# Define the system of units to use internally. InternalUnitSystem: UnitMass_in_cgs: 1.9891E43 # 10^10 solar masses UnitLength_in_cgs: 3.08567758E21 # 1 kpc UnitVelocity_in_cgs: 1E5 # km/s UnitCurrent_in_cgs: 1 # Amperes UnitTemp_in_cgs: 1 # Kelvin # Parameters for the self-gravity scheme Gravity: eta: 0.025 # Constant dimensionless multiplier for time integration. MAC: geometric theta_cr: 0.7 # Opening angle (Multipole acceptance criterion). use_tree_below_softening: 1 max_physical_baryon_softening: 0.100 # Physical softening length (in internal units). # 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: 2. # The end time of the simulation (in internal units). dt_min: 1e-6 # 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. # (Optional) Time of the first output if non-cosmological time-integration (in internal units) delta_time: 0.001 # Time difference between consecutive outputs (in internal units) # Parameters governing the conserved quantities statistics Statistics: delta_time: 1e-2 # Time between statistics output time_first: 0. # (Optional) Time of the first stats output if non-cosmological time-integration (in internal units) Scheduler: max_top_level_cells: 32 # Parameters related to the initial conditions InitialConditions: file_name: 3e11-star-only-static-potential-galaxy.hdf5 # The file to read periodic: 0 # Are we running with periodic ICs? # Hernquist potential parameters HernquistPotential: useabspos: 0 # 0 -> positions based on centre, 1 -> absolute positions position: [0.,0.,0.] # Location of centre of isothermal potential with respect to centre of the box (if 0) otherwise absolute (if 1) (internal units) idealizeddisk: 1 # Run with an idealized galaxy disk M200: 30.0 # M200 of the galaxy disk h: 0.704 # reduced Hubble constant (value does not specify the used units!) concentration: 7.1 # concentration of the Halo diskfraction: 0.0434370991372 # Disk mass fraction bulgefraction: 0.00705852860979 # Bulge mass fraction timestep_mult: 0.01 # Dimensionless pre-factor for the time-step condition, basically determines the fraction of the orbital time we use to do the time integration epsilon: 0.030 # Softening size (internal units)