diff --git a/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml b/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml index 70c35b13db561f024df1329b517ec04d9c71c5d4..4c735155eea0698fcb7c2f14b088e58b57747cc5 100644 --- a/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml +++ b/examples/EAGLE_ICs/EAGLE_100/eagle_100.yml @@ -208,41 +208,43 @@ EAGLEFeedback: # EAGLE AGN model EAGLEAGN: - subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. - use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? - use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? - with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? - viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term - with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? - boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. - boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. - boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). - radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. - use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? - min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. - max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. - eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. - coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. - use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. - AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). - AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). - AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. - AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. - AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). - max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). - max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. - with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? - max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. - min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. - set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? - threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' - threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' - merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). - merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. + subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. + use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? + use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? + with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? + viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term + with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? + boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. + boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. + boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). + radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. + use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? + min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. + max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. + eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. + coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. + AGN_feedback_model: MinimumDistance # Feedback modes: Random, Isotropic, MinimumDistance, MinimumDensity + AGN_use_deterministic_feedback: 0 # Deterministic (reservoir) [1] or stochastic [0] AGN feedback? + use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. + AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). + AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). + AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. + AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. + AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). + max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). + max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. + with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? + max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. + min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. + set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? + threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' + threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' + merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). + merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. diff --git a/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml b/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml index 72e952be6e0a907971c796690146ea6f89739f40..690bc29fb20f486ef294e53e6a4eb3e2276ae9f0 100644 --- a/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml +++ b/examples/EAGLE_ICs/EAGLE_12/eagle_12.yml @@ -207,41 +207,43 @@ EAGLEFeedback: # EAGLE AGN model EAGLEAGN: - subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. - use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? - use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? - with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? - viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term - with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? - boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. - boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. - boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). - radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. - use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? - min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. - max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. - eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. - coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. - use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. - AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). - AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). - AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. - AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. - AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). - max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). - max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. - with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? - max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. - min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. - set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? - threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' - threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' - merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). - merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. + subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. + use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? + use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? + with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? + viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term + with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? + boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. + boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. + boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). + radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. + use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? + min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. + max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. + eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. + coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. + AGN_feedback_model: MinimumDistance # Feedback modes: Random, Isotropic, MinimumDistance, MinimumDensity + AGN_use_deterministic_feedback: 0 # Deterministic (reservoir) [1] or stochastic [0] AGN feedback? + use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. + AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). + AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). + AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. + AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. + AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). + max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). + max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. + with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? + max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. + min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. + set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? + threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' + threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' + merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). + merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. diff --git a/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml b/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml index 29c951fd8b1590b692b2eab6841b423bcfa7eb9c..98cc4fbb4a75b3b5035e7818a6922d70a15df407 100644 --- a/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml +++ b/examples/EAGLE_ICs/EAGLE_25/eagle_25.yml @@ -207,41 +207,43 @@ EAGLEFeedback: # EAGLE AGN model EAGLEAGN: - subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. - use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? - use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? - with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? - viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term - with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? - boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. - boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. - boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). - radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. - use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? - min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. - max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. - eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. - coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. - use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. - AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). - AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). - AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. - AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. - AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). - max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). - max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. - with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? - max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. - min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. - set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? - threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' - threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' - merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). - merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. + subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. + use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? + use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? + with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? + viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term + with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? + boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. + boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. + boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). + radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. + use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? + min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. + max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. + eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. + coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. + AGN_feedback_model: MinimumDistance # Feedback modes: Random, Isotropic, MinimumDistance, MinimumDensity + AGN_use_deterministic_feedback: 0 # Deterministic (reservoir) [1] or stochastic [0] AGN feedback? + use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. + AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). + AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). + AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. + AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. + AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). + max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). + max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. + with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? + max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. + min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. + set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? + threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' + threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' + merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). + merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. diff --git a/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml b/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml index b29b64dd250bef8d3573ceb8aafcfba18bae0e8e..96a6ccf9ec701b03024d4890538f26f87ff4b3fe 100644 --- a/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml +++ b/examples/EAGLE_ICs/EAGLE_50/eagle_50.yml @@ -205,41 +205,43 @@ EAGLEFeedback: # EAGLE AGN model EAGLEAGN: - subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. - use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? - use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? - with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? - viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term - with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? - boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. - boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. - boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). - radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. - use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? - min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. - max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. - eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. - coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. - use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. - AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). - AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). - AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. - AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. - AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). - max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). - max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. - with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? - max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. - min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. - set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? - threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' - threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' - merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). - merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. + subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. + use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? + use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? + with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? + viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term + with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? + boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. + boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. + boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). + radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. + use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? + min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. + max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. + eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. + coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. + AGN_feedback_model: MinimumDistance # Feedback modes: Random, Isotropic, MinimumDistance, MinimumDensity + AGN_use_deterministic_feedback: 0 # Deterministic (reservoir) [1] or stochastic [0] AGN feedback? + use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. + AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). + AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). + AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. + AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. + AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). + max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). + max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. + with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? + max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. + min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. + set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? + threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' + threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' + merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). + merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. diff --git a/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml b/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml index 8d66883c8b6a88f2ddb835fadec2a9de6bb183c0..d3234522bdea574dd2d5ab0d34564529d3cfea3a 100644 --- a/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml +++ b/examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml @@ -204,41 +204,43 @@ EAGLEFeedback: # EAGLE AGN model EAGLEAGN: - subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. - use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? - use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? - with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? - viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term - with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? - boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. - boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. - boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). - radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. - use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? - min_gas_mass_for_nibbling: 7.2e6 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. - max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. - eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. - coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. - use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. - AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). - AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). - AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. - AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. - AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). - max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). - max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. - with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? - max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. - min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. - set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? - threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' - threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' - merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). - merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. + subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. + use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? + use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? + with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? + viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term + with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? + boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. + boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. + boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). + radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. + use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? + min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. + max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. + eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. + coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. + AGN_feedback_model: MinimumDistance # Feedback modes: Random, Isotropic, MinimumDistance, MinimumDensity + AGN_use_deterministic_feedback: 0 # Deterministic (reservoir) [1] or stochastic [0] AGN feedback? + use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. + AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). + AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). + AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. + AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. + AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). + max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). + max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. + with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? + max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. + min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. + set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? + threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' + threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' + merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). + merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. diff --git a/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml b/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml index 2ed23d87b6b73ec4b4d97616f996e640375c3bda..2171717b10b5787328c36c80c3646e310f9dd5f1 100644 --- a/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml +++ b/examples/EAGLE_ICs/EAGLE_6/eagle_6.yml @@ -207,41 +207,43 @@ EAGLEFeedback: # EAGLE AGN model EAGLEAGN: - subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. - use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? - use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? - with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? - viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term - with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? - boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. - boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. - boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). - use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? - min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. - radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. - max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. - eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. - coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. - use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. - AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). - AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). - AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). - AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). - AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). - AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. - AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. - AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). - max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). - max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. - with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? - max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. - min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. - set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? - threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' - threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' - merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). - merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length. + subgrid_seed_mass_Msun: 1.0e4 # Black hole subgrid mass at creation time in solar masses. + use_multi_phase_bondi: 0 # Compute Bondi rates per neighbour particle? + use_subgrid_bondi: 0 # Compute Bondi rates using the subgrid extrapolation of the gas properties around the BH? + with_angmom_limiter: 0 # Are we applying the Rosas-Guevara et al. (2015) viscous time-scale reduction term? + viscous_alpha: 1e6 # Normalisation constant of the viscous time-scale in the accretion reduction term + with_boost_factor: 0 # Are we using the model from Booth & Schaye (2009)? + boost_alpha: 1. # Lowest value for the accretion effeciency for the Booth & Schaye 2009 accretion model. + boost_beta: 2. # Slope of the power law for the Booth & Schaye 2009 model, set beta to zero for constant alpha models. + boost_n_h_star_H_p_cm3: 0.1 # Normalization of the power law for the Booth & Schaye 2009 model in cgs (cm^-3). + radiative_efficiency: 0.1 # Fraction of the accreted mass that gets radiated. + use_nibbling: 1 # Continuously transfer small amounts of mass from all gas neighbours to a black hole [1] or stochastically swallow whole gas particles [0]? + min_gas_mass_for_nibbling: 9e5 # Minimum mass for a gas particle to be nibbled from [M_Sun]. Only used if use_nibbling is 1. + max_eddington_fraction: 1. # Maximal allowed accretion rate in units of the Eddington rate. + eddington_fraction_for_recording: 0.1 # Record the last time BHs reached an Eddington ratio above this threshold. + coupling_efficiency: 0.1 # Fraction of the radiated energy that couples to the gas in feedback events. + AGN_feedback_model: MinimumDistance # Feedback modes: Random, Isotropic, MinimumDistance, MinimumDensity + AGN_use_deterministic_feedback: 0 # Deterministic (reservoir) [1] or stochastic [0] AGN feedback? + use_variable_delta_T: 1 # Switch to enable adaptive calculation of AGN dT [1], rather than using a constant value [0]. + AGN_with_locally_adaptive_delta_T: 1 # Switch to enable additional dependence of AGN dT on local gas density and temperature (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_norm: 3e8 # Normalisation temperature of AGN dT scaling with BH subgrid mass [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_reference: 1e8 # BH subgrid mass at which the normalisation temperature set above applies [M_Sun] (only used if use_variable_delta_T is 1). + AGN_delta_T_mass_exponent: 0.666667 # Power-law index of AGN dT scaling with BH subgrid mass (only used if use_variable_delta_T is 1). + AGN_delta_T_crit_factor: 1.0 # Multiple of critical dT for numerical efficiency (Dalla Vecchia & Schaye 2012) to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_background_factor: 0.0 # Multiple of local gas temperature to use as dT floor (only used if use_variable_delta_T and AGN_with_locally_adaptive_delta_T are both 1). + AGN_delta_T_min: 1e7 # Minimum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_max: 3e9 # Maximum allowed value of AGN dT [K] (only used if use_variable_delta_T is 1). + AGN_delta_T_K: 3.16228e8 # Change in temperature to apply to the gas particle in an AGN feedback event [K] (used if use_variable_delta_T is 0 or AGN_use_nheat_with_fixed_dT is 1 AND to initialise the BHs). + AGN_use_nheat_with_fixed_dT: 0 # Switch to use the constant AGN dT, rather than the adaptive one, for calculating the energy reservoir threshold. + AGN_use_adaptive_energy_reservoir_threshold: 0 # Switch to calculate an adaptive AGN energy reservoir threshold. + AGN_num_ngb_to_heat: 1. # Target number of gas neighbours to heat in an AGN feedback event (only used if AGN_use_adaptive_energy_reservoir_threshold is 0). + max_reposition_mass: 1e20 # Maximal BH mass considered for BH repositioning in solar masses (large number implies we always reposition). + max_reposition_distance_ratio: 3.0 # Maximal distance a BH can be repositioned, in units of the softening length. + with_reposition_velocity_threshold: 0 # Should we only reposition to particles that move slowly w.r.t. the black hole? + max_reposition_velocity_ratio: 0.5 # Maximal velocity offset of a particle to reposition a BH to, in units of the ambient sound speed of the BH. Only meaningful if with_reposition_velocity_threshold is 1. + min_reposition_velocity_threshold: -1.0 # Minimal value of the velocity threshold for repositioning [km/s], set to < 0 for no effect. Only meaningful if with_reposition_velocity_threshold is 1. + set_reposition_speed: 0 # Should we reposition black holes with (at most) a prescribed speed towards the potential minimum? + threshold_major_merger: 0.333 # Mass ratio threshold to consider a BH merger as 'major' + threshold_minor_merger: 0.1 # Mass ratio threshold to consider a BH merger as 'minor' + merger_threshold_type: 2 # Type of velocity threshold for BH mergers (0: v_circ at kernel edge, 1: v_esc at actual distance, with softening, 2: v_esc at actual distance, no softening). + merger_max_distance_ratio: 3.0 # Maximal distance over which two BHs can merge, in units of the softening length.