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国家自然科学基金(s40476015)

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发文基金:国家自然科学基金国家高技术研究发展计划更多>>
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Statistical distribution of nonlinear random wave height被引量:2
2006年
A statistical model of random wave is developed using Stokes wave theory of water wave dynamics. A new nonlinear probability distribution function of wave height is presented. The results indicate that wave steepness not only could be a parameter of the distribution function of wave height but also could reflect the degree of wave height distribution deviation from the Rayleigh distribution. The new wave height distribution overcomes the problem of Rayleigh distribution that the prediction of big wave is overestimated and the general wave is underestimated. The prediction of small probability wave height value of new distribution is also smaller than that of Rayleigh distribution. Wave height data taken from East China Normal University are used to verify the new distribution. The results in- dicate that the new distribution fits the measurements much better than the Rayleigh distribution.
HOU Yijun1, GUO Peifang1,2, SONG Guiting1,2, SONG Jinbao1, YIN Baoshu1 & ZHAO Xixi1,2 1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
关键词:RANDOMOCEANWAVEHEIGHT
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