# Define the system of units to use internally. InternalUnitSystem: UnitMass_in_cgs: 1.988409870698051e+33 # 10^10 Solar masses UnitLength_in_cgs: 3.0856775814913673e+24 # Mpc 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: 10.0e-3 # The end time of the simulation (in internal units). dt_min: 1e-13 # The minimal time-step size of the simulation (in internal units). dt_max: 1e-3 # 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 subdir: output_2 # (Optional) Sub-directory in which to write the snapshots. Defaults to "" (i.e. the directory where SWIFT is run). time_first: 0. # Time of the first output (in internal units) delta_time: 1e-5 # Time difference between consecutive outputs (in internal units) UnitMass_in_cgs: 1.98848e+43 UnitLength_in_cgs: 3.086e+21 UnitVelocity_in_cgs: 1e5 UnitCurrent_in_cgs: 1 UnitTemp_in_cgs: 1 # Parameters governing the conserved quantities statistics Statistics: delta_time: 1.0 # Time between statistics output # Parameters related to the initial conditions InitialConditions: file_name: IC.hdf5 # The file to read shift: [0.5,0.5,0.5] periodic: 0 # NFW_MN_PSC potential parameters MWPotential2014Potential: useabspos: 0 # 0 -> positions based on centre, 1 -> absolute positions position: [0.,0.,0.] #Centre of the potential with respect to centre of the box timestep_mult: 0.0005 # Dimensionless pre-factor for the time-step condition epsilon: 0.001e-3 # Softening size (internal units) with_dynamical_friction:1 # Are we running with dynamical friction ? 0 -> no, 1 -> yes df_lnLambda: 5.0 # Coulomb logarithm df_satellite_mass_in_Msun: 1e10 # Satellite mass in solar mass df_core_radius_in_kpc: 10 # Radius below which the dynamical friction vanishes. df_timestep_mult:0.1 # Dimensionless pre-factor for the time-step condition for the dynamical friction force df_polyfit_coeffs00: -2.96536595e-31 # Polynomial fit coefficient for the velocity dispersion model (order 16) df_polyfit_coeffs01: 8.88944631e-28 # Polynomial fit coefficient for the velocity dispersion model (order 15) df_polyfit_coeffs02: -1.18280578e-24 # Polynomial fit coefficient for the velocity dispersion model (order 14) df_polyfit_coeffs03: 9.29479457e-22 # Polynomial fit coefficient for the velocity dispersion model (order 13) df_polyfit_coeffs04: -4.82805265e-19 # Polynomial fit coefficient for the velocity dispersion model (order 12) df_polyfit_coeffs05: 1.75460211e-16 # Polynomial fit coefficient for the velocity dispersion model (order 11) df_polyfit_coeffs06: -4.59976540e-14 # Polynomial fit coefficient for the velocity dispersion model (order 10) df_polyfit_coeffs07: 8.83166045e-12 # Polynomial fit coefficient for the velocity dispersion model (order 9) df_polyfit_coeffs08: -1.24747700e-09 # Polynomial fit coefficient for the velocity dispersion model (order 8) df_polyfit_coeffs09: 1.29060404e-07 # Polynomial fit coefficient for the velocity dispersion model (order 7) df_polyfit_coeffs10: -9.65315026e-06 # Polynomial fit coefficient for the velocity dispersion model (order 6) df_polyfit_coeffs11: 5.10187806e-04 # Polynomial fit coefficient for the velocity dispersion model (order 5) df_polyfit_coeffs12: -1.83800281e-02 # Polynomial fit coefficient for the velocity dispersion model (order 4) df_polyfit_coeffs13: 4.26501444e-01 # Polynomial fit coefficient for the velocity dispersion model (order 3) df_polyfit_coeffs14: -5.78038064e+00 # Polynomial fit coefficient for the velocity dispersion model (order 2) df_polyfit_coeffs15: 3.57956721e+01 # Polynomial fit coefficient for the velocity dispersion model (order 1) df_polyfit_coeffs16: 1.85478908e+02 # Polynomial fit coefficient for the velocity dispersion model (order 0)