# ------------------  INPUTS TO MAIN PROGRAM  -------------------
max_step = 10
stop_time =  0.1

# PROBLEM SIZE & GEOMETRY
geometry.is_periodic = 0  1  1 
geometry.coord_sys   = 0  # 0 => cart, 1 => RZ  2=>spherical
geometry.prob_lo     =  0      0        0
geometry.prob_hi     =  1      0.03125  0.03125
amr.n_cell           =  256     8       8

# >>>>>>>>>>>>>  BC FLAGS <<<<<<<<<<<<<<<<
# 0 = Interior           3 = Symmetry
# 1 = Inflow             4 = SlipWall
# 2 = Outflow            5 = NoSlipWall
# >>>>>>>>>>>>>  BC FLAGS <<<<<<<<<<<<<<<<
castro.lo_bc       =  2   0   0 
castro.hi_bc       =  2   0   0 

# WHICH PHYSICS
castro.do_hydro = 1
castro.do_react = 0
castro.ppm_type = 0

castro.use_flattening = 0

castro.small_temp = 1.e-20
castro.small_dens = 1.e-6
castro.small_pres = 1.e-10

# TIME STEP CONTROL
castro.cfl            = 0.9     # cfl number for hyperbolic system
castro.init_shrink    = 0.1     # scale back initial timestep
castro.change_max     = 1.05    # scale back initial timestep

# DIAGNOSTICS & VERBOSITY
castro.sum_interval   = 1       # timesteps between computing mass
castro.v              = 1       # verbosity in Castro.cpp
amr.v                 = 1       # verbosity in Amr.cpp
#amr.grid_log         = grdlog  # name of grid logging file

# REFINEMENT / REGRIDDING
amr.max_level       = 0       # maximum level number allowed
amr.ref_ratio       = 2 2 2 2 # refinement ratio
amr.regrid_int      = 2 2 2 2 # how often to regrid
amr.blocking_factor = 8       # block factor in grid generation
amr.max_grid_size   = 64
amr.n_error_buf     = 2 2 2 2 # number of buffer cells in error est

amr.refinement_indicators = denerr dengrad presserr pressgrad

amr.refine.denerr.value_greater = 3
amr.refine.denerr.field_name = density
amr.refine.denerr.max_level = 3

amr.refine.dengrad.gradient = 0.01
amr.refine.dengrad.field_name = density
amr.refine.dengrad.max_level = 3

amr.refine.presserr.value_greater = 3
amr.refine.presserr.field_name = pressure
amr.refine.presserr.max_level = 3

amr.refine.pressgrad.gradient = 0.01
amr.refine.pressgrad.field_name = pressure
amr.refine.pressgrad.max_level = 3

# CHECKPOINT FILES
amr.check_file      = bw_x_chk  # root name of checkpoint file
amr.check_int       = 10         # number of timesteps between checkpoints

# PLOTFILES
amr.plot_files_output = 0
amr.checkpoint_files_output = 0

amr.plot_file       = bw_x_plt  # root name of plotfile
amr.plot_int        = 100       # number of timesteps between plotfiles
amr.derive_plot_vars = density x_velocity y_velocity z_velocity eden Temp pressure B_x B_y B_z # these variables appear in the plotfile

# PROBLEM PARAMETERS
problem.p_l = 1.0
problem.u_l = 0.0
problem.rho_l = 1.0
problem.B_z_l = 0.0
problem.B_x_l = 0.75
problem.B_y_l = 1.0

problem.p_r = 0.1
problem.u_r = 0.0
problem.rho_r = 0.125
problem.B_z_r = 0.0
problem.B_y_r = -1.0
problem.B_x_r = 0.75

problem.idir = 1
problem.frac = 0.5

# EOS
eos.eos_assume_neutral = 1
eos.eos_gamma = 2