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Flow splitting using links

Flow splitting using links

Flow splitting using links

I'd like to split a flow from a link into 2 parts.  All runoff up to the 2 year event will go one direction (into pond a), and all flow above the 2 year event in another direction (overland flow to pond b).  I can get the link to split by keying in the actual maximum cfs to go to pond a, but it seems tedious to do that.  Can I just tell it "up to 2 year event go here, and over that go there?  Is there a better method?
 Thanks,  Adam

RE: Flow splitting using links

If you know the flow threshold, a link is a good solution, exactly as you described.  However, diversion structures rarely yield this kind of ideal behavior.

So I would generally recommend that you model the actual diversion structure you plan to use, such as a catch-basin with a low-flow opening and an overflow weir.  This could be modeled as a zero-storage pond, with the devices routed to primary and secondary, in order to split the flows.

Peter Smart
HydroCAD Software

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