Journal article
Transmissibility-based damage detection using angular velocity versus acceleration
Journal of Civil Structural Health Monitoring, Vol.8(4), pp.649-659
09/2018
DOI: 10.1007/s13349-018-0297-0
Abstract
This work presents a new damage-detection approach for structural systems that uses the transmissibility and coherence functions of the output angular velocity between two points on the structure, at locations where damage may occur, to generate a damage index as a metric of the changes in the dynamic integrity of the structure. The efficacy of the proposed damage index as compared to that based on the traditional transmissibility of acceleration was tested on straight beams. The experimental and numerical results showed that the new damage index outperformed that based on acceleration by multiple levels in terms of detecting and localizing damage. The experimental results also showed that the proposed damage index using gyroscopes was much less sensitive to the environmental acoustic noises under consideration (65–85 dB) when compared with the damage index based on the acceleration.
Details
- Title: Subtitle
- Transmissibility-based damage detection using angular velocity versus acceleration
- Creators
- Samer Al-Jailawi - 0000 0004 1936 8294 grid.214572.7 Department of Civil and Environmental Engineering The University of Iowa Iowa City IA USASalam Rahmatalla - 0000 0004 1936 8294 grid.214572.7 Department of Civil and Environmental Engineering The University of Iowa, 4121 Seamans Center for the Engineering Arts and Sciences Iowa City IA 52242 USA
- Resource Type
- Journal article
- Publication Details
- Journal of Civil Structural Health Monitoring, Vol.8(4), pp.649-659
- DOI
- 10.1007/s13349-018-0297-0
- ISSN
- 2190-5452
- eISSN
- 2190-5479
- Publisher
- Springer Berlin Heidelberg; Berlin/Heidelberg
- Language
- English
- Date published
- 09/2018
- Academic Unit
- Roy J. Carver Department of Biomedical Engineering; Civil and Environmental Engineering; Injury Prevention Research Center
- Record Identifier
- 9983991957002771
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