摘要
采用动力有限元显式积分程序,对承受内压、在侧面受到激光辐照的圆柱壳的热 力学响应进行了数值模拟,展现了圆柱壳热软化、鼓包和爆裂的动态失效过程。获得的柱壳失效方式与实验现象基本吻合;还给出了不同内压作用下柱壳的破坏时间,获得一些定性的认识。
Thermal and mechanical response of the internally pressured cylindrical shell under laser irradiation is analyzed by FEM/Explicit, and the dynamic failure phenomena, including thermal softening, ablation and bursting, are simulated. The failure model of the shell calculated by FEM is agreement well with the experimental observation. The failure time with different internal pressures has been computed.
出处
《爆炸与冲击》
EI
CAS
CSCD
北大核心
2004年第6期487-492,共6页
Explosion and Shock Waves
基金
国家高技术研究发展计划项目
中国工程物理研究院基金项目(42105)
关键词
固体力学
爆裂
有限元
柱壳
激光辐照
Computer simulation
Cylinders (shapes)
Finite element method
Laser damage
Shells (structures)
