摘要利用AUTODYN仿真程序,仿真了20 g TNT水下爆炸对不同距离的不同壳体的变形响应,得到了2种材料的壳体响应规律。仿真结果表明:在进行小药量炸药水下爆炸对相邻壳体变形影响分析时,同种材料情况下,距离越远变形越小;不同材料相同距离时,壳体材料决定变形情况的结果。该研究对工程实践有一定指导意义。
3Padraic K Fox. Nonlinear dynamic response of cylindrical shells subjected to underwater side -on explosions[ R]. AD - A252856,1992.
4Kwon Y W, Fox P K. Underwater shock response of a cylindrical subjected to a side -on explosion[ J]. Computers & Structures, 1993, 48 (4) : 637 - 646.
5Chisum J E, Shin Y S. Multimaterial Eulerian and Coupled Lagrangian - Eulerian Finite Element Analysis of Underwater Shock Problems [ R]. AD - A298206, 1995.
6Hooker D T, Shin Y S. Damage response of submerged imper - fect cylindrical structures to underwater explosion [J]. Computers & Structures, 1996, 60 (5) : 683 - 693.
7Woyak David B. Modeling submerged structures loaded by underwater explosions with ABAQUS/Explicit [ A ]. ABAQUS Users' Conference[C]. 2002.
8Blevins R D. Formulas for natural frequencies and mode shapes[M]. Robert E. Fruger Publishing Co., 1979. science and technology, 2003, 25 (6) .52 - 55.
