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input_deck_streaming
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#######################################################################
#######################################################################
## ##
## UPIC-EMMA INPUT DECK ##
## ##
#######################################################################
#######################################################################
#
#######################################################################
# Simulation parameters : #
#######################################################################
# #
# N_threads = Number of threads per node used by OPEN_MP (shared #
# memory) #
# if N_threads=0, the maximum possible value is used #
# #
# FTFD = 0 for solving Maxwell eq. with the full spectral #
# solver #
# or N for emulating a Finite Time Finite Difference Yee #
# scheme with an acuracy order N; in this case, #
# N must be a multiple of 2 (<< centered numerical #
# schemes for the computations of derivatives) so #
# that 2*floor(N/2) is actually taken #
# #
# cfl = real number between 0. and 1. such that the time #
# step dt = cfl * f(Delta_x,Delta_y) where #
# dt <= f(Delta_x,Delta_y) is the stability condition #
# #
# laserpulse = .true. (to launch a laser pulse) or .false. (not) #
# #
# plasma = .true. (to initialize a plasma) or #
# .false. (to initialize vacuum) #
# #
# relativistic = .true. (.false.) for relativistic (non-relativistic)#
# computations of macro particle trajectories #
# #
# moving_ions = .true. (or .false.) to account (or not) for mobile #
# ions #
# #
# Delta_x, Delta_y = spatial cells dimension in units of (Delta) #
# #
# indx, indy = spatial dimensions of the simulation box #
# along the x and y axis. Pay attention : #
# The number of gridpoints Nx and Ny #
# along x and y axis must be a power of 2 due #
# to the FFT algorithm. We impose so : #
# Nx = 2^indx and Ny = 2^indy where #
# indx = 1 + floor(ln(Lx/Delta_x)/ln(2)) and #
# indy = 1 + floor(ln(Ly/Delta_y)/ln(2)) #
# such that Lx = 2^indx and Ly = 2^indy #
# For example, with Delta = 1. : #
# Lx = 2, 4, 16 , 32, 64, 128, 256, 512, 1024, #
# 2048, 4096, 8192, 16384, 32768, 65536, #
# 131072, ... with #
# indx = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, #
# 13, 14, 15, 16, 17, ... respectively #
# #
# t_end = time at end of simulation, in units of #
# (/ omega_p) or (/ omega_0) depending on units #
# #
# units = ES for ElectroStatic units #
# (space unit = vTe / omega_p = Debye length #
# time unit = 1 / omega_p = inverse of plasma #
# Langmuir frequency) #
# or EM for ElectroMagnetic units #
# (space unit = c / omega_p = plasma skin depth #
# time unit = 1 / omega_p = inverse of plasma #
# Langmuir frequency) #
# or LPI for Laser Plasma Interaction units #
# (space unit = c / omega_0 #
# = 1 / laser pulse angular wavenumber #
# (time unit = 1 / omega_0 #
# = 1 / laser pulse angular frequency) #
# where vTe = (kB Te / me)^1/2 is the non #
# relativistic thermal velocity), #
# omega_p = (4 Pi ne e^2 / me)^1/2 the angular #
# plasma frequency) #
# and omega_0 the laser pulse angular frequency #
# with Te the electron temperature #
# ne the real electron density #
# me the real electron mass #
# -e the real electron charge and #
# kB the Boltzmann constant #
# #
#######################################################################
#
#N_threads 4
#
#FTFD 0
#
#cfl 0.95
#
#relativistic .true.
#
#moving_ions .false.
#
#laserpulse .false.
#
#plasma .true.
#
#Delta_x 1.0
#
#Delta_y 1.0
#
#indx 11
#
#indy 2
#
#t_end 3000.
#
#units EM
#
#######################################################################
# Plasma properties (useful only if plasma = 1) : #
#######################################################################
# #
# atomic_weight = plasma atomic weight A (g/mol) #
# #
# atomic_number = plasma atomic number Z () #
# #
# ionization_state = plasma ionization state Z* () #
# #
# ax/ay = smoothed particle size in x/y direction #
# #
# den_me = Number of electrons per macro electron #
# #
# Npic = Number of macro electrons per spatial cell #
# #
# param = vTe / c with c the velocity of light in vacuum #
# #
# ptx, pty, ptz = root mean square electron momentum (relativistic=1)#
# or velocity (relativistic = 0) components in the x,#
# components in the x, y and z directions resp. #
# in units of ( me ) Delta omega_p #
# Be careful, since Te = (Te,x + Te,y + Te,z) / 3, #
# vTe = sqrt( (vtx^2 + vty^2 + vtz^2) / 3 ) #
# must be respected #
# #
# px0, py0, pz0 = mean plasma momentum (relativistic=1) or velocity #
# (relativistic = 0) components in the x, y and z #
# directions resp. #
# #
#######################################################################
#
#atomic_weight 26.9815
#
#atomic_number 13.
