Changeset 8024

Timestamp:

Sep 21, 2010, 5:55:27 PM (14 years ago)

Author:

steve

Message:

Added a comment to updating structure operator

File:

• trunk/anuga_core/source/anuga/structures/structure_operator.py (modified) (1 diff)

trunk/anuga_core/source/anuga/structures/structure_operator.py

@@ -109 +109 @@
         old_inflow_xmom = self.inflow.get_average_xmom()
         old_inflow_ymom = self.inflow.get_average_ymom()
-            
+
+        # Implement the update of flow over a timestep by
+        # using a semi-implict update. This ensures that
+        # the update does not create a negative height
         if old_inflow_height > 0.0 :
                 Q_star = Q/old_inflow_height