爆炸与冲击2017，Vol.37Issue(3)：510-519,10.DOI:10.11883/1001-1455(2017)03-0510-10
陶瓷/液舱复合结构抗侵彻数值分析
Numerical analysis of penetration resistance of ceramic/fluid cabin composite structure
摘要
Abstract
To study the mechanism behind the penetration resistance capability of the ceramic/fluid cabin composite structure,numerical simulation was carried out using LS-DYNA to represent the structure's failure process and modes under the impact of the projectile,and results were obtained that agree well with those from the experiment.The results show that the shockwave generated at the impact point of the structure propagated forward spherically,and bounced and oscillated back and forth in the structure.Cavity was generated in the water and constantly grew,and there was an area of high pressure in front of the projectile when the projectile was moving in the water.The projectile mainly exhibited coarse and erosive damage,and the damage mainly occurred in the process of the projectile penetrating the ceramic and the front plate at low velocities and in the water at high velocities,eventually forming approximately bake-shaped serious deformation.The front and back plates mainly suffered local failure and overall deformation,while petal-shaped cracking occurred in the back plate under high-velocity impact.关键词
破坏模式/陶瓷/穿甲Key words
failure mode/ceramic/penetration分类
数理科学引用本文复制引用
仲强,侯海量,朱锡,李典..陶瓷/液舱复合结构抗侵彻数值分析[J].爆炸与冲击,2017,37(3):510-519,10.基金项目
国家自然科学基金项目(51209211) （51209211）
