Corrected typos in the EAGLE black hole code that Yannick reported.

examples/EAGLE_ICs/EAGLE_12/eagle_12.yml

@@ -165,7 +165,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

examples/EAGLE_ICs/EAGLE_25/eagle_25.yml

@@ -166,7 +166,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

examples/EAGLE_ICs/EAGLE_50/eagle_50.yml

@@ -166,7 +166,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

examples/EAGLE_low_z/EAGLE_12/eagle_12.yml

@@ -157,7 +157,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

examples/EAGLE_low_z/EAGLE_25/eagle_25.yml

@@ -164,7 +164,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

examples/EAGLE_low_z/EAGLE_50/eagle_50.yml

@@ -156,7 +156,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

examples/EAGLE_low_z/EAGLE_6/eagle_6.yml

@@ -166,7 +166,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

examples/parameter_example.yml

@@ -396,7 +396,7 @@ EAGLEFeedback:
 EAGLEAGN:
   subgrid_seed_mass_Msun:           1.5e5      # Black hole subgrid mass at creation time in solar masses.
   max_eddington_fraction:           1.         # Maximal allowed accretion rate in units of the Eddington rate.
-  viscuous_alpha:                   1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
+  viscous_alpha:                    1e6        # Normalisation constant of the Bondi viscuous time-scale accretion reduction term
   radiative_efficiency:             0.1        # Fraction of the accreted mass that gets radiated.
   coupling_efficiency:              0.15       # Fraction of the radiated energy that couples to the gas in feedback events.
   AGN_delta_T_K:                    3.16228e8  # Change in temperature to apply to the gas particle in an AGN feedback event in Kelvin.

src/black_holes/EAGLE/black_holes.h

@@ -331,10 +331,10 @@ __attribute__((always_inline)) INLINE static void black_holes_prepare_feedback(
                               v_diff_peculiar[1] * v_diff_peculiar[1] +
                               v_diff_peculiar[2] * v_diff_peculiar[2];
 
-  /* Norm of the cirecular velocity of the gas around the BH */
+  /* Norm of the circular velocity of the gas around the BH */
   const double tangential_velocity2 = gas_v_circular[0] * gas_v_circular[0] +
-                                      gas_v_circular[0] * gas_v_circular[0] +
-                                      gas_v_circular[0] * gas_v_circular[0];
+                                      gas_v_circular[1] * gas_v_circular[1] +
+                                      gas_v_circular[2] * gas_v_circular[2];
   const double tangential_velocity = sqrt(tangential_velocity2);
 
   /* We can now compute the Bondi accretion rate (internal units) */

src/black_holes/EAGLE/black_holes_iact.h

@@ -87,7 +87,7 @@ __attribute__((always_inline)) INLINE static void runner_iact_nonsym_bh_density(
   /* Contribution to the circular valocity */
   const float dv[3] = {bi->v[0] - vj[0], bi->v[1] - vj[1], bi->v[2] - vj[2]};
   bi->circular_velocity_gas[0] += mj * wi * (dx[1] * dv[2] - dx[2] * dv[1]);
-  bi->circular_velocity_gas[1] += mj * wi * (dx[0] * dv[2] - dx[2] * dv[0]);
+  bi->circular_velocity_gas[1] += mj * wi * (dx[2] * dv[0] - dx[0] * dv[2]);
   bi->circular_velocity_gas[2] += mj * wi * (dx[0] * dv[1] - dx[1] * dv[0]);
 
 #ifdef DEBUG_INTERACTIONS_BH

src/black_holes/EAGLE/black_holes_properties.h

@@ -147,7 +147,7 @@ INLINE static void black_holes_props_init(struct black_holes_props *bp,
       parser_get_param_float(params, "EAGLEAGN:radiative_efficiency");
   bp->epsilon_f =
       parser_get_param_float(params, "EAGLEAGN:coupling_efficiency");
-  bp->alpha_visc = parser_get_param_float(params, "EAGLEAGN:viscuous_alpha");
+  bp->alpha_visc = parser_get_param_float(params, "EAGLEAGN:viscous_alpha");
 
   /* Feedback parameters ---------------------------------- */