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工程力学  2014 

基于传递阻抗能量的无基准Lamb波裂纹检测

, PP. 250-256

Keywords: 结构健康监测,Lamb波,模式转换,传递阻抗,无基准,裂纹检测

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Abstract:

该文提出了一种获取压电陶瓷(PZT)传感器间Lamb波传递阻抗的方法,以实现对板结构裂纹的无基准快速检测。该方法从两组并排的PZT元件间提取包含Lamb波转换模式的损伤特征信号,对特征信号进行分类并求出其传递阻抗,通过比较传递阻抗的能量差异来判断裂纹是否存在。首先通过有限元仿真研究了裂纹导致的Lamb波模式转换现象以及PZT极化特性对各模式之间相对相位的影响,分析了所提出的方法的可行性;进一步通过在铝板上的实验验证了该方法的有效性。研究表明该文所提出的方法无需选择最优的激励频率和采样时间即可实现对裂纹的快速检测,具有较强的鲁棒性和适用性。

References

[1]  Boller C. Next generation structural health monitoring and its integration into aircraft design [J]. International Journal of Systems Science, 2000, 31(11): 1333―1349.
[2]  孙虎, 周丽. 基于谱元法的裂纹梁Lamb波传播特性研究[J]. 工程力学, 2012, 29(9): 50―55, 59.
[3]  Sun Hu, Zhou Li. Lamb wave propagation in a cracked beam using spectral finite element method [J]. Engineering Mechanics, 2012, 29(9): 50―55, 59. (in Chinese)
[4]  冯勇明, 周丽. 基于Lamb波和匹配追踪方法的结构损伤定位[J]. 南京航空航天大学报, 2011, 43(2): 184―190.
[5]  Feng Yongming, Zhou Li. Structure damage localization based on lamb waves and matching pursuits [J]. Journal of Nanjing University of Aeronautics and Astronautics, 2011, 43(2): 184―190. (in Chinese)
[6]  Cho Y. Estimation of ultrasonic guided wave mode conversion in a plate with thickness variation [J]. IEEE Transaction on Ultrasonic Ferroelectric and Frequency Control, 2000, 47(3): 591―603.
[7]  Païdoussis M P, Issid N T. Dynamic stability of pipes conveying fluid [J]. Journal of Sound and Vibration, 1974, 33(2): 267―294.
[8]  Ashley H, Haviland G. Bending vibration of a pipe line containing flowing fluid [J]. Journal of Applied Mechanics, 1950, 17(3): 229―232.
[9]  Feodos’ev V P. Vibrations and stability of a pipe when liquid flows through it [J]. Inzhenernyi Sbornik, 1951, 10: 169―170.
[10]  金基铎, 宋志勇, 杨晓东. 两端固定输流管道的稳定性和参数共振[J]. 振动工程学报, 2004, 17(2): 190―195.
[11]  Jin Jiduo, Song Zhiyong, Yang Xiaodong. Stability and parametric resonances of clamped-clamped pipe conveying fluid [J]. Journal of Vibration Engineering, 2004, 17(2): 190―195. (in Chinese)
[12]  吴天新, 陆鑫森. 钻柱内外沿轴向流动的钻井液对钻柱横向振动的影响[J]. 振动与冲击, 1995, 14(2): 1―6.
[13]  Wu Tianxin, Lu Xinsen. The influence of the annular and the internal drilling fluids flowing in axial on the lateral vibrations of a drill collar [J]. Journal of Vibration and Shock, 1995, 14(2): 1―6. (in Chinese)
[14]  郭长青, 刘红涛, 王晓锋, 张楚汉. 输流管道在分布随从力作用下的振动和稳定性[J]. 工程力学, 2010, 27(4): 190―196.
[15]  Guo Changqing, Liu Hongtao, Wang Xiaofeng, Zhang Chuhan. Vibration and stability of pipes conveying fluid with distributed follower force [J]. Engineering Mechanics, 2010, 27(4): 190―196. (in Chinese)
[16]  包日东, 冯颖, 毕文军. 弹性支承输流管道的动力学特性[J]. 机械设计与制造, 2010(3): 129―131.
[17]  Bao Ridong, Feng Ying, Bi Wenjun. Dynamic characteristics of pipeline conveying fluid with elastic supports [J]. Machinery Design & Manufacture, 2010(3): 129―131. (in Chinese)
