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A weakly non-gaussian model of wave height distribution for random wave train |
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| Authors: | Nobuhito Mori Takashi Yasuda |
| Institution: | a Department of Fluid Mechanics, Central Research Institute of Electric Power Industry (CRIEPI), Abiko 1646, Chiba 270-11, Japan b Graduate Course of Environmental and Renewable Energy System, Gifu University, Yanagido 1-1, Gifu 501-11, Japan |
| Abstract: | The wave height distribution with Edgeworth’s form of a cumulative expansion of probability density function (PDF) of surface elevation are investigated. The results show that a non-Gaussian model of wave height distribution reasonably agrees with experimental data. It is discussed that the fourth order moment (kurtosis) of water surface elevation corresponds to the first order nonlinear correction of wave heights and is related with wave grouping. |
| Keywords: | Wave height distribution Non-Gaussian theory Random wave train Deep-water wave |
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