# Define some meta-data about the simulation MetaData: run_name: IdealizedAGNJet # Define the system of units to use internally. InternalUnitSystem: UnitMass_in_cgs: 1.98848e43 # 10^10 M_sun in grams UnitLength_in_cgs: 3.08566e21 # 1 kpc in UnitVelocity_in_cgs: 1e5 # 1 km/s in cm/s UnitCurrent_in_cgs: 1 # Amperes UnitTemp_in_cgs: 1 # Kelvin # Parameters governing the time integration (Set dt_min and dt_max to the same value for a fixed time-step run.) TimeIntegration: time_begin: 0. # The starting time of the simulation (in internal units). time_end: 0.10228 # The end time of the simulation (in internal units). dt_min: 1e-14 # The minimal time-step size of the simulation (in internal units). dt_max: 1e-2 # 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 if non-cosmological time-integration (in internal units) delta_time: 0.005114 # Time difference between consecutive outputs (in internal units). 5 Myr here Restarts: delta_hours: 0.5 Scheduler: max_top_level_cells: 12 # Parameters governing the conserved quantities statistics Statistics: delta_time: 1.0228e-4 # Time between statistics output time_first: 0 # (Optional) Time of the first stats output if non-cosmological time-integration (in internal units) # Parameters related to the initial conditions InitialConditions: file_name: ICs.hdf5 # The file to read periodic: 1 # Are we running with periodic ICs? # 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: 0.2 # Courant-Friedrich-Levy condition for time integration. h_min_ratio: 0.01 # Minimal smoothing in units of softening. h_max: 20 # Increase if many particles are at the limit minimal_temperature: 100. # Forcing to implement idealized AGN jet launching BoundaryParticles: boundary_particle_max_id: 10000000 # Particles with ID <= boundary_particle_max_id are treated as boundary particles. enable_fixed_position: 1 # Whether or not boundary particles are fixed in place. jet_power: 1.56e8 # 1e45 erg/s (in internal units). Make sure it is consistent with the ICs script jet_duration: 0.10228 # 100 Myr (in internal units). Make sure it is consistent with the ICs script jet_velocity: 7.5e3 # 7.5e3 km/s (in internal units). Make sure it is consistent with the ICs script