# Define the system of units to use internally. 
InternalUnitSystem:
  UnitMass_in_cgs:     1.989e43      # 10^10 M_sun in grams
  UnitLength_in_cgs:   3.085678e24   # Mpc in centimeters
  UnitVelocity_in_cgs: 1e5           # km/s in centimeters per second
  UnitCurrent_in_cgs:  1             # Amperes
  UnitTemp_in_cgs:     1             # Kelvin

# Cosmological parameters
Cosmology:
  h:              0.6777        # Reduced Hubble constant
  a_begin:        0.04          # Initial scale-factor of the simulation
  a_end:          1.0           # Final scale factor of the simulation
  Omega_m:        0.307         # Matter density parameter
  Omega_lambda:   0.693         # Dark-energy density parameter
  Omega_b:        0.0455        # Baryon density parameter

SPH:
  resolution_eta:      1.234
  CFL_condition:       0.1
  minimal_temperature: 10.
  
COLIBREChemistry:           # Solar abundances
  init_abundance_metal:     0.0133714
  init_abundance_Hydrogen:  0.73738788833
  init_abundance_Helium:    0.24924186942
  init_abundance_Carbon:    0.0023647215
  init_abundance_Nitrogen:  0.0006928991
  init_abundance_Oxygen:    0.00573271036
  init_abundance_Neon:      0.00125649278
  init_abundance_Magnesium: 0.00070797838
  init_abundance_Silicon:   0.00066495154
  init_abundance_Iron:      0.00129199252
  init_abundance_Europium:  0.0    
  metal_diffusion_constant:         0.   # No diffusion
  metal_diffusion_timestep_mult:    1e10 # No time-step constraint

COLIBRECooling:
  dir_name:                UV_dust1_CR1_G1_shield1.hdf5 # Location of the cooling tables
  H_reion_z:               11.5
  H_reion_eV_p_H:          2.0
  He_reion_z_centre:       3.5
  He_reion_z_sigma:        0.5
  He_reion_eV_p_H:         2.0
  delta_logTEOS_subgrid_properties: 0.2
  rapid_cooling_threshold:          0.333333