#
#ionization_state 3.
#
##ax 0.
#ax .912871
#
##ay 0.
#ay .912871
#
#den_me 1
#
#Npic 256
#
#param 1.
#
#ptx 1.
#
#pty 1.
#
#ptz 1.
#
#px0 0.
#
#py0 0.
#
#pz0 0.
#
#######################################################################
# Laser pulse properties (useful only if laser = 1) : #
#######################################################################
# #
# propdir = 1 (x) or 2 (y) = main propagation direction #
# (MPI parallelization is done along the y-direction) #
# #
# polardir = polarisation parameter such that -1. <= polardir < 1. : #
# _ polardir = 0. corresponds to a linear polarization #
# along : _ z (propdir = 1) #
# _ x (propdir = 2) #
# _ polardir = - 1. correspond to a linear polarization #
# along : _ y (propdir = 1) #
# _ z (propdir = 2) #
# _ polardir = +/- 0.5 correspond to a circular polarization #
# _ polardir = else correspond to elliptic polarizations #
# polardir > 0 -> clockwise #
# polardir < 0 -> counterclockwise #
# #
# shape = 1 (Gaussian wave shape) or 0 (Plane wave) #
# #
# theta = angle of incidence relative to the 'propdir'-axis #
# assuming that shape = 1 (for a plane wave, rotate the #
# plasma!!!) #
# Be careful : theta must be between -45. and 45. so #
# #
# tlaunch = time at which the laser pulse starts to be launched #
# in units of omega^-1 #
# #
# FWHMt = time duration Full Width at Half Maximum of the laser #
# pulse envelop in units of omega^-1 #
# #
# xfocal/yfocal = focal point coordinates along x and y in units of #
# (Delta) for Gaussian waves #
# #
# FWHMs = laser pulse spot size Full Width at Half Maximum at the #
# focal point in units of (Delta) for Gaussian waves #
# (the laser pulse waist at focal point : #
# W0 = FWHMx / sqrt(4ln2) ) #
# #
# omega0 = Laser pulse angular frequency in units of (omega) #
# -> omega0 = 1. is imposed if units = LPI #
# #
# a0 = Maximum amplitude of the laser pulse potential vector #
# in units of (me Delta omega / e) #
# -> E0 = omega0 * a0 is the maximum amplitude of the #
# laser pulse electric/magnetic field #
# #
#######################################################################
#
#propdir 1
#
#theta 0.
#
#polardir 0.
#
#shape 0
#
#tlaunch 0.
#
#FWHMt 1000.
#
#xfocal 64.
#
#yfocal 64.
#
#FWHMs 10.
#
#omega0 0.5
#
#a0 1.00
#
#######################################################################
# Boundary conditions #
#######################################################################
# #
# BCx = 1 (periodic) or 0 (absorbing) #
# condition along the x-axis for both particles and fields #
# #
# BCy = 1 (periodic) or 0 (absorbing) #
# condition along the y-axis for both particles and fields #
# #
# For absorbing cond., the Perfectly Matched Layer (PML) technique #
# is used for the E-M fields (Berenger, 1996) : #
# _ PML_scheme = 0 : Yee scheme #
# PML_scheme = 1 : Implicit scheme #
# _ L_PML is the PML layer thickness in units #
# of Delta #
# _ n_cond_PML is the integer n such that the PML#
# electrical and magnetic conductivity read : #
# sigma(x) = sigma_m * (|x-x_I|/L_PML)^n #
# where x_I is the position of the interface #
# between the PML and the effective sim. box. #
# 3 < n_cond_PML < 4 is optimal #
# #
#######################################################################
#
#BCx 1
#
#BCy 1
#
#PML_scheme 1
#
#L_PML 10.
#
#n_cond_PML 3.2
#
#######################################################################
# Diagnostics : #
#######################################################################
# #
# Delta_t_diag = results are saved in text files in results/ #
# every Delta_t_diag in unit of (omega_p or omega0)^-1 #
# #
# #
#######################################################################
#
#Delta_t_diag 10.
#######################################################################
# density profile : #
#######################################################################
# #
# density_x/y, write down expressions for density along x/y #
# directions. The names of coordinate of x is x1 #
# and y is x2. many math functions and branching #
# function are supported. #
# #
#######################################################################
#
#density_x 1
#density_y 1