# ------------------  INPUTS TO MAIN PROGRAM  -------------------
max_step = 9900000
stop_time = 6.e-5

# PROBLEM SIZE & GEOMETRY
geometry.is_periodic = 0       0
geometry.coord_sys   = 0                  # 0 => cart, 1 => RZ  2=>spherical
geometry.prob_lo     = 0       0
geometry.prob_hi     = 2.56e3
amr.n_cell           = 128

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

castro.xl_ext_bc_type = 1
castro.hse_interp_temp = 1
castro.hse_reflect_vels = 1

castro.fill_ambient_bc = 1
castro.ambient_fill_dir = 0
castro.ambient_outflow_vel = 1

# WHICH PHYSICS
castro.do_hydro = 1
castro.do_react = 0
castro.do_rotation = 0
castro.do_grav = 1
castro.do_sponge = 0

castro.small_temp = 1.e6
castro.small_dens = 1.e-5

castro.ppm_type = 1
castro.grav_source_type = 2

gravity.gravity_type = ConstantGrav
gravity.const_grav   = -1.5e14

castro.diffuse_temp = 0


# TIME STEP CONTROL
castro.cfl            = 0.8     # cfl number for hyperbolic system
castro.init_shrink    = 1.0     # scale back initial timestep
castro.change_max     = 1.1     # max time step growth
castro.use_retry      = 1
castro.max_subcycles = 16
castro.fixed_dt = 3.75e-8

# DIAGNOSTICS & VERBOSITY
castro.sum_interval   = 1       # timesteps between computing mass
castro.v              = 1       # verbosity in Castro.cpp
amr.v                 = 1       # verbosity in Amr.cpp

# REFINEMENT / REGRIDDING
amr.max_level       = 0       # maximum level number allowed
amr.ref_ratio       = 4 2 2 2 # refinement ratio
amr.regrid_int      = 2 2 2 2 # how often to regrid
amr.blocking_factor = 16       # block factor in grid generation
amr.max_grid_size   = 128
amr.n_error_buf     = 2 2 2 2 # number of buffer cells in error est

# CHECKPOINT FILES
amr.check_file      = flame_wave_chk        # root name of checkpoint file
amr.check_int       = 250000        # number of timesteps between checkpoints

# PLOTFILES
amr.plot_file        = flame_wave_128_plt        # root name of plotfile
amr.plot_per         = 1.e-5      # number of seconds between plotfiles
amr.derive_plot_vars = ALL

# PROBLEM PARAMETERS
problem.dens_base = 3.43e6

problem.T_star = 1.e8
problem.T_hi = 2.e8
problem.T_lo   = 8.e6

problem.H_star = 1700.e0
problem.atm_delta  = 50.0

problem.fuel1_name = "helium-4"
problem.fuel1_frac = 1.0e0

problem.ash1_name  = "nickel-56"
problem.ash1_frac = 1.0e0

problem.low_density_cutoff = 1.e-4

problem.cutoff_density = 2.5e4

problem.X_min = 1.e-2