金属板在水下爆炸加载下的动态响应研究进展

Research progress on dynamic response of metal plate in underwater explosion loading

金属板是舰船等大型工程结构的最基本结构元素,其抗爆性能、爆炸响应及破坏特性一直都是人们关注的基本问题。该文综述金属板的水下爆炸加载试验技术和动态响应研究现状。介绍非装药水下冲击试验加载方法、水箱/开放水域爆炸加载方法和锥形激波管爆炸加载方法的基本原理和特点,分析各加载方法的优点和局限性。简要讨论水下爆炸冲击载荷作用下金属薄板的失效模式,及其与空中爆炸的异同。总结处理相似实验的无量纲分析方法,给出3类主要的中心挠度预测公式,并对其适用性进行讨论。该文可以为水下爆炸实验研究提供一定的参考。

Metal plate is the most basic structural element of large engineering structures such as ships,and its anti-explosion performance and explosion response and damage characteristics have always been the basic problems of people’s attention.In this paper,the underwater explosive loading techniques and its dimensionless analysis are reviewed.This paper introduces the basic principle and characteristics of three underwater loading techniques for non-charged underwater impact loading,explosion loading in water tank/open water and conical shock tube explosion loading.The advantages and limitations of each loading technique are discussed.The failure modes of thin plate under underwater explosion and its similarities and differences between air blast loading are briefly discussed.Summarized the dimensionless analysis methods for similar experiments,and three kinds of central deflection prediction formula are given,and their applicability are discussed.This may provide reference for underwater explosion experimental study.