Nci corrector in gather buffer bugfix

[atmyers]

This applies the nci corrector to the coarse level fields when using the field gather buffer.

Before this fix:

After this fix:

Script to reproduce:

stop_time = 5.e-12
amr.n_cell = 32 640

amr.max_grid_size = 1280
amr.blocking_factor = 8

warpx.n_current_deposition_buffer = 32
warpx.n_field_gather_buffer = 32

# Maximum level in hierarchy (for now must be 0, i.e., one level in total)
amr.max_level = 1
amr.plot_file = plotfiles/plt
amr.plot_int = 100

# Geometry
geometry.coord_sys   = 0                  # 0: Cartesian
geometry.is_periodic = 0 0      # Is periodic?
# In the lab frame: z between -1300um and -1000um
geometry.prob_lo     = -64.e-6  -128.e-6
geometry.prob_hi     =  64.e-6     0.
warpx.fine_tag_lo    = -30.e-6  -128.e-6
warpx.fine_tag_hi    =  30.e-6     0.e-6

# Verbosity
warpx.verbose = 1
warpx.plot_raw_fields = 0
warpx.do_dive_cleaning = 0
warpx.use_filter = 1
warpx.do_pml = 1
warpx.do_subcycling = 0
warpx.refine_plasma = 0
algo.maxwell_fdtd_solver = yee
amrex.v = 1
warpx.plot_raw_fields = 1 
warpx.plot_raw_fields_guards = 1 
warpx.plot_finepatch = 1 
warpx.plot_crsepatch = 1
#warpx.plot_rho = 1
#warpx.plot_F = 1

# Boost
warpx.gamma_boost = 10.0
warpx.boost_direction = z
warpx.do_boosted_frame_diagnostic = 0
warpx.num_snapshots_lab = 20
warpx.dt_snapshots_lab = 2.5e-11

# Algorithms
algo.current_deposition = 0
algo.charge_deposition = 0
algo.field_gathering = 0
algo.particle_pusher = 0

# CFL
warpx.cfl = 1.0
particles.nspecies = 6
#particles.species_names = plasma_e plasma_p
particles.species_names = driver plasma_e beam plasma_p driverback beamback
#particles.deposit_on_main_grid = driver plasma_e plasma_p driverback beamback
particles.use_fdtd_nci_corr = 1
particles.rigid_injected_species = driver beam

# interpolation
interpolation.nox = 1
interpolation.noy = 1
interpolation.noz = 1

constants.use_my_constants = 1
constants.constant_names  = lramp  pi                 dens
constants.constant_values = 2.e-3 3.141592653589793   1e+23

driver.charge = -q_e
driver.mass = m_e
driver.injection_style = "gaussian_beam"
driver.x_rms = 4.e-6
driver.y_rms = 4.e-6
driver.z_rms = 8.e-6
driver.x_m = 0.
driver.y_m = 0.
driver.z_m = -20.e-6
driver.npart = 5000
driver.q_tot = -4e-11
driver.profile = "constant"
driver.density = 8.e23                   # number of particles per m^3
driver.momentum_distribution_type = "gaussian"
driver.ux_m = 0.0
driver.uy_m = 0.0
driver.uz_m = 200000.
driver.ux_th = 2.
driver.uy_th = 2.
driver.uz_th = 0.
driver.zinject_plane = 0.
driver.rigid_advance = true
driver.projected = true
driver.focused = false

# This species is the back-propagating counterpart of the driver species
# used to reduce the effect of spurious fields at injection.
# it mostly has the same parameters, with the following differences:
# - opposite charge
# - opposite q_tot
# - flag do_backward_propagation is set to true (default is false)
driverback.charge = q_e
driverback.mass = m_e
driverback.injection_style = "gaussian_beam"
driverback.x_rms = 4.e-6
driverback.y_rms = 4.e-6
driverback.z_rms = 8.e-6
driverback.x_m = 0.
driverback.y_m = 0.
driverback.z_m = -20.e-6
driverback.npart = 5000
driverback.q_tot = 4.e-11
driverback.profile = "constant"
driverback.density = 8.e23                   # number of particles per m^3
driverback.momentum_distribution_type = "gaussian"
driverback.ux_m = 0.0
driverback.uy_m = 0.0
driverback.uz_m = 200000.
driverback.ux_th = 2.
driverback.uy_th = 2.
driverback.uz_th = 0.
driverback.zinject_plane = 0.
driverback.rigid_advance = true
driverback.projected = true
driverback.focused = false
driverback.do_backward_propagation = true

