Experimental study on wavefront flow characteristics of dam-break wave at initial stage on wet bed
Hao Jiang,
Yan Liu,
Zhihui Li
et al.
Abstract:The flow characteristics of dam-break wave in the initial stage of downstream wet bed are studied experimentally by digital image measurement technologies. First, the fine wavefront structure and its velocity were captured by the optical flow method, and an image measurement technology of water level based on edge detection was proposed. Then, the comparison and verification were carried out using the numerical simulation. The mean error is −7.369%, −1.243%, and 1.317% under depth ratio (σ) is 0.2, 0.25, and 0… Show more
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