随机波浪载荷下基于断裂力学的结构疲劳分析算法研究

尹彦坤, 陈实, 李挺前

Research of Numerical Algorithms for Structure's Fatigue Assessment in Random Waves Based on Fracture Mechanics

Yan-kun YIN, Shi CHEN, Ting-qian LI

表5 典型波浪长期分布概率表

Table 5 Typical long-term wave distribution

有效波高Hs /m 跨零周期Tz/s 总和 <2 2~3 3~4 4~6 6~10 >10 0 0.139 0.269 0.104 0.003 - - 0.515 0.0~0.5 1.844 26.065 17.719 5.802 0.090 - 51.52 0.5~1.0 1.172 8.545 15.523 7.394 0.347 - 32.981 1.0~1.5 0.486 2.170 3.134 4.245 0.208 - 10.243 1.5~2.0 0.075 0.871 0.744 1.499 0.211 - 3.400 2.0~2.5 0.006 0.165 0.148 0.521 0.194 - 1.034 2.5~3.0 - 0.006 0.029 0.096 0.096 - 0.227 3.0~3.5 - - 0.012 0.017 0.029 - 0.058 3.5~4.0 - - - 0.003 0.003 - 0.006 4.0~4.5 - - - 0.003 0.003 - 0.006 >4.5 - - - 0.003 - - 0.003 总和 3.722 38.091 37.413 19.586 1.181 - 100