Numerical simulation of airliner cabin door under explosion impact loading and reinforcement experiment
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摘要: 运用理论分析、数值模拟、模型实爆试验相结合的方法, 对客机舱门门边结构和受力状态进行分析, 得到了描述舱门门边受力部位的力学模型。针对门边受力部位承受爆炸冲击载荷下的状态, 运用ABAQUS有限元软件的Explicit模块进行数值模拟, 分析了门边加固的必要性和加固难点, 提出了舱门门边的加固措施, 并对实爆试验与数值模拟结果进行了对比。研究结果表明: 原型客机舱门门边不能承受爆炸冲击力, 必须加固; 加固所用的减压板平均厚度应为5mm, 加强板平均厚度为6mm, 加固件总质量为3.98kg, 加固措施有效。Abstract: A combination method of theoretical analysis, numerical simulation and model explosion test was used, the structure and stress state of airliner cabin door edge were analyzed, and the mechanical model was set up to describe the forced location of cabin door edge. Aimed at the forced location of door edge subjected to explosion impact loading, numerical simulation was put up by using the Explicit module of finite element software ABAQUS. The necessity and difficulties of door edge reinforcement were analyzed, reinforcement measures were proposed, and the results of explosion test and numerical simulation were compared. Analysis result shows that airliner cabin door edge cann't bear explosion impact loading, and must be reinforced. The mean thickness of pressure-reducing plates is 5 mm, the mean thickness of reinforcement plates is 6 mm, the total weight of reinforced members is 3.98 kg, and reinforcement measure is effective.
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Key words:
- airliner cabin door /
- impact loading /
- numerical simulation /
- reinforcement measure /
- explosion test
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[1] NEUBERGER A, P ELES S, R ITTEL D. Scaling the response of circular plates subjected to large and close-range spherical explosions. Part Ⅰ: air-blast loading[J]. International Journal of Impact Engineering, 2007, 34(5): 859-873. doi: 10.1016/j.ijimpeng.2006.04.001 [2] BOYD S D. Acceleration of a plate subject to explosive blast loading-trial results[R]. Victoria: DSTO Aeronautical and Maritime Research Laboratory, 2004. [3] KIM K C, FRIES J C. Dynamic response analysis of GR/ EP composite panels under blast wave pressure loading[C] // AIAA. 46th AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics & Materials Conference, AIAA 2005-1838. Austin: AIAA, 2005: 469-482. [4] 饶国宁, 陈网桦, 胡毅亭, 等. 不同炸药的爆炸载荷对目标靶板作用的数值模拟[J]. 火炸药学报, 2007, 30(4): 9-12. doi: 10.3969/j.issn.1007-7812.2007.04.003RAO Guo-ning, CHEN Wang-hua, HU Yi-ting, et al. Numerical simulation of the effect of blast loading of different explosives on a target[J]. Chinese Journal of Explosives &Propellants, 2007, 30(4): 9-12. (in Chinese) doi: 10.3969/j.issn.1007-7812.2007.04.003 [5] 王礼立. 爆炸力学数值模拟中本构建模问题的讨论[J]. 爆炸与冲击, 2003, 23(2): 97-104. doi: 10.3321/j.issn:1001-1455.2003.02.001WANG Li-li. On constitutive modeling in numerical simulation of explosion mechanics[J]. Explosion and Shock Waves, 2003, 23(2): 97-104. (in Chinese) doi: 10.3321/j.issn:1001-1455.2003.02.001 [6] 时党勇, 刘永存, 徐建华. 爆炸力学中的数值模拟技术[J]. 工程爆破, 2005, 11(2): 10-13. doi: 10.3969/j.issn.1006-7051.2005.02.003SHI Dang-yong, LIU Yong-cun, XU Jian-hua. Numerical simulation technology of explosive mechanics[J]. Engineering Blasting, 2005, 11(2): 10-13. (in Chinese) doi: 10.3969/j.issn.1006-7051.2005.02.003 [7] 王兵, 龙源, 马海洋, 等. 非金属材料抗爆性能试验研究[J]. 爆破器材, 2010, 39(1): 37-40. doi: 10.3969/j.issn.1001-8352.2010.01.013WANG Bing, LONG Yuan, MA Hai-yang, et al. Tests on the explosion resistance capacity of non-metallic material[J]. Explosive Materials, 2010, 39(1): 37-40. (in Chinese) doi: 10.3969/j.issn.1001-8352.2010.01.013 [8] 徐定海, 王善, 杨世全. 板壳结构接触爆炸数值仿真分析[J]. 哈尔滨工程大学学报, 2006, 27(1): 53-56. https://www.cnki.com.cn/Article/CJFDTOTAL-HEBG200601010.htmXU Ding-hai, W ANG Shan, YANG Shi-quan. Numerical simulation analysis of contiguous explosion for plate-shell structure[J]. Journal of Harbin Engineering University, 2006, 27(1): 53-56. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-HEBG200601010.htm [9] ZHAO Hai-bo, YE Guo-zhuang, ZHANG Jian, et al. Numerical simulation of responses structure to explosive shock loading[J]. Journal of Shenyang Institute of Technology, 1997, 16(3): 39-45. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-BLDS202005002.htm [10] JIN Guang-qian, LIU Ying, XU Quan-jun, et al. Research on simulating and tesing on blasting noise of many linear shaped charge cutters[C] //China Ordnance Society. 8th International Symposium on Test & Measurement. Chongqing: International Academic Publishers Ltd., 2009: 540-544. [11] LIU Ying, LONG Yuan, JIN Guang-qian, et al. Study on application of wavelet and fractal theory on blasting seismic effect[C] //China Ordnance Society. 8th International Symposium on Test & Measurement. Chongqing: International Academic Publishers Ltd., 2009: 509-513. -
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