New velocity, acceleration, heat_production scales

Author: amorison

stagpy/phyvars.py

@@ -281,11 +281,11 @@
     's': attrgetter('time'),
     'W/(m.K)': attrgetter('th_cond'),
     'm2/s': attrgetter('th_diff'),
-    'W/m3': lambda scl: scl.power / scl.length**3,
+    'W/m3': attrgetter('heat_production'),
     '1/s': lambda scl: 1 / scl.time,
     'K/s': lambda scl: scl.temperature / scl.time,
-    'm/s': lambda scl: scl.length / scl.time,
-    'm/s2': lambda scl: scl.length / scl.time**2,
+    'm/s': attrgetter('velocity'),
+    'm/s2': attrgetter('acceleration'),
 })
 
 PREFIXES = ('k', 'M', 'G')

stagpy/stagyydata.py

@@ -109,6 +109,16 @@ def time(self) -> float:
         """Time in s."""
         return self.length**2 / self.th_diff
 
+    @property
+    def velocity(self) -> float:
+        """Velocity in m/s."""
+        return self.length / self.time
+
+    @property
+    def acceleration(self) -> float:
+        """Acceleration in m/s2."""
+        return self.length / self.time**2
+
     @property
     def power(self) -> float:
         """Power in W."""
@@ -119,6 +129,11 @@ def heat_flux(self) -> float:
         """Local heat flux in W/m2."""
         return self.power / self.length**2
 
+    @property
+    def heat_production(self) -> float:
+        """Local heat production in W/m3."""
+        return self.power / self.length**3
+
     @property
     def stress(self) -> float:
         """Stress in Pa."""