Damage threshold and damage time of cylindrical shells with inner pressure under intensive laser loading

被引：0

作者：

Guo, Shao-Feng ^{[1
]}

Lu, Qi-Sheng ^{[1
]}

Chen, Jin-Bao ^{[1
]}

Cheng, Xiang-Ai ^{[1
]}

Jiang, Hou-Man ^{[1
]}

机构：

[1] Inst. of Sci., Natl. Univ. of Defense Technol., Changsha 410073, China

来源：

Zhongguo Jiguang/Chinese Journal of Lasers | 2002年 / 29卷 / 09期

关键词：

Finite element method - Laser damage - Mathematical models - Pressure;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Damage mechanism of shells with inner pressure that are exposed to high power CW CO2 laser is studied here. The physics model and numerical solution model of thermal and mechanical responding is described. The finite element method is used to simulate nonlinear temperature and stress profile. Two types of shells are considered and the laser power density is varied from 400 W/cm2. to 1500 W/cm2. The damage times are presented and the damage areas are plotted.

引用

页码：783 / 786

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