摘要
针对某汽车运输船船艉结构处外板局部产生的大变形,选取典型板格使用有限元方法进行非线性分析,探究可能产生大变形的载荷;结合关于船艉部外底板频繁出入水的砰击效应,探讨导致大变形的原因,为设计吃水和艉部船底板距离较小船型的船艉外底板结构设计提供参考。
As there is large deformation happened on the bottom shell of PCTC＇s aft part,the non-linear FE analysis has been carried out to investigate the possible reasons. It is concluded that the large deformation is caused by the slamming effect for the bottom shell frequently jump in and out the water. According to these analysis and consideration,the structure design for aft bottom shell can be improved for the ships with a short distance between design waterline and bottom shell.
出处
《船海工程》
北大核心
2016年第1期32-34,40,共4页
Ship & Ocean Engineering
关键词
外底板
塑性变形
非线性
砰击
损伤
bottom shell
plastic deformation
non-linear
slamming
damage
