SWATH船在砰击载荷作用下动态响应研究

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振动与冲击 ›› 2011, Vol. 30 ›› Issue (6) : 208-212.

论文

SWATH船在砰击载荷作用下动态响应研究

夏齐强;陈志坚;李科技

作者信息 +

A study on dynamic response of SWATH under slamming loads

Xia Qi-qiang; Chen Zhi-jian; Li Ke-ji

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文章历史 +

摘要

针对SWATH在波浪中航行时，其湿甲板底部易遭受砰击从而引起船体振动的现象，对SWATH的砰击动态响应和强度进行了研究。利用SWATH在规则波中船波相对运动推导了随空间和时间变化的砰击载荷，采用有限元数值仿真，计算了SWATH湿甲板受砰击载荷作用的动态响应，分析了其位移和应力分布规律；并与静强度法砰击响应进行了比较，对湿甲板强度设计方法进行了探讨，为船舶结构设计提供参考

Abstract

Aiming at ship vibration brought about by wet-deck bottom slamming when it is sailing on waves ,a study on dynamic response of SWATH under slamming load has been done. Slamming load that varied with space and time is obtained by applying relative motion between ship and waves, then the numerical calculation of dynamic response is performed. The distribution law of deformation and stress is analyzed for discussing the characteristic of load impacting on the structure. Compared with the static slamming response, an effective strength design criterion of wet-deck is discussed, which can be used as reference in the structure design of SWATH

导出引用

夏齐强;陈志坚;李科技. SWATH船在砰击载荷作用下动态响应研究[J]. 振动与冲击, 2011, 30(6): 208-212

Xia Qi-qiang;Chen Zhi-jian;Li Ke-ji. A study on dynamic response of SWATH under slamming loads[J]. Journal of Vibration and Shock, 2011, 30(6): 208-212