基于设计波法的船体波浪载荷计算

摘要

本文对设计波法的原理进行说明,对比不同规范在载荷控制参数选取上的区别.依据ABS规范规定的载荷控制参数,采用确定性方法和随机性方法对船体波浪载荷进行计算.对比分析2种方法的设计波参数和最大载荷结果可知,在波浪载荷计算上,确定性方法偏于保守,而随机性方法由于考虑了海浪的随机性和不规则性更加科学合理.计算结果可为同类船体波浪载荷计算提供参考.%In this paper, the basic princilpes of the design wave method are discussed and the differences between the different rules in the selection of the dominant load parameters are compared. Deterministic method and stochastic method are used to calculate the wave loads of a ship based on the dominantload parameters of ABS rules. By comparing the design wave parameters and maximum load results of two methods, we can see that deterministic method is conservative in the cal-culation of the wave loads and stochastic method is more scientific and reasonable due to considering the randomness and ir-regularity of the wave. The results are helpful for wave loads calculating of similar ships.