min_Dh_main,
Dh_U_eV=cc.Dh_electric_energy)
else:
spacech_ele_sim = scc.space_charge(chamb, cc.Dh_sc, Dt_sc=cc.Dt_sc, sparse_solver=cc.sparse_solver, PyPICmode=cc.PyPICmode,
f_telescope=cc.f_telescope, target_grid=cc.target_grid, N_nodes_discard=cc.N_nodes_discard, N_min_Dh_main=cc.N_min_Dh_main,
Dh_U_eV=cc.Dh_electric_energy)
# Init cross-ionization
flag_cross_ion = False
if cc.cross_ion_definitions is not None:
flag_cross_ion = True
# Loop over clouds to init all cloud-specific objects
cloud_list = []
for cloud_par in cloud_par_list:
thiscloud = cloud_par.cc
print('Initialize cloud %s:' % (thiscloud.cloud_name))
# Init saver for all but default cloud (which is already initialized)
if cloud_par is not cloud_par_list[0]:
if not skip_pyeclsaver:
pyeclsaver = pysav.pyecloud_saver(thiscloud.logfile_path)
else:
pyeclsaver = None
# Init MP system
MP_e = MPs.MP_system(thiscloud.N_mp_max, thiscloud.nel_mp_ref_0, thiscloud.fact_split, thiscloud.fact_clean,
thiscloud.N_mp_regen_low, thiscloud.N_mp_regen, thiscloud.N_mp_after_regen,
thiscloud.Dx_hist, thiscloud.Nx_regen, thiscloud.Ny_regen, thiscloud.Nvx_regen,
thiscloud.Nvy_regen, thiscloud.Nvz_regen, thiscloud.regen_hist_cut, chamb,
N_mp_soft_regen=thiscloud.N_mp_soft_regen, N_mp_after_soft_regen=thiscloud.N_mp_after_soft_regen,
N_mp_async_regen=thiscloud.N_mp_async_regen, N_mp_after_async_regen=thiscloud.N_mp_after_async_regen,
charge=thiscloud.cloud_charge, mass=thiscloud.cloud_mass, flag_lifetime_hist = thiscloud.flag_lifetime_hist,
name=thiscloud.cloud_name)
# Init secondary emission object
if thiscloud.switch_model == 'perfect_absorber':
sey_mod = SEY_model_perfect_absorber()
else:
kwargs_secem = {}
if thiscloud.E0 is not None:
kwargs_secem.update({'E0': thiscloud.E0})
#If E0 is not provided use default value for each object
if thiscloud.s_param is not None:
if thiscloud.switch_model == 0 or thiscloud.switch_model == 'ECLOUD':
kwargs_secem.update({'s': thiscloud.s_param})
else:
raise inp_spec.PyECLOUD_ConfigException('s parameter can be changed only in the ECLOUD sec. emission model!')
if thiscloud.switch_model in (0, 'ECLOUD'):
kwargs_secem['flag_costheta_delta_scale'] = thiscloud.flag_costheta_delta_scale
kwargs_secem['flag_costheta_Emax_shift'] = thiscloud.flag_costheta_Emax_shift
sey_mod = SEY_model_ECLOUD(
thiscloud.Emax, thiscloud.del_max, thiscloud.R0,
E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
**kwargs_secem)
elif thiscloud.switch_model in (1, 'ACC_LOW'):
sey_mod = SEY_model_acc_low_ene(thiscloud.Emax, thiscloud.del_max, thiscloud.R0,
E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
**kwargs_secem)
elif thiscloud.switch_model == 'ECLOUD_nunif':
sey_mod = SEY_model_ECLOUD_non_unif(chamb, thiscloud.Emax, thiscloud.del_max, thiscloud.R0,
E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
**kwargs_secem)
elif thiscloud.switch_model == 'ECLOUD_nunif_charging':
sey_mod = SEY_model_ECLOUD_non_unif_charging(chamb, thiscloud.Emax, thiscloud.del_max, thiscloud.R0,
E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
**kwargs_secem)
elif thiscloud.switch_model == 'cos_low_ene':
sey_mod = SEY_model_cos_le(thiscloud.Emax, thiscloud.del_max, thiscloud.R0,
E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
**kwargs_secem)
elif thiscloud.switch_model == 'flat_low_ene':
sey_mod = SEY_model_flat_le(thiscloud.Emax, thiscloud.del_max, thiscloud.R0,
E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
**kwargs_secem)
elif thiscloud.switch_model == 'from_file':
kwargs_secem['flag_costheta_delta_scale'] = thiscloud.flag_costheta_delta_scale
kwargs_secem['flag_costheta_Emax_shift'] = thiscloud.flag_costheta_Emax_shift
