固支方形板在水下爆炸冲击波载荷作用下动态响应数值仿真研究

舰船在实际海战中的抗打击能力是舰船生命力的重要指标.板格是舰船结构的基本组成单元,为了研究板格在爆炸载荷作用下的承载能力,采用数值方法研究了正方形板在水下爆炸冲击波载荷作用下的动态响应,分析了板的变形模式,研究了板厚和爆炸冲击因子对板的最大变形绕度的影响,推导出简单适用的经验公式.

Dynamical response of square plates under shock loading

Anti-impact capability of warship is a very important rule of warship life. In this paper,on the basis of the numerical simulation method,the dynamic response of clamped square plates that the most common component of the warship ,subjected to underwater explosion loading was analyzed. The deformation mode of plate and the mutual relation between charge weight ,thickness of plate and deformations of plate center were investigated, and the compact equation of permanent deformation at the center of the plates was given.