Make the isolated galaxy with feedback example use a constant feedback model.

examples/IsolatedGalaxy/IsolatedGalaxy_feedback/isolated_galaxy.yml

@@ -108,7 +108,7 @@ EAGLEEntropyFloor:
   Cool_temperature_norm_K:        8000       # Temperature of the EAGLE Cool limiter entropy floor at the density threshold expressed in Kelvin.
   Cool_gamma_effective:           1.         # Slope the of the EAGLE Cool limiter entropy floor
 
-# EAGLE feedback model
+# EAGLE feedback model with constant feedback energy fraction
 EAGLEFeedback:
   use_SNII_feedback:                1               # Global switch for SNII thermal (stochastic) feedback.
   use_SNIa_feedback:                1               # Global switch for SNIa thermal (continuous) feedback.
@@ -123,8 +123,8 @@ EAGLEFeedback:
   SNII_wind_delay_Gyr:              0.03            # Time in Gyr between a star's birth and the SNII thermal feedback event.
   SNII_delta_T_K:                   3.16228e7       # Change in temperature to apply to the gas particle in a SNII thermal feedback event in Kelvin.
   SNII_energy_erg:                  1.0e51          # Energy of one SNII explosion in ergs.
-  SNII_energy_fraction_min:         0.3             # Minimal fraction of energy applied in a SNII feedback event.
-  SNII_energy_fraction_max:         3.0             # Maximal fraction of energy applied in a SNII feedback event.
+  SNII_energy_fraction_min:         1.0             # Minimal fraction of energy applied in a SNII feedback event.
+  SNII_energy_fraction_max:         1.0             # Maximal fraction of energy applied in a SNII feedback event.
   SNII_energy_fraction_Z_0:         0.0012663729    # Pivot point for the metallicity dependance of the SNII energy fraction (metal mass fraction).
   SNII_energy_fraction_n_0_H_p_cm3: 0.67            # Pivot point for the birth density dependance of the SNII energy fraction in cm^-3.
   SNII_energy_fraction_n_Z:         0.8686          # Power-law for the metallicity dependance of the SNII energy fraction.