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The location of defects in structures from measurements of natural frequencies
Abstract
A method of non-destructively assessing the integrity of structures using measurements of the structural natural frequencies is described. It is shown how measurements made at a single point in the structure can be used to detect, locate and quantify damage. The scheme presented uses finite-element analysis, since this method may be used on any structure. The principle may, however, be used in conjunction with other mathematical techniques. Only one full analysis is required for each type of structure. Results are presented from tests on an aluminium plate and a cross-ply carbon-fibre-reinforced plastic plate. Excellent agreement is shown between the predicted and actual damage sites and a useful indication of the magnitude of the defect is obtained.
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Citations
Cited by
Detection of structural damage through changes in frequency: a review
Salawu, O. S. (1997) · Engineering Structures · doi:10.1016/s0141-0296(96)00149-6 · Cited by 2,080
Vibration Based Condition Monitoring: A Review
Carden, E. P., & Fanning, P. (2004) · Structural Health Monitoring · doi:10.1177/1475921704047500 · Cited by 1,543
Optimization of sensor placement for structural health monitoring: a review
Ostachowicz, W., Soman, R., & Malinowski, P. (2019) · Structural Health Monitoring · doi:10.1177/1475921719825601 · Cited by 388
Damage detection by finite element model updating using modal flexibility residual
Jaishi, B., & Ren, W.-X. (2006) · Journal of Sound and Vibration · doi:10.1016/j.jsv.2005.04.006 · Cited by 320
Vibration‐based structural state identification by a 1‐dimensional convolutional neural network
Zhang, Y., Miyamori, Y., Mikami, S., & Saito, T. (2019) · Computer-Aided Civil and Infrastructure Engineering · doi:10.1111/mice.12447 · Cited by 303
Metadata
- Authors
- Cawley, P., & Adams, R. D.
- Venue
- The Journal of Strain Analysis for Engineering Design
- Publisher
- SAGE Publications
- Published
- 1979-04-01
- Volume
- 14
- Issue
- 2
- Pages
- 49-57
- ISSN
- 0022-4758 (ISSN-L)
- 0309-3247
- 2041-3130
- OpenAlex
- W2123205431
- Cited by
- 1,439
- References
- 0
- FWCI
- 17.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The location of defects in structures from measurements of natural frequencies. https://app.cochat.ai/papers/10.1243/03093247v142049
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- Cawley, P., & Adams, R. D. (1979). The location of defects in structures from measurements of natural frequencies. The Journal of Strain Analysis for Engineering Design. https://doi.org/10.1243/03093247v142049
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
