IMECH-IR  > 流固耦合系统力学重点实验室
Alternative TitleA coupling model for computing plasma pressure induced by laser shock peening
吴先前; 段祝平; 黄晨光; 宋宏伟
Source Publication爆炸与冲击
Other AbstractPressure profile of plasma is one of the most important factors for the effects of laser shock peening. In the present research, a one-dimensional coupling model for computing plasma pressure is established based on energy conservation condition in the system, in which the interface vaporization velocity and the nonlinear relationship between the shock pressure and the surface particle velocity are considered. Then, the explicit difference program and the LS-DYNA package are used to calculate the plasma pressure for different laser power density with given time-history profile. The simulation results show a good agreement with the experimental results, which indicates the consistency of the analytical model. Therefore, an effective method is provided to predict the plasma pressure induced by laser shock peening.
Keyword流体力学 蒸气等离子体压力 耦合计算模型 激光冲击强化 质点速度 界面烧蚀
Subject Area冲击动力学
Indexed ByCSCD ; EI
Funding Organization国家自然科学基金项目(10972228,11002150,91016025); 中国科学院科研装备研制项目(YZ200930)
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Document Type期刊论文
Corresponding Author黄晨光
Recommended Citation
GB/T 7714
吴先前,段祝平,黄晨光,等. 激光冲击强化过程中蒸气等离子体压力计算的耦合模型[J]. 爆炸与冲击,2012,32(1):1-7.
APA 吴先前,段祝平,黄晨光,&宋宏伟.(2012).激光冲击强化过程中蒸气等离子体压力计算的耦合模型.爆炸与冲击,32(1),1-7.
MLA 吴先前,et al."激光冲击强化过程中蒸气等离子体压力计算的耦合模型".爆炸与冲击 32.1(2012):1-7.
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