粘弹性复合材料隔冲结构在水下非接触爆炸环境中的瞬态响应分析  

TRANSIENT RESPONSE ANALYSIS OF SHOCK-ISOLATION STRUCTURES WITH VISCOELASTIC COMPOSITE MATERIALS FOR UNDERWATER NON-CONTACT EXPLOSION CONDITION

作　　者：孙颖宏[1] 马卫平 吕超凡 SUN YingHong;MA WeiPing;LV ChaoFan(The 27th Research Institute of CETC, Zhengzhou 450047, China;Zhengzhou Research Institute of Mechanical Engineering, Zhengzhou 450052, China)

机构地区：[1]中国电子科技集团公司第二十七研究所,郑州450047 [2]郑州机械研究所有限公司,郑州450052

出　　处：《机械强度》2018年第2期494-498,共5页Journal of Mechanical Strength

摘　　要：以水下非接触爆炸环境为研究背景,在论述隔冲原理及粘弹性材料力学特性的基础上,分析了粘弹性复合材料隔冲结构的各种非线性因素,根据物理样机的实际工况,建立了粘弹性复合材料隔冲结构的有限元模型,仿真计算得到了瞬态激励条件下隔冲结构的动力衰减曲线,经试验验证,证明了该隔冲结构的有效性。With the research background of underwater non-contact explosion condition,base on the presenting Shockisolation theory and viscoelastic materials mechanical characteristics,the paper analysis the nonlinear problems of shock-isolation structures of viscoelastic composite materials,and the finite element model of shock-isolation structures based on the actual working conditions of physical prototype is built,the dynamical decay curves of shock-isolation structures in the condition of transient excitation is obtained with simulation,and proves the validity of the shock-isolation structures with experiments.

关 键 词：隔冲结构 粘弹性复合材料 非线性有限元模型 瞬态响应 

分 类 号：TD4[矿业工程—矿山机电]