if os.path.isfile(pyecl_input_folder + '/' + thiscloud.sey_file):
sey_file_path = pyecl_input_folder + '/' + thiscloud.sey_file
elif os.path.isfile(pyecl_input_folder + '/' + thiscloud.sey_file + '.mat'):
sey_file_path = pyecl_input_folder + '/' + thiscloud.sey_file + '.mat'
else:
sey_file_path = thiscloud.sey_file
sey_mod = SEY_model_from_file(sey_file_path,
E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
**kwargs_secem)
elif(thiscloud.switch_model == 'furman_pivi'):
kwargs_secem['flag_costheta_delta_scale'] = thiscloud.flag_costheta_delta_scale
kwargs_secem['flag_costheta_Emax_shift'] = thiscloud.flag_costheta_Emax_shift
sey_mod = SEY_model_furman_pivi(E_th=thiscloud.E_th, sigmafit=thiscloud.sigmafit, mufit=thiscloud.mufit,
switch_no_increase_energy=thiscloud.switch_no_increase_energy,
thresh_low_energy=thiscloud.thresh_low_energy,
secondary_angle_distribution=thiscloud.secondary_angle_distribution,
furman_pivi_surface=thiscloud.furman_pivi_surface,
**kwargs_secem)
else:
raise inp_spec.PyECLOUD_ConfigException('switch_model not recognized!')
# Init impact management
flag_seg = (thiscloud.flag_hist_impact_seg == 1 or thiscloud.flag_hist_impact_seg is True)
if flag_seg and cc.chamb_type == 'ellip':
print('Warning: You cannot enable flag_hist_impact_seg for an ellip chamber --> disabled!')
flag_seg = False
if cc.flag_lifetime_hist:
if cc.Nbin_lifetime_hist is None or cc.lifetime_hist_max is None or cc.Dt_lifetime_hist is None:
raise inp_spec.PyECLOUD_ConfigException(
'If flag_lifetime_hist is True then all the histogram parameters must be specified')
impact_man = imc.impact_management(chamb, sey_mod,
thiscloud.Dx_hist, thiscloud.scrub_en_th, cc.Nbin_En_hist, cc.En_hist_max,
cc.Nbin_lifetime_hist, cc.lifetime_hist_max, cc.flag_lifetime_hist,
flag_seg=flag_seg, flag_En_hist_seg=thiscloud.flag_En_hist_seg,
cos_angle_width=cc.cos_angle_width)
# Init gas ionization and photoemission
if thiscloud.gas_ion_flag == 1:
resgasion = gic.residual_gas_ionization(thiscloud.unif_frac, thiscloud.P_nTorr, thiscloud.sigma_ion_MBarn,
thiscloud.Temp_K, chamb, thiscloud.E_init_ion, thiscloud.flag_lifetime_hist)
else:
resgasion = None
if thiscloud.photoem_flag == 1:
phemiss = gpc.photoemission(thiscloud.inv_CDF_refl_photoem_file, thiscloud.k_pe_st, thiscloud.refl_frac, thiscloud.e_pe_sigma, thiscloud.e_pe_max,
thiscloud.alimit, thiscloud.x0_refl, thiscloud.y0_refl, thiscloud.out_radius, chamb, thiscloud.phem_resc_fac,
thiscloud.energy_distribution, thiscloud.photoelectron_angle_distribution, beamtim, thiscloud.flag_continuous_emission)
elif thiscloud.photoem_flag in (2, 'from_file'):
phemiss = gpc.photoemission_from_file(thiscloud.inv_CDF_all_photoem_file, chamb, thiscloud.phem_resc_fac, thiscloud.energy_distribution,
thiscloud.e_pe_sigma, thiscloud.e_pe_max, thiscloud.k_pe_st, thiscloud.out_radius,
thiscloud.photoelectron_angle_distribution, beamtim, thiscloud.flag_continuous_emission)
elif thiscloud.photoem_flag in (3, 'per_segment'):
if os.path.isfile(pyecl_input_folder + '/' + thiscloud.filename_chm_photoem):
filename_chm_photoem_path = pyecl_input_folder + '/' + thiscloud.filename_chm_photoem
elif os.path.isfile(pyecl_input_folder + '/' + thiscloud.filename_chm_photoem + '.mat'):
filename_chm_photoem_path = pyecl_input_folder + '/' + thiscloud.filename_chm_photoem + '.mat'
else:
filename_chm_photoem_path = thiscloud.filename_chm_photoem
chamb_phemiss = gipfi.polyg_cham_photoemission(filename_chm_photoem_path)
if not chamb_phemiss.vertexes_are_subset(chamb):
raise gipfi.PyECLOUD_ChamberException('Chambers for secondary emission and photoemission do not have the same shape!')
