基于JTP规范的大型油船疲劳强度研究

Fatigue Strength Assessment of Large Tanker Based on JTP Rule

文章利用MSC.Patran软件建立船体有限元模型,结合JTP规范中疲劳强度的校核方法,应用热点应力法,针对热点部位进行有限元分析,并计算其疲劳累积损伤。计算结果显示,疲劳寿命满足设计要求。

By using the software MSC.Patran finite element model to build the hull,together with the fatigue strength checking method based on JTP rule and the hot spot stress method for the hot parts to conduct the finite element analysis,the cumulative fatigue damage has been calculated in the paper,its result showing the fatigue strength meeting the requirements.