Description of the unit system for snapshots is now optional

examples/CosmoVolume/cosmoVolume.yml

@@ -23,11 +23,6 @@ Snapshots:
   basename:            cosmo # Common part of the name of output files
   time_first:          0.    # Time of the first output (in internal units)
   delta_time:          0.05  # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/EAGLE_12/eagle_12.yml

 # Define the system of units to use internally. 
 InternalUnitSystem:
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
+  UnitMass_in_cgs:     1.989e43      # 10^10 M_sun in grams
+  UnitLength_in_cgs:   3.085678e24   # Mpc in centimeters
+  UnitVelocity_in_cgs: 1e5           # km/s in centimeters per second
+  UnitCurrent_in_cgs:  1             # Amperes
+  UnitTemp_in_cgs:     1             # Kelvin
 
 # Parameters for the task scheduling
 Scheduler:
@@ -14,21 +14,16 @@ Scheduler:
 # Parameters governing the time integration
 TimeIntegration:
   time_begin: 0.    # The starting time of the simulation (in internal units).
-  time_end:   1.    # The end time of the simulation (in internal units).
-  dt_min:     1e-7  # 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).
+  time_end:   1e-2  # The end time of the simulation (in internal units).
+  dt_min:     1e-10 # The minimal time-step size of the simulation (in internal units).
+  dt_max:     1e-4  # The maximal time-step size of the simulation (in internal units).
 
 # Parameters governing the snapshots
 Snapshots:
   basename:            eagle # Common part of the name of output files
   time_first:          0.    # Time of the first output (in internal units)
-  delta_time:          0.05  # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
-
+  delta_time:          1e-3  # Time difference between consecutive outputs (in internal units)
+  
 # Parameters governing the conserved quantities statistics
 Statistics:
   delta_time:          1e-2 # Time between statistics output

examples/EAGLE_25/eagle_25.yml

 # Define the system of units to use internally. 
 InternalUnitSystem:
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
+  UnitMass_in_cgs:     1.989e43      # 10^10 M_sun in grams
+  UnitLength_in_cgs:   3.085678e24   # Mpc in centimeters
+  UnitVelocity_in_cgs: 1e5           # km/s in centimeters per second
+  UnitCurrent_in_cgs:  1             # Amperes
+  UnitTemp_in_cgs:     1             # Kelvin
 
 # Parameters for the task scheduling
 Scheduler:
@@ -23,11 +23,6 @@ Snapshots:
   basename:            eagle # Common part of the name of output files
   time_first:          0.    # Time of the first output (in internal units)
   delta_time:          0.05  # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/EAGLE_50/eagle_50.yml

 # Define the system of units to use internally. 
 InternalUnitSystem:
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
+  UnitMass_in_cgs:     1.989e43      # 10^10 M_sun in grams
+  UnitLength_in_cgs:   3.085678e24   # Mpc in centimeters
+  UnitVelocity_in_cgs: 1e5           # km/s in centimeters per second
+  UnitCurrent_in_cgs:  1             # Amperes
+  UnitTemp_in_cgs:     1             # Kelvin
 
 # Parameters for the task scheduling
 Scheduler:
@@ -23,11 +23,6 @@ Snapshots:
   basename:            eagle # Common part of the name of output files
   time_first:          0.    # Time of the first output (in internal units)
   delta_time:          0.05  # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/ExternalPointMass/externalPointMass.yml

@@ -18,11 +18,6 @@ Snapshots:
   basename:            pointMass # Common part of the name of output files
   time_first:          0.        # Time of the first output (in internal units)
   delta_time:          0.02      # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1.9885e33     # Grams
-  UnitLength_in_cgs:   3.0856776e21  # Centimeters
-  UnitVelocity_in_cgs: 1e5           # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/MultiTypes/multiTypes.yml

@@ -18,11 +18,6 @@ Snapshots:
   basename:            multiTypes # Common part of the name of output files
   time_first:          0.         # Time of the first output (in internal units)
   delta_time:          0.01       # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/SedovBlast/sedov.yml

@@ -18,11 +18,6 @@ Snapshots:
   basename:            sedov # Common part of the name of output files
   time_first:          0.    # Time of the first output (in internal units)
   delta_time:          0.1   # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/SodShock/sodShock.yml

@@ -18,11 +18,6 @@ Snapshots:
   basename:            sod # Common part of the name of output files
   time_first:          0.  # Time of the first output (in internal units)
   delta_time:          0.1 # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/UniformBox/uniformBox.yml

@@ -18,11 +18,6 @@ Snapshots:
   basename:            uniformBox # Common part of the name of output files
   time_first:          0.         # Time of the first output (in internal units)
   delta_time:          0.01       # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1   # Grams
-  UnitLength_in_cgs:   1   # Centimeters
-  UnitVelocity_in_cgs: 1   # Centimeters per second
-  UnitCurrent_in_cgs:  1   # Amperes
-  UnitTemp_in_cgs:     1   # Kelvin
 
 # Parameters governing the conserved quantities statistics
 Statistics:

examples/parameter_example.yml

@@ -25,11 +25,11 @@ Snapshots:
   basename:   output      # Common part of the name of output files
   time_first: 0.          # Time of the first output (in internal units)
   delta_time: 0.01        # Time difference between consecutive outputs (in internal units)
-  UnitMass_in_cgs:     1  # Unit system for the outputs (Grams)
-  UnitLength_in_cgs:   1  # Unit system for the outputs (Centimeters)
-  UnitVelocity_in_cgs: 1  # Unit system for the outputs (Centimeters per second)
-  UnitCurrent_in_cgs:  1  # Unit system for the outputs (Amperes)
-  UnitTemp_in_cgs:     1  # Unit system for the outputs (Kelvin)
+  UnitMass_in_cgs:     1  # (Optional) Unit system for the outputs (Grams)
+  UnitLength_in_cgs:   1  # (Optional) Unit system for the outputs (Centimeters)
+  UnitVelocity_in_cgs: 1  # (Optional) Unit system for the outputs (Centimeters per second)
+  UnitCurrent_in_cgs:  1  # (Optional) Unit system for the outputs (Amperes)
+  UnitTemp_in_cgs:     1  # (Optional) Unit system for the outputs (Kelvin)
 
 # Parameters governing the conserved quantities statistics
 Statistics: