Localization of a breathing crack using nonlinear subharmonic response signals

F. Semperlotti; K. W. Wang; Edward Smith

doi:10.1063/1.3275705

Localization of a breathing crack using nonlinear subharmonic response signals

F. Semperlotti, K. W. Wang, Edward Smith

Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

The experimental validation of a structural health monitoring system based on the peculiar nonlinear dynamic response of cracked structures is proposed in this letter. The higher order harmonic response signal is a technique which allows detecting the location of a breathing crack taking advantage of the nonlinear dynamic response proper of a cracked structure. The experimental results show that information carried by the nonlinear harmonics allow detecting the structural damage without requiring a baseline signal of the healthy structure.

Original language	English (US)
Article number	254101
Journal	Applied Physics Letters
Volume	95
Issue number	25
DOIs	https://doi.org/10.1063/1.3275705
State	Published - Dec 1 2009

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3275705

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abstract = "The experimental validation of a structural health monitoring system based on the peculiar nonlinear dynamic response of cracked structures is proposed in this letter. The higher order harmonic response signal is a technique which allows detecting the location of a breathing crack taking advantage of the nonlinear dynamic response proper of a cracked structure. The experimental results show that information carried by the nonlinear harmonics allow detecting the structural damage without requiring a baseline signal of the healthy structure.",

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Localization of a breathing crack using nonlinear subharmonic response signals

Abstract

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