Скачать или смотреть Open Channel Flow: Mild Reach Drains to Downstream Reach of Varying Slope

More about technical content and background details for this video can be found in the textbook, "Fundamentals of Open Channel Flow" by Glenn E. Moglen.

Link to book: https://www.routledge.com/Fundamental...
Link to un-narrated video:    • Open Channel Flow: Mild reach drains to do...  

Animation details:

This is an animation from the book, "Fundamentals of Open Channel Flow", by author Glenn E. Moglen, published by the CRC Press (2015). The animation shows an upstream mild reach and a downstream reach that varies from two times milder than upstream to steep. Upstream and downstream boundary conditions are normal depth at all times. Surface water profiles evolve on one or both reaches as the downstream reach slope varies accordingly. The lower-right subplot shows an E-y diagram with normal depths indicated by plotted squares. The colored regions of the E-y diagram indicate where surface water profiles engage (blue is M1 curve, magenta is M2 curve, green is S2 curve). A water surface colored in cyan is at normal depth. The lower-left subplot shows the length of the M1, M2, and S2, curves as they evolve with changing downstream reach slope. The vertical dashed lines on this subplot show the upstream slope and the critical slope. These form boundaries on the evolution of the different surface water curves, as would be expected.

Conditions modeled: Q=100 ft3/s, S0,1=0.005, S0,2 varies from 0.0025 to 0.0515. Manning’s n=0.03, channel width=10 feet. The flume is rectangular in cross-section.