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params_test.txt
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params_test.txt
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# GRAMReX BinaryBH parameter file for GitHub Action regression test
#################################################
# Filesystem parameters
verbosity = 1
output_path = .
# amr.check_file = chk
# amr.plot_file = plt
# amr.restart = chk00000
# amr.file_name_digits = 5
amr.check_int = 0
checkpoint_interval = 0
amr.plot_int = 8
plot_interval = 8
#################################################
# BH Initial Data parameters
massA = 0.5
massB = 0.5
offsetA = -2 0 0
offsetB = 2 0 0
momentumA = 0.0 -0.1 0.0
momentumB = 0.0 0.1 0.0
#################################################
# Grid parameters
N_full = 32
L_full = 8
max_level = 0 # There are (max_level+1) levels
regrid_interval = 0 # no point regridding with no AMR
max_grid_size = 16
block_factor = 16
# tag_buffer_size = 3
# num_ghosts = 3
# center = 8 8 8 # defaults to center of the grid
#################################################
# Boundary Conditions parameters
# Periodic directions - 0 = false, 1 = true
isPeriodic = 0 0 0
# if not periodic, then specify the boundary type
# 0 = static, 1 = sommerfeld, 2 = reflective
# (see BoundaryConditions.hpp for details)
hi_boundary = 1 1 1
lo_boundary = 1 1 2
# if reflective boundaries selected, must set
# parity of all vars (in order given by UserVariables.hpp)
# 0 = even
# 1,2,3 = odd x, y, z
# 7 = odd xyz
vars_parity = 0 0 4 6 0 5 0 0 0 4 6 0 5 0 0 1 2 3 0 1 2 3 1 2 3
#chi and hij K and Aij Theta and Gamma Gauge
# if sommerfeld boundaries selected, must select
# non zero asymptotic values
num_nonzero_asymptotic_vars = 5
nonzero_asymptotic_vars = chi h11 h22 h33 lapse
nonzero_asymptotic_values = 1.0 1.0 1.0 1.0 1.0
# if you are using extrapolating BC:
# extrapolation_order = 1
# num_extrapolating_vars = -1
# extrapolating_vars =
#################################################
# Evolution parameters
# dt will be dx*dt_multiplier on each grid level
dt_multiplier = 0.25
# stop_time = 1.0
max_steps = 8
# max_spatial_derivative_order = 4 # only 4 implemented at the moment
# nan_check = true
# Lapse evolution
lapse_advec_coeff = 1.0
lapse_coeff = 2.0
lapse_power = 1.0
# Shift evolution
shift_advec_coeff = 1.0
shift_Gamma_coeff = 0.75
eta = 1.0
# CCZ4 parameters
formulation = 0 # 1 for BSSN, 0 for CCZ4
kappa1 = 0.1
kappa2 = 0.
kappa3 = 1.
covariantZ4 = 1 # 0: keep kappa1; 1 [default]: replace kappa1 -> kappa1/lapse
# coefficient for KO numerical dissipation
sigma = 0.5
# min_chi = 1.e-4
# min_lapse = 1.e-4
#################################################
# Puncture Tracking parameters
track_punctures = 1
puncture_tracking_level = 0