Using the software MSC.Dytran,the experiments about dynamical response of flat plates subjected to underwater explosion were simulated by numerical model.The results of numerical simulation were agreeable with the ones of the experiments.The failure modes of the plats subjected to different underwater explosions in simulation were also consistent with the results of the experiments.So it is feasible to simulate dynamical response of structures subjected to underwater explosion by MSC.Dytran,and it can be used for reference to the actual engineering problems.%基于MSC.Dytran软件,对固支平板在水下非接触爆炸作用下的动态响应试验工况进行建模仿真分析,其计算结果与试验结果吻合较好.得到的平板在不同大小的水下爆炸冲击波载荷作用下的失效模式也与试验相一致,由此说明利用有限元软件MSC.Dytran模拟仿真水下爆炸作用下的结构动态响应过程的可行性,为工程应用提供了借鉴和参考.
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