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Run-up of long waves generated by bottom-tilting wave maker

Author(s): Heng Lu; Yong Sung Park; Yong-Sik Cho

Linked Author(s): Yong-Sung Park, Yong-Sik Cho

Keywords: Long waves; run-up; surf-similarity parameter; tsunami; wave breaking

Abstract: Using the recently developed bottom-tilting wave maker, run-ups of very long waves are investigated on an adjustable plane beach. Both leading-elevation waves and leading-depression waves are considered, in which the experimental results are compared with the numerical solution of the nonlinear shallow water equations. A surf similarity parameter based on the steepness of the accelerating phase of the wave is suggested. It is shown that both the maximum run-up height and the theoretical breaking criterion can be described in terms of the surf similarity parameter, which is consistent with the results for the solitary waves.

DOI: https://doi.org/10.1080/00221686.2018.1555550

Year: 2020

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