摘要
本文介绍了海上极值波高设计值的确定方法,在数学原理上,该方法主要是通过波高的理论分布,或者由实测资料得出的波高经验概率分布,推求海上极值波高的众值和具有一定保证率的设计值。对于实测波高经验分布的模拟,本文采用F(x)=1-exp[-αx^bexp(-cx^d)]形式的拟合函数,并用非线性最小二乘法原理确定拟合函数中的非线性参数。实践证明,本方法计算简便,效果良好,可供实际工程设计时使用。
A method of determining design values of extreme wave height is introduced in this paper. Based on a principle of utilizing wave's theoretic distribution or experiential distribution from measurement, we derive the modes and designed values with certain assurance probability of extreme wave heights In order to initiate the experiential distribution of wave heights from measurement,a simulating function, F(x)=1-exp(—ax^bexp(—cx^d)), is adopted.According to the principle of nonlinear least square method,we can determine the nonlinear parameters in the simulating function.A conclusion can be drawn from the actual calculation that the method is not only simple and convenient but also very effective,and can be used in the engineering design.
出处
《海洋工程》
CSCD
北大核心
1989年第1期51-60,共10页
The Ocean Engineering
