MetaData: run_name: RT_advection-1D # Define the system of units to use internally. InternalUnitSystem: UnitMass_in_cgs: 1. UnitLength_in_cgs: 1. UnitVelocity_in_cgs: 1. UnitCurrent_in_cgs: 1. UnitTemp_in_cgs: 1. # Parameters governing the time integration TimeIntegration: max_nr_rt_subcycles: 1 time_begin: 0. # The starting time of the simulation (in internal units). time_end: 4.e-1 # The end time of the simulation (in internal units). dt_min: 1.e-8 # The minimal time-step size of the simulation (in internal units). dt_max: 1.e-02 # The maximal time-step size of the simulation (in internal units). # Parameters governing the snapshots Snapshots: basename: output # Common part of the name of output files time_first: 0. # Time of the first output (in internal units) delta_time: 4.e-2 # Parameters governing the conserved quantities statistics Statistics: time_first: 0. delta_time: 4.e-2 # Time between statistics output # Parameters for the hydrodynamics scheme SPH: resolution_eta: 1.2348 # Target smoothing length in units of the mean inter-particle separation (1.2348 == 48Ngbs with the cubic spline kernel). CFL_condition: 0.6 # Courant-Friedrich-Levy condition for time integration. minimal_temperature: 10. # Kelvin # Parameters related to the initial conditions InitialConditions: file_name: ./advection_1D.hdf5 # The file to read periodic: 1 # periodic ICs Restarts: delta_hours: 72 # (Optional) decimal hours between dumps of restart files. GEARRT: f_reduce_c: 1. # reduce the speed of light for the RT solver by multiplying c with this factor f_limit_cooling_time: 0.0 # (Optional) multiply the cooling time by this factor when estimating maximal next time step. Set to 0.0 to turn computation of cooling time off. CFL_condition: 0.4 # CFL condition for RT, independent of hydro photon_groups_Hz: [0., 1., 2.] # Lower photon frequency group bin edges in Hz. Needs to have exactly N elements, where N is the configured number of bins --with-RT=GEAR_N stellar_luminosity_model: const # Which model to use to determine the stellar luminosities. const_stellar_luminosities_LSol: [0., 0., 0.] # (Conditional) constant star luminosities for each photon frequency group to use if stellar_luminosity_model:const is set, in units of Solar Luminosity. hydrogen_mass_fraction: 0.76 # total hydrogen (H + H+) mass fraction in the metal-free portion of the gas stellar_spectrum_type: 0 # Which radiation spectrum to use. 0: constant from 0 until some max frequency set by stellar_spectrum_const_max_frequency_Hz. 1: blackbody spectrum. stellar_spectrum_const_max_frequency_Hz: 1.e17 # (Conditional) if stellar_spectrum_type=0, use this maximal frequency for the constant spectrum. skip_thermochemistry: 1 # ignore thermochemistry. set_initial_ionization_mass_fractions: 1 # (Optional) manually overwrite initial mass fraction of each species (using the values you set below) mass_fraction_HI: 0.76 # (Conditional) If overwrite_initial_ionization_fractions=1, needed to set initial HI mass fractions to this value mass_fraction_HII: 0. # (Conditional) If overwrite_initial_ionization_fractions=1, needed to set initial HII mass fractions to this value mass_fraction_HeI: 0.24 # (Conditional) If overwrite_initial_ionization_fractions=1, needed to set initial HeI mass fractions to this value mass_fraction_HeII: 0. # (Conditional) If overwrite_initial_ionization_fractions=1, needed to set initial HeII mass fractions to this value mass_fraction_HeIII: 0. # (Conditional) If overwrite_initial_ionization_fractions=1, needed to set initial HeIII mass fractions to this value SPHM1RT: cred: 2.99792458e10 # reduce the speed of light in the code unit CFL_condition: 0.1 # CFL condition for RT, independent of hydro photon_groups_Hz: [1., 2.] # Photon frequency group bin edges in Hz. Needs to be 1 less than the number of groups (N) requested during the configuration (--with-RT=SPHM1RT_N). use_const_emission_rates: 1 # (Optional) use constant emission rates for stars as defined with star_emission_rates parameter star_emission_rates: [1e-32, 1e-32, 1e-32] # (Optional) constant star emission rates for each photon frequency group to use if use_constant_emission_rates is set. stellar_spectrum_type: 0 # Which radiation spectrum to use. 0: constant from 0 until some max frequency set by stellar_spectrum_const_max_frequency_Hz. 1: blackbody spectrum. stellar_spectrum_const_max_frequency_Hz: 1.e17 # (Conditional) if stellar_spectrum_type=0, use this maximal frequency for the constant spectrum. skip_thermochemistry: 1 # (Optional) skip the thermochemistry. This is intended only for debugging and testing the radiation transport, as it breaks the purpose of RT. init_mass_fraction_metal: 0. # (Optional) Inital mass fraction of particle mass in *all* metals (if it is set, the initial fraction will be over-written.) init_mass_fraction_Hydrogen: 0.752 # (Conditional) (if init_mass_fraction_metal != -1.0f) Inital mass fraction of particle mass in Hydrogen init_mass_fraction_Helium: 0.248 # (Conditional) (if init_mass_fraction_metal != -1.0f) Inital mass fraction of particle mass in Helium useabundances: 0 # (Optional) use the species abundances below, instead of reading from initial condition init_species_abundance_e: 0.0 # (Conditional) (if useabundances==1) free electron abundances (in unit hydrogen number density:nH) init_species_abundance_HI: 1.0 # (Conditional) (if useabundances==1) HI abundances (in unit hydrogen number density:nH) init_species_abundance_HII: 0.0 # (Conditional) (if useabundances==1) HII abundances (in unit hydrogen number density:nH) init_species_abundance_HeI: 0.08244680851 # (Conditional) (if useabundances==1) HeI abundances (in unit hydrogen number density:nH) init_species_abundance_HeII: 0.0 # (Conditional) (if useabundances==1) HeII abundances (in unit hydrogen number density:nH) init_species_abundance_HeIII: 0.0 # (Conditional) (if useabundances==1) HeIII abundances (in unit hydrogen number density:nH)