A Calculation of the Statistical Distribution of the Maxima of Nonlinear Responses in Irregular Waves : 2nd Report
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概要
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An approximate method is proposed to calculate the statistical distributions of the maxima and minima of a weakly nonlinear response in irregular waves. Different from the previous method which dealt with the same problem, the present formulation includes the effect of the band width of the response spectrum. Therefore, the present approximation is even applicable to the response whose spectrum is not narrow banded but arbitrarily wide banded, as may be frequently experienced in most seakeeping problems. First, the formulation for the quadratic nonlinear response is derived in the form expressed by the Hermite polynomial. Second, calculations are carried out on the probability density and the 1/n th highest expected amplitude of wave elevation. The comparisons of the calculated results with simulated time domain results as well as experimental ones suggest that the present method may be useful from an engineering point of view.
- 社団法人日本船舶海洋工学会の論文
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- A Calculation of the Statistical Distribution of the Maxima of Nonlinear Responses in Irregular Waves : 2nd Report
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