冲击波作用下单层钢化玻璃抗爆性能的数值模拟研究

doi:10.3969/j.issn.1000-1093.2017.07.019

兵工学报 ›› 2017, Vol. 38 ›› Issue (7): 1402-1408.doi: 10.3969/j.issn.1000-1093.2017.07.019

冲击波作用下单层钢化玻璃抗爆性能的数值模拟研究

刘俊¹，田宙²，钟巍^2,3，谢淑红¹

(1.湘潭大学材料科学与工程学院，湖南湘潭 411105； 2.西北核技术研究所，陕西西安 710024；3.北京大学数学科学学院, 北京 100871）

收稿日期:2016-10-24 修回日期:2016-10-24 上线日期:2018-04-12
通讯作者: 田宙（1967—），男，研究员，博士生导师 E-mail:tianzh2003@163.com
作者简介:刘俊（1991—），男，硕士研究生。E-mail: 201431101263@smail.xtu.edu.cn

Numerical Investigations on Blast Resistance of Monolithic Tempered Glass Subjected to Shock Wave

LIU Jun¹, TIAN Zhou², ZHONG Wei^2,3, XIE Shu-hong¹

(1.School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105,Hunan, China;2. Northwest Institute of Nuclear Technology, Xi'an 710024, Shaanxi, China;3. School of Mathematical Sciences, Peking University, Beijing 100871, China)

Received:2016-10-24 Revised:2016-10-24 Online:2018-04-12

摘要/Abstract

摘要： 借助通用显式动力分析程序LS-DYNA软件平台，采用拉格朗日方法描述钢化玻璃，增加侵蚀算法来模拟钢化玻璃的破坏。钢化玻璃采用线弹性材料模型，通过建立的模型研究单层钢化玻璃在爆炸冲击波作用下的动态响应。利用场地试验结果对数值模型进行验证，证明了此模型的合理性。用已验证的模型对单层钢化玻璃在爆炸冲击波作用下进行数值模拟，得到一组单层钢化玻璃破坏的超压冲量临界点。通过数值模拟结果得到了爆炸冲击波对单层钢化玻璃损伤的超压-冲量曲线，进一步推导出了单层钢化玻璃损伤超压-冲量曲线的经验公式，并与数值结果进行比对，具有很好的吻合性。研究表明，得到的超压-冲量曲线及经验公式可以为单层钢化玻璃抗爆设计提供有价值的参考。

关键词: 爆炸力学, 单层钢化玻璃, 数值模拟, 超压-冲量曲线

Abstract: Based on LS-DYNA, the Lagrange method is used to describe the monolithic tempered glass. The linear elastic material model and the erosion algorithm are used to study the monolithic tempered glass. The numerical model is well validated by the field experimental results. The overpressure-impulse curve of blast wave on monolithic tempered glass is obtained through the huge numerical simulation based on the validated model. The empirical formula of damage curve of monolithic tempered glass is also deduced, and the numerical results are compared to the experimental results. The research result shows that the numerical results have good agreement with the experimental results, and the overpressure-impulse curve can provide effective reference for blast resistant design of tempered glass. Key

Key words: explosionmechanics, monolithictemperedglass, numericalsimulation, overpressure-impulsecurve

中图分类号:

O383⁺.3

刘俊，田宙，钟巍，谢淑红. 冲击波作用下单层钢化玻璃抗爆性能的数值模拟研究[J]. 兵工学报, 2017, 38(7): 1402-1408.

LIU Jun, TIAN Zhou, ZHONG Wei, XIE Shu-hong. Numerical Investigations on Blast Resistance of Monolithic Tempered Glass Subjected to Shock Wave[J]. Acta Armamentarii, 2017, 38(7): 1402-1408.

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冲击波作用下单层钢化玻璃抗爆性能的数值模拟研究

Numerical Investigations on Blast Resistance of Monolithic Tempered Glass Subjected to Shock Wave

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