TUFLOW 1D Channels and Hydraulic Structures: Difference between revisions

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== How can I read approach-capture flow curves for on-grade pits into TUFLOW? ==
TUFLOW currently doesn't support the use of approach-capture flow curves directly. Manning's equation calculations can be used to convert on-grade approach flow information to a water depth at the pit. ARRFor 2019example, Australian Rainfall and Runoff GuidelinesGuideline (SectionEngineers 5.6.1Australia) (Book 9, Chapter 5, BookSection 95.6.1) recommends using the modified Mannings equation, the Izzard's equation, for gutter and roadway flow.
 
The pit depth-flow curve relationship can be derived as follows: