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爆炸冲击波作用下预制孔靶板塑性变形规律的研究

DOI: 10.11858/gywlxb.2014.06.013, PP. 723-728

Keywords: 爆炸冲击波,预制孔靶板,挠度,数值计算

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Abstract:

利用非线性动力学软件AUTODYN,对爆炸冲击波作用下无孔及预制孔靶板的塑性变形进行了数值模拟,获得了不同孔数、孔径情况下靶板中心点挠度的变化规律;设计了模型实验,其结果与数值结果符合较好;并以爆炸冲击波作用下无孔靶板中心点挠度计算公式和数值计算结果为基础,通过拟合给出了预制孔靶板中心点挠度与孔密度、孔径之间的函数关系,该关系可为有孔平板目标的毁伤评估及破片、冲击波对平板目标联合毁伤研究提供参考。

References

[1]  王芳, 冯顺山, 俞为民. 爆炸冲击波作用下靶板的塑性大变形响应研究 [J]. 中国安全科学学报, 2003, 13(3): 59-61.
[2]  Jones N, Uran T O, Tekin S A. The dynamic plastic behavior of fully clamped rectangular plates [J]. Int J Solids Structures, 1970(6): 1499-1512.
[3]  He J, Xiao Y F, Chen Z Y, et al. Plastic limited deformation analysis of the clamped steel plate subjected to air non-contact explosions[J]. Journal of Harbin Institute of Technology, 2007, 39(2): 310-312. (in Chinese)
[4]  何建, 肖玉凤, 陈振勇, 等. 空爆载荷作用下固支矩形钢板的塑性极限变形 [J]. 哈尔滨工业大学学报, 2007, 39(2): 310-312.
[5]  Nurick G N, Martin J B. Deformation of thin plates subjected to impulsive loading [J]. Int J Impact Eng, 1989, 8(2): 159-169.
[6]  Wang F, Feng S S, Yu W M. Study on large plastic deformation response of target plate under explosive blast wave [J]. China Safety Science Journal, 2003, 13(3): 59-61. (in Chinese)
[7]  Chung Kim Yuen S, Nurick G N, Versterb W, et al. Deformation of mild steel plates subjected to large-scale explosions [J]. Int J Impact Eng, 2008, 35(8): 684-703.
[8]  Shi L, Du X L, Fan X. A study on the mesh generation method for numerical simulation of blast wave [J]. Journal of Beijing Polytechnic University, 2010, 36(11): 1465-1470. (in Chinese)
[9]  石磊, 杜修力, 樊鑫. 爆炸冲击波数值计算网格划分方法研究 [J]. 北京工业大学学报, 2010, 36(11): 1465-1470.
[10]  Century Dynamics Inc. AUTODYN Theory Manual R4.3 [M]. Concord, California, 2005.
[11]  Chen Y, Wang Z S, Mi S S. Simulation and assessment of target plates damage by shock wave of certain explosion [J]. Journal o f Ordnance Engineering College, 2009, 21(1): 10-14. (in Chinese)
[12]  陈燕, 王振生, 米双山. 爆炸冲击波对靶板的损伤仿真与评估研究 [J]. 军械工程学院学报, 2009, 21(1): 10-14.
[13]  Zhang S C, Mi S S. Researching of fluid-solid coupling arithmetic in target damnifying by explosive shock wave [J]. Science Technology and Engineering, 2008, 8(7): 1655-1660. (in Chinese)
[14]  张世臣, 米双山. 爆炸冲击波损伤靶板问题中的流固耦合算法 [J]. 科学技术与工程, 2008, 8(7): 1655-1660.

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