Spectral algorithm for non-destructive damage localisation: Application to an ancient masonry arch model
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- 作者：Maria-Giovanna Masciottaa ; mg.masciotta@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Luí ; s F. Ramosa ; lramos@civil.uminho.pt" class="auth_mail" title="E-mail the corresponding author ; Paulo B. Lourenç ; oa ; pbl@civil.uminho.pt" class="auth_mail" title="E-mail the corresponding author ; Marcello Vastab ; mvasta@unich.it" class="auth_mail" title="E-mail the corresponding author
- 关键词：Non-destructive damage localisation ; Eigenvalue decomposition ; Spectral-based method ; Historical structures ; Masonry arch
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：84
- 期：part_PA
- 页码：286-307
- 全文大小：3810 K
文摘
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A spectral-based damage identification algorithm is validated experimentally.
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Multiple damage scenarios are statically induced on a masonry arch replica.
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The spectral properties of the system are analysed over different damage scenarios.
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Cracks are detected and located through a spectral-based damage index.
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The sensitivity of the spectral formulation to noisy modal data is investigated.