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    Wave crest height distribution during the tropical cyclone period

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    Oce_Engin_197_106899a.pdf (2.490Mb)
    Date
    2020
    Author
    SanilKumar, V.
    Harikrishnan, S.
    Mandal, Sourav
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    Abstract
    The wave crest height plays a vital role in designing both the fixed and floating marine structures. The present study examines the measured wave crest data at 18 m water depth off Visakhapatnam in the northwestern Bay of Bengal during the tropical cyclone (TC) Hudhud. The maximum significant wave height (Hs) measured during the TC is 7.59 m on 12 October 2014 at 1030 h; the maximum wave height is 10.75 m and the crest height is 6.81 m. The average ratio of the crest height of the wave to the wave height is 0.4-0.7 during the TC. For waves with Hs more than 6 m, the most extreme wave height is 1.46-1.83 times the Hs and the crest height of the wave is 0.81-1.47 times the Hs of the same 30-min record. The study shows that during the high wave events, the Weibull distribution agrees with the crest height distribution of observed data better than the Rayleigh distribution.
    URI
    https://doi.org/10.1016/j.oceaneng.2019.106899
    http://drs.nio.org/drs/handle/2264/8307
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