[18]  Sohn H. Effects of environmental and operational variability on structural health monitoring [J]. Philosophical Transaction of the Royal Society of London A, 2007, 365(1851): 539―560.
[19]  Sohn H, Park H W, Law K H, et al. Combination of a time reversal process and a consecutive outlier analysis for baseline-free damage diagnosis [J]. Journal of Intelligent Material Systems and Structures, 2007, 18(4): 335―346.
[20]  Nichols J M, Seaver M, Trickey S T. A method for detecting damage-induced nonlinearities in structures using information theory [J]. Journal of Sound and Vibration, 2006, 297(1―2): 1―16.
[21]  Bagheri A, Li Kaiyuan, Rizzo P. Reference-free damage detection by means of wavelet transform and empirical mode decomposition applied to Lamb waves [J]. Journal of Intelligent Material Systems and Structures, 2013, 24(2): 194―208.
[22]  王强, 袁慎芳. 无参考主动Lamb波结构损伤时反成像监测方法[J]. 航空学报, 2010, 31(1): 178―183.
[23]  Wang Qiang, Yuan Shenfang. No baseline time reversal imaging method for active lamb wave structural damage monitoring [J]. Acta Aeronautica ET Astronautica Sinica, 2010, 31(1): 178―183. (in Chinese)
[24]  Viktorov I A. rayleigh and lamb waves plenum [M]. New York: Wiley, 1967.
[25]  张光磊, 杜彦良. 智能材料与结构系统[M]. 北京: 北京大学出版社, 2010: 59―61.
[26]  Zhang Guanglei, Du Yanliang. Smart materials and structural systems [M]. Beijing: Peking University Press, 2010: 59―61. (in Chinese)
[27]  Giurgiutiu V. Tuned lamb wave excitation and detection with piezoelectric wafer active sensors for structural health monitoring [J]. Journal of Intelligent Material Systems and Structures, 2005, 16(4): 291―305.
[28]  Kim S B, Sohn H. Instantaneous reference-free crack detection based on polarization characteristics of piezoelectric materials [J]. Smart Materials and Structures, 2007, 16(6): 2375―2387.
[29]  Soni S, Das S, Banerjee S, et al. Simulation of damage-features in complex joint using guided waves [C]// Proc. SPIE 6926, Modeling, Signal Processing, and Control for Smart Structures 2008, 69260O (April 03, 2008); doi:10.1117/12.776468.
[30]  严刚. 基于应力波和时频分析的复合材料结构损伤监测和识别[D]. 南京: 南京航空航天大学, 2005: 9―16.
[31]  Yan Gang. Damage detection and identification for composites using stress waves and time-frequency analysis [D]. Nanjing: Nanjing University of Aeronautics and Astronautics, 2005: 9―16. (in Chinese) (上接第238页)
[32]  金基铎, 杨晓东, 尹峰. 两端铰支输流管道在脉动内流作用下的稳定性和参数共振[J]. 航空学报, 2003, 24(4): 317―322.
[33]  Jin Jiduo, Yang Xiaodong, Yin Feng. Stability and parametric resonances of a pinned-pinned pipe conveying pulsating fluid [J]. Acta Aeronautica Et Astronautica Sinica, 2003, 24(4): 317―322. (in Chinese)
[34]  Wiggert D C, Tijsseling A S. Fluid transients and fluid-structure interaction in flexible liquid-filled piping [J]. Applied Mechanics Reviews, 2001, 54(5): 455―481.

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