Thank you so much for your quick response, Peter! I tried modeling it two different ways and got very different results. The way you suggested worked well. I modeled the lake as a pond with two primary outlets (the earthen embankment and the outlet of the riser), a 6' long sharp-crested weir...
I am trying to do a dam failure analysis for a small impoundment that has an earthen dam with a riser and conduit. The structure has a 48" inlet pipe, one weir in the riser about 10' above the pipe invert, and a 42" pipe outlet from the riser structure at the same invert as the inlet. I read...