| 近距离爆炸下不同厚度靶板的动态响应分析 |
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| 引用本文： | 吴义田,张庆明.近距离爆炸下不同厚度靶板的动态响应分析[J].北京理工大学学报,2007,27(7):568-571. |
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| 作者姓名： | 吴义田 张庆明 |
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| 作者单位： | 北京理工大学,爆炸科学与技术国家重点实验室,北京,100081;北京理工大学,爆炸科学与技术国家重点实验室,北京,100081 |
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| 摘 要： | 运用量纲分析得到影响近距离爆炸下靶板动力响应的独立变量,通过动力有限元分析软件LS-DYNA中流固耦合算法,对一定药量TNT的球形装药的爆炸过程进行数值仿真.利用数值分析的优势,在装药量与作用距离不变的情况下,通过改变金属靶板厚度得到靶板的挠度峰值与厚度、靶板的速度峰值与靶板厚度的倒数均呈线性关系.
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| 关 键 词： | 近距离爆炸 数值模拟 流-固耦合 |
| 文章编号： | 1001-0645（2007）07-0568-04 |
| 收稿时间： | 2006/10/26 0:00:00 |
| 修稿时间： | 2006-10-26 |
Dynamic Response of Plates of Varied Thickness Subjected to Close Range Explosion |
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| WU Yi-tian and ZHANG Qing-ming.Dynamic Response of Plates of Varied Thickness Subjected to Close Range Explosion[J].Journal of Beijing Institute of Technology(Natural Science Edition),2007,27(7):568-571. |
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| Authors: | WU Yi-tian and ZHANG Qing-ming |
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| Institution: | State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology,. Beijing 100081, China |
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| Abstract: | With dimensional analysis on plates subjected to close range explosion,key factors influencing the dynamic response of plates are determined.The explosion process of the given TNT sphere is simulated by the flow-solid coupling algorithm applying the finite element analysis software LS-DYNA.Utilizing the priorities of numerical simulation,the thickness of the plates is varied so that the peak value of flexibility is linear with the thickness of the plates,however,the peak value of velocity is linear with the reciprocal thickness of the plates. |
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| Keywords: | close range explosion numerical simulation flow-solid coupling |
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