Tuesday Tip of the Week–HTAB Headwater Maximum for Bridges

Have you ever looked at your profile plot from an unsteady flow model and found “walls of water” on top of your bridge?  Or just unexplained unrealistically large amounts of energy loss over a bridge?  Take this for example: Notice the three large “steps” in energy grade line (and water surface elevation).  It’s hard to […]

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Careful with Flow Inconsistency on the Max WS Profile

I’m a big proponent of checking flow consistency in your results.  Anyone who has taken a RAS class from me has heard me go on about Standard Table 2 and the benefits of maintaining a consistent distribution of flow not only between sub sections (left overbank, main channel, right overbank) in a cross section, but […]

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