水面舰艇舷侧抗冲击防护结构形式初探

Study on the Defend Structures Against Impact on the Shipboard of Naval Vessels

利用大型有限元软件ANSYS/LS-DYNA和ABAQUS对水面舰艇舷侧抗冲击防护结构形式进行了探讨。分别对传统单壳舷侧结构;双层舷侧结构;双层舷侧结构,舷侧边舱灌满水;双层舷侧结构,舷侧边舱注入一半水;Y型双层舷侧结构共5种结构的抗远场水下非接触爆炸性能进行了对比计算分析。比较分析了这5种舷侧结构舰体及内部结构的加速度、速度及应力响应数值。研究表明,在远场水下非接触爆炸条件下,双壳结构的抗冲击性能比起传统单壳舷侧结构有很大的改善,而Y型双层舷侧结构的抗冲击性能则明显优于这两种结构。

This paper studied the counter-impingement capability of shiphoard defend structure of naval vessel by using commercialized finite element analysis software ANSYS/LS-DYNA and ABAQUS. Five structures were analyzed： single hull shipboard structure; double hull shipboard structure;double hull shipboard structure with half water in the cabin; double hull shipboard structure with full water in the cabin; and Y shape shiphoard structure. The dynamic response of their accelerations ,velocities and stresses were given for each structure. The results shows that the double hull shipboard structure has a better anti-shock performance than any other single ones, but the Y shape structure has the best.