phemiss = gpc.photoemission_per_segment(chamb_phemiss, thiscloud.energy_distribution, thiscloud.e_pe_sigma, thiscloud.e_pe_max, thiscloud.k_pe_st,
thiscloud.photoelectron_angle_distribution, beamtim, thiscloud.flag_continuous_emission)
else:
phemiss = None
# Real saver init
if not skip_pyeclsaver:
flag_last_cloud = cloud_par is cloud_par_list[-1]
pyeclsaver.start_observing(cc.Dt, MP_e, beamtim, impact_man,
thiscloud.r_center, thiscloud.Dt_En_hist, thiscloud.logfile_path, thiscloud.progress_path,
flag_detailed_MP_info=thiscloud.flag_detailed_MP_info, flag_movie=thiscloud.flag_movie,
flag_sc_movie=thiscloud.flag_sc_movie, save_mp_state_time_file=thiscloud.save_mp_state_time_file,
flag_presence_sec_beams=flag_presence_sec_beams, sec_beams_list=sec_beams_list, dec_fac_secbeam_prof=thiscloud.dec_fac_secbeam_prof,
el_density_probes=thiscloud.el_density_probes, save_simulation_state_time_file=thiscloud.save_simulation_state_time_file,
x_min_hist_det=thiscloud.x_min_hist_det, x_max_hist_det=thiscloud.x_max_hist_det,
y_min_hist_det=thiscloud.y_min_hist_det, y_max_hist_det=thiscloud.y_max_hist_det,
Dx_hist_det=thiscloud.Dx_hist_det, dec_fact_out=cc.dec_fact_out, stopfile=cc.stopfile, save_mat_every=cc.save_mat_every,
filen_main_outp=thiscloud.filen_main_outp, flag_cos_angle_hist=thiscloud.flag_cos_angle_hist, cos_angle_width=thiscloud.cos_angle_width,
flag_multiple_clouds=flag_multiple_clouds, cloud_name=thiscloud.cloud_name, flag_last_cloud=flag_last_cloud,
checkpoint_DT=cc.checkpoint_DT, checkpoint_folder=cc.checkpoint_folder, copy_main_outp_folder=cc.copy_main_outp_folder,
copy_main_outp_DT=cc.copy_main_outp_DT, extract_sey=cc.extract_sey,
step_by_step_custom_observables=cc.step_by_step_custom_observables,
pass_by_pass_custom_observables=cc.pass_by_pass_custom_observables,
save_once_custom_observables=cc.save_once_custom_observables,
flag_lifetime_hist = thiscloud.flag_lifetime_hist,
Dt_lifetime_hist = thiscloud.Dt_lifetime_hist,
extract_ene_dist=cc.extract_ene_dist,
ene_dist_test_E_impact_eV=cc.ene_dist_test_E_impact_eV,
Nbin_extract_ene=cc.Nbin_extract_ene,
factor_ene_dist_max=cc.factor_ene_dist_max,
flag_cross_ion=flag_cross_ion,
save_only = thiscloud.save_only,
flag_electric_energy=(cc.Dh_electric_energy is not None)
)
print('pyeclsaver saves to file: %s' % pyeclsaver.filen_main_outp)
# Init electron tracker
if cc.track_method == 'Boris':
if cc.flag_em_tracking == True:
raise ValueError("Track_method should be 'BorisMultipole' to use electromagnetic space charge!!")
temp_B0x = {True: 0., False: cc.B0x}[cc.B0x is None]
temp_B0y = {True: 0., False: cc.B0y}[cc.B0y is None]
temp_B0z = {True: 0., False: cc.B0z}[cc.B0z is None]
dynamics = dynB.pusher_Boris(cc.Dt, temp_B0x, temp_B0y, temp_B0z,
cc.B_map_file, cc.fact_Bmap, N_sub_steps=thiscloud.N_sub_steps)
elif cc.track_method == 'StrongBdip':
if cc.flag_em_tracking == True:
raise ValueError("Track_method should be 'BorisMultipole' to use electromagnetic space charge!!")
