A Summary Review of Vibration-Based Damage Identification Methods (1998)
| Venue: | Identification Methods,” The Shock and Vibration Digest |
| Citations: | 20 - 1 self |
BibTeX
@ARTICLE{Doebling98asummary,
author = {Scott W. Doebling and Charles R. Farrar and Michael B. Prime},
title = {A Summary Review of Vibration-Based Damage Identification Methods},
journal = {Identification Methods,” The Shock and Vibration Digest},
year = {1998},
volume = {30},
pages = {91--105}
}
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Abstract
This paper provides an overview of methods to detect, locate, and characterize damage in structural and mechanical systems by examining changes in measured vibration response. Research in vibration-based damage identification has been rapidly expanding over the last few years. The basic idea behind this technology is that modal parameters (notably frequencies, mode shapes, and modal damping) are functions of the physical properties of the structure (mass, damping, and stiffness). Therefore, changes in the physical properties will cause detectable changes in the modal properties. The motivation for the development of this technology is presented. The methods are categorized according to various criteria such as the level of damage detection provided, model-based vs. non-model-based methods and linear vs. nonlinear methods. The methods are also described in general terms including difficulties associated with their implementation and their fidelity. Past, current and future-planned applications of this technology to actual engineering systems are summarized. The paper concludes with a discussion of critical issues for future research in the area of vibration-based damage identification.
