敷设超弹性材料夹层板在内爆载荷作用下响应研究  

Response of sandwich plate with hyperelastic material under loading of explosive inside closed cabin

作　　者：陈攀[1] 

机构地区：[1]中国舰船研究设计中心船舶振动噪声重点实验室,湖北武汉430064

出　　处：《兵器材料科学与工程》2017年第3期108-114,共7页Ordnance Material Science and Engineering

摘　　要：在通过实验验证数值方法计算舱室内爆载荷及结构在冲击载荷作用下响应可靠性的基础上,以舱室典型加筋板优化后的夹层板为对象,采用非线性数值方法计算在不同位置敷设超弹性材料及相同面密度橡胶夹层板在内爆载荷作用下的位移、速度及加速度响应,并对夹层板吸能进行探讨。从计算结果可知:填充超弹性材料可有效减小舱室内爆载荷作用下夹层板的响应振荡峰值;面板敷设超弹性材料可更好地提高夹层板的抗爆性能;橡胶层会延长夹层板的响应周期,随橡胶层厚度的增加,夹层板响应周期更加持久,面板与背板的加速度差逐渐减小。Numerical method in evaluating the blast loading inside cabin and response of stiffened plates under explosion loading were validated by comparing the experimental data. Based on optimized sandwich panel from typical stiffened plate, the response of sandwich plate with hyperelastic material inside and sandwich plates with same areal density under blast loading inside closed cabin were computed by non-linear numerical analysis. The acceleration, velocity and deformation response of square hole honeycomb sandwich plate with hyperelastic material were analyzed, and energy absorption of sandwich plate with hyperelastic material were also analyzed. The numerical results show that sandwich plate has low peak response under blast loading with hyperelastic material inside. The sandwich plate with hyperelastic material lay front panel has better anti-shock capability. The sandwich plate with hyperelastic material layer inside has long response oscillating period and the oscillating period of sandwich plate with thicker hyperelastic material layer inside becomes longer and the relative deformation between front panel and back panel is lower.

关 键 词：超弹性材料 舱室内爆 夹层板 响应 

分 类 号：O382[理学—流体力学]