add data folder

data/runs/00_toy_case/inputs.txt

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+geometry.dims = 3
+geometry.prob_lo = 0 0 0 
+geometry.prob_hi = 1 1 1
+amr.max_level = 0
+amr.n_cell = 8 8 8 
+max_step = 1

data/runs/01_plasma_waves/inputs.txt

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+# Maximum number of time steps
+max_step = 80
+
+# number of grid points
+amr.n_cell =  128
+
+# Maximum allowable size of each subdomain in the problem domain;
+#    this is used to decompose the domain for parallel calculations.
+amr.max_grid_size = 64
+
+# Maximum level in hierarchy (for now must be 0, i.e., one level in total)
+amr.max_level = 0
+
+# Geometry
+geometry.dims = 1
+geometry.prob_lo     = -20.e-6    # physical domain
+geometry.prob_hi     =  20.e-6
+
+# Boundary condition
+boundary.field_lo = periodic
+boundary.field_hi = periodic
+
+warpx.serialize_initial_conditions = 1
+
+# Verbosity
+warpx.verbose = 1
+
+# Algorithms
+algo.field_gathering = energy-conserving
+algo.current_deposition = esirkepov
+warpx.use_filter = 0
+
+# Order of particle shape factors
+algo.particle_shape = 1
+
+# CFL
+warpx.cfl = 0.8
+
+# Parameters for the plasma wave
+my_constants.epsilon = 0.01
+my_constants.n0 = 2.e24  # electron and positron densities, #/m^3
+my_constants.wp = sqrt(2.*n0*q_e**2/(epsilon0*m_e))  # plasma frequency
+my_constants.kp = wp/clight  # plasma wavenumber
+my_constants.k = 2.*pi/20.e-6  # perturbation wavenumber
+# Note: kp is calculated in SI for a density of 4e24 (i.e. 2e24 electrons + 2e24 positrons)
+# k is calculated so as to have 2 periods within the 40e-6 wide box.
+
+# Particles
+particles.species_names = electrons positrons
+
+electrons.charge = -q_e
+electrons.mass = m_e
+electrons.injection_style = "NUniformPerCell"
+electrons.num_particles_per_cell_each_dim = 2
+electrons.zmin = -20.e-6
+electrons.zmax = 20.e-6
+
+electrons.profile = constant
+electrons.density = n0   # number of electrons per m^3
+electrons.momentum_distribution_type = parse_momentum_function
+electrons.momentum_function_ux(x,y,z) = "epsilon * k/kp * sin(k*x) * cos(k*y) * cos(k*z)"
+electrons.momentum_function_uy(x,y,z) = "epsilon * k/kp * cos(k*x) * sin(k*y) * cos(k*z)"
+electrons.momentum_function_uz(x,y,z) = "epsilon * k/kp * cos(k*x) * cos(k*y) * sin(k*z)"
+
+positrons.charge = q_e
+positrons.mass = m_e
+positrons.injection_style = "NUniformPerCell"
+positrons.num_particles_per_cell_each_dim = 2
+positrons.zmin = -20.e-6
+positrons.zmax = 20.e-6
+
+positrons.profile = constant
+positrons.density = n0   # number of positrons per m^3
+positrons.momentum_distribution_type = parse_momentum_function
+positrons.momentum_function_ux(x,y,z) = "-epsilon * k/kp * sin(k*x) * cos(k*y) * cos(k*z)"
+positrons.momentum_function_uy(x,y,z) = "-epsilon * k/kp * cos(k*x) * sin(k*y) * cos(k*z)"
+positrons.momentum_function_uz(x,y,z) = "-epsilon * k/kp * cos(k*x) * cos(k*y) * sin(k*z)"
+
+# Diagnostics
+diagnostics.diags_names = diag1 openpmd
+diag1.intervals = 40
+diag1.diag_type = Full
+diag1.electrons.variables = z w ux uy uz
+diag1.positrons.variables = z w ux uy uz
+
+openpmd.intervals = 40
+openpmd.diag_type = Full
+openpmd.format = openpmd