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变刚度复杂梁结构损伤检测方法研究

冯侃 励争 高桂云 苏先樾

冯侃, 励争, 高桂云, 苏先樾. 变刚度复杂梁结构损伤检测方法研究[J]. 应用数学和力学, 2011, 32(4): 445-454. doi: 10.3879/j.issn.1000-0887.2011.04.007
引用本文: 冯侃, 励争, 高桂云, 苏先樾. 变刚度复杂梁结构损伤检测方法研究[J]. 应用数学和力学, 2011, 32(4): 445-454. doi: 10.3879/j.issn.1000-0887.2011.04.007
FENG Kan, LI Zheng, GAO Gui-yun, SU Xian-yue. Damage Detection Method in Complicated Beams With Varying Flexural Stiffness[J]. Applied Mathematics and Mechanics, 2011, 32(4): 445-454. doi: 10.3879/j.issn.1000-0887.2011.04.007
Citation: FENG Kan, LI Zheng, GAO Gui-yun, SU Xian-yue. Damage Detection Method in Complicated Beams With Varying Flexural Stiffness[J]. Applied Mathematics and Mechanics, 2011, 32(4): 445-454. doi: 10.3879/j.issn.1000-0887.2011.04.007

变刚度复杂梁结构损伤检测方法研究

doi: 10.3879/j.issn.1000-0887.2011.04.007
基金项目: 国家重点基础研究发展计划(973计划)资助项目(2007CB714603)
详细信息
    作者简介:

    冯侃(1985- ),男,江苏人,博士生(E-mail:campbell-feng@126.com);励争(1964- ),女,教授(联系人.E-mail:lizheng@pku.edu.cn).

  • 中图分类号: O321;O327

Damage Detection Method in Complicated Beams With Varying Flexural Stiffness

  • 摘要: 提出了适用于复杂梁结构损伤检测的子段模态应变能法SSEM(subsectionstrainenergymethod),并分析了该方法的适用性条件.通过对变截面梁的有限元计算,以及对纤维增强复合材料风机叶片缩比模型的试验分析,验证了SSEM方法确定的结构损伤指标对损伤准确定位的可靠性.该基于振动的变刚度复杂梁结构的损伤检测方法,可应用于工程实际中梁和类梁整体结构的损伤检测.
  • [1] Farrar C R, Doebling S W. An overview of modal-based damage identification methods[C]Proceedings of the DAMAS Conference,Sheffield, UK,1997.
    [2] Ratcliffe C P. Damage detection using a modified Laplacian operator on mode shape data[J]. Journal of Sound and Vibration, 1997, 204(3): 505-517. doi: 10.1006/jsvi.1997.0961
    [3] Yoon M K, Heider D, Gillespie J W, Ratcliffe C P, Crane R M. Local damage detection using the two-dimensional gapped smoothing method[J]. Journal of Sound and Vibration, 2005, 279(1/2): 119-139. doi: 10.1016/j.jsv.2003.10.058
    [4] Wang J L,Qiao P Z. Improved damage detection of beam-type structures using uniform load surface[J]. Structure Health Monitor, 2007, 6(2): 99-110. doi: 10.1177/1475921706072062
    [5] Fan W, Qiao P Z. A 2-D continuous wavelet transform of mode shape data for damage detection of plate structures[J]. International Journal of Solids and Structures, 2009, 46(25/26): 4379-4395. doi: 10.1016/j.ijsolstr.2009.08.022
    [6] Chen H G, Yan Y J, Jiang J S. Vibration-based damage detection in composite wingbox structures by HHT[J]. Mechanical Systems and Signal Processing, 2007, 21(1): 307-321. doi: 10.1016/j.ymssp.2006.03.013
    [7] Ghoshal A, Sundaresan M J, Schulz M J, Pai P F. Structural health monitoring techniques for wind turbine blades[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2000, 85(3): 309-324. doi: 10.1016/S0167-6105(99)00132-4
    [8] Stubbs N, Kim J T, Farrar C R. Field verification of a nondestructive damage localization and sensitivity estimator algorithm[C]Proceedings of the 13th International Modal Analysis Conference. Nashville, Tennessee, USA, 1995: 210-218.
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  • 被引次数: 0
出版历程
  • 收稿日期:  2011-01-25
  • 修回日期:  2011-02-21
  • 刊出日期:  2011-04-15

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