beam.charge = -q_e
beam.mass = m_e
beam.injection_style = "gaussian_beam"
beam.x_rms = 2.e-6
beam.y_rms = 2.e-6
beam.z_rms = 4.e-6
beam.x_m = 0.
beam.y_m = 0.
beam.z_m = -98.e-6
beam.npart = 5000
beam.q_tot = -6e-12
beam.profile = "constant"
beam.density = 8.e23                   # number of particles per m^3
beam.momentum_distribution_type = "gaussian"
beam.ux_m = 0.0
beam.uy_m = 0.0
beam.uz_m = 2000.
beam.ux_th = 2.
beam.uy_th = 2.
beam.uz_th = 0.
beam.zinject_plane = 0.e-6
beam.rigid_advance = true
beam.projected = true
beam.focused = false

# This species is the back-propagating counterpart of the beam species
# used to reduce the effect of spurious fields at injection.
# it mostly has the same parameters, with the following differences:
# - opposite charge
# - opposite q_tot
# - flag do_backward_propagation is set to true (default is false)
beamback.charge = q_e
beamback.mass = m_e
beamback.injection_style = "gaussian_beam"
beamback.x_rms = 2.e-6
beamback.y_rms = 2.e-6
beamback.z_rms = 4.e-6
beamback.x_m = 0.
beamback.y_m = 0.
beamback.z_m = -98.e-6
beamback.npart = 5000
beamback.q_tot = 6e-12
beamback.profile = "constant"
beamback.density = 8.e23                   # number of particles per m^3
beamback.momentum_distribution_type = "gaussian"
beamback.ux_m = 0.0
beamback.uy_m = 0.0
beamback.uz_m = 2000.
beamback.ux_th = 2.
beamback.uy_th = 2.
beamback.uz_th = 0.
beamback.zinject_plane = 0.
beamback.rigid_advance = true
beamback.projected = true
beamback.focused = false
beamback.do_backward_propagation = true

plasma_e.charge = -q_e
plasma_e.mass = m_e
plasma_e.injection_style = "NUniformPerCell"
plasma_e.zmin = 0.e-6
plasma_e.zmax = 10.
plasma_e.xmin = -50.e-6
plasma_e.xmax =  50.e-6
plasma_e.profile = parse_density_function
plasma_e.density_function(x,y,z) = "(z<lramp)*0.5*(1-cos(pi*z/lramp))*dens+(z>lramp)*dens"
# plasma_e.profile = "constant"
# plasma_e.density = 1.e23
plasma_e.num_particles_per_cell_each_dim = 2 2
plasma_e.momentum_distribution_type = "constant"
plasma_e.ux = 0.0
plasma_e.uy = 0.0
plasma_e.uz = 0.0

plasma_p.charge = q_e
plasma_p.mass = m_p
plasma_p.injection_style = "NUniformPerCell"
plasma_p.zmin = 0.e-6
plasma_p.zmax = 10.
plasma_p.profile = parse_density_function
plasma_p.density_function(x,y,z) = "(z<lramp)*0.5*(1-cos(pi*z/lramp))*dens+(z>lramp)*dens"
# plasma_p.profile = "constant"
# plasma_p.density = 1.e23
plasma_p.xmin = -50.e-6
plasma_p.xmax =  50.e-6
plasma_p.num_particles_per_cell_each_dim = 2 2
plasma_p.momentum_distribution_type = "constant"
plasma_p.ux = 0.0
plasma_p.uy = 0.0
plasma_p.uz = 0.0

# Moving window
warpx.do_moving_window = 1
warpx.moving_window_dir = z
warpx.moving_window_v = 1. # in units of the speed of light

# Particle Injection
warpx.do_plasma_injection = 1
warpx.num_injected_species = 2
warpx.injected_plasma_species = 1 3 

[RemiLehe]

Great! Thanks for these changes!