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Li, Y.Q., Xiang, Z.H. and Cen, Z.Z. (2009) Study on the Damage Sensitivity of Dynamic Properties of Cantilever Beams. Engineering Mechanics, 26, 17-23.

has been cited by the following article:

  • TITLE: Fiber Bragg Grating Strain Sensing Detecting Multi-Crack Damages under Vibrating Status

    AUTHORS: Pei Luo

    KEYWORDS: Vibration, Fiber Bragg Grating Strain Sensing Array, Simple Supported Beam, Damage Detection, Resonant Frequency

    JOURNAL NAME: Optics and Photonics Journal, Vol.7 No.8B, August 10, 2017

    ABSTRACT: The multi-crack damages modal of simple supported beam has been build, at the vibrating status, the multi-damage detecting method of simple supported beam measured by fiber Bragg grating strain sensing array has been studied. From 0 hz to 200 hz, using exciter vibrating simple supported beam, with different damages, resonant frequency of simple supported beam has changed. So, when the damage appears in simple supported beam, the local rigidity will decrease, the resonant frequency of simple supported beam will be affected, the damage status of simple supported beam have been determined by this. The experimental result indicates that the resonant frequency of simple supported beam has changed when there is no damage, one damage, two damages, three damages on simple supported beam. According to this, the fiber Bragg grating strain sensing array can detect multi-crack damage of simple supported beam under vibrating status.