Note: An explanation of the four St. Venant Terms in SWMM 5 and how they change for Force Mains. The HGL is the water surface elevation in the upstream and downstream
The Three Flows in SWMM 5 for a Link
There are actually three flows computed or used for a link in SWMM 5:
1. The St. Venant Flow equation flow
2. The …
Subject: What are the Units for the five St. Venant Flow Terms in SWMM 5 and InfoSWMM?
The new flow (Q) calculated at during each iteration of time step as