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Similarity-based damage detection method: Numerical study
- Authors
- Min, C.H.; Kim, H.W.; Oh, J.W.; Cho, S.G.; Sung, K.Y.; Yeu, T.K.; Hong, S.; Yoon, S.M.; Kim, J.H.
- Issue Date
- 2017
- Publisher
- Springer Verlag
- Keywords
- Cosine similarity; Damage detection; Damage index; Offshore structure; Structural health monitoring
- Citation
- Lecture Notes in Electrical Engineering, v.415 LNEE, pp 428 - 435
- Pages
- 8
- Journal Title
- Lecture Notes in Electrical Engineering
- Volume
- 415 LNEE
- Start Page
- 428
- End Page
- 435
- ISSN
- 1876-1100
- Abstract
- The main objective of this paper is to develop a new damage detection method. The newly developed damage detection method uses natural frequencies change ratios between non damaged structures and damaged structures. Two parameters, cosine similarity and magnitude index, are considered to estimate location and severity of the damage in the structure. A numerical example, a jacket structure, was considered to verify the performance of the proposed method. As a result, the damages in the structures is accurately detected. ？ Springer International Publishing AG 2017.
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