#~ raise ValueError('The StrongBdip tracker is no longer supported! If you really want to use it remove this line.')
if not(np.abs(thiscloud.cloud_charge - (-qe)) / np.abs(qe) < 1e-3 and np.abs(thiscloud.cloud_mass - m_e) / m_e < 1e-3):
raise ValueError('StrongBdip tracking method is implemented only for electrons!')
if cc.B == -1:
B = 2 * np.pi * b_par.beta_rel * b_par.energy_J / (c * qe * cc.bm_totlen)
else:
B = cc.B
dynamics = dyndip.pusher_dipole_magnet(cc.Dt, B)
elif cc.track_method == 'StrongBgen':
if cc.flag_em_tracking == True:
raise ValueError("Track_method should be 'BorisMultipole' to use electromagnetic space charge!!")
#~ raise ValueError('The StrongBgen tracker is no longer supported! If you really want to use it remove this line.')
if not(np.abs(thiscloud.cloud_charge - (-qe)) / np.abs(qe) < 1e-3 and np.abs(thiscloud.cloud_mass - m_e) / m_e < 1e-3):
raise ValueError('StrongBgen tracking method is implemented only for electrons!')
dynamics = dyngen.pusher_strong_B_generalized(cc.Dt, cc.B0x, cc.B0y,
cc.B_map_file, cc.fact_Bmap, cc.B_zero_thrhld)
elif cc.track_method == 'BorisMultipole':
dynamics = dynmul.pusher_Boris_multipole(Dt=cc.Dt, N_sub_steps=cc.N_sub_steps, B_multip=cc.B_multip, B_skew=cc.B_skew,
B0x=cc.B0x, B0y=cc.B0y, B0z=cc.B0z)
else:
raise inp_spec.PyECLOUD_ConfigException("track_method should be 'Boris' or 'StrongBdip' or 'StrongBgen' or 'BorisMultipole'")
# Initial electron density
if thiscloud.init_unif_flag == 1:
print("Adding initial %.2e electrons to the initial distribution" % thiscloud.Nel_init_unif)
MP_e.add_uniform_MP_distrib(thiscloud.Nel_init_unif, thiscloud.E_init_unif,
thiscloud.x_max_init_unif, thiscloud.x_min_init_unif,
thiscloud.y_max_init_unif, thiscloud.y_min_init_unif)
if thiscloud.init_unif_edens_flag == 1:
print("Adding initial %.2e electrons/m^3 to the initial distribution" % thiscloud.init_unif_edens)
MP_e.add_uniform_ele_density(n_ele=thiscloud.init_unif_edens, E_init=thiscloud.E_init_unif_edens,
x_max=thiscloud.x_max_init_unif_edens, x_min=thiscloud.x_min_init_unif_edens,
y_max=thiscloud.y_max_init_unif_edens, y_min=thiscloud.y_min_init_unif_edens)
if thiscloud.filename_init_MP_state != -1 and thiscloud.filename_init_MP_state is not None:
print("Adding initial electrons from: %s" % thiscloud.filename_init_MP_state)
MP_e.add_from_file(thiscloud.filename_init_MP_state)
# Init empty rho for cloud
if hasattr(spacech_ele_sim, 'rho'):
rho = spacech_ele_sim.rho * 0.
else:
rho = None
cloud = cman.Cloud(thiscloud.cloud_name, thiscloud, MP_e, impact_man, dynamics, pyeclsaver, thiscloud.gas_ion_flag,
resgasion, thiscloud.t_ion, thiscloud.photoem_flag, phemiss, rho)
cloud_list.append(cloud)
# Init cross-ionization object
if flag_cross_ion:
cross_ion = cion.Cross_Ionization(pyecl_input_folder, cc.cross_ion_definitions, cloud_list, chamb.area)
else:
cross_ion = None
return (beamtim,
spacech_ele_sim,
cc.t_sc_ON,
flag_presence_sec_beams,
sec_beams_list,
config_dict,
flag_multiple_clouds,
cloud_list,
cc.checkpoint_folder,
cross_ion,
cc.flag_reinterp_fields_at_substeps
)