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Study on Damage Detection Method using Meta Model
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 Title & Authors
Study on Damage Detection Method using Meta Model
Min, Cheon-Hong; Cho, Su-Gil; Oh, Jae-Won; Kim, Hyung-Woo; Hong, Sup; Nam, Bo-Woo;
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 Abstract
This paper presents an effective damage detection method using a meta model. A meta model is an approximation model that uses the relations between the design and response variables. It eliminates the need for repetitive analyses of computationally expensive models during the optimization process. In this study, a response surface model was employed as the meta model. The surface model was estimated using the correlation of the stiffness and natural frequencies of the structures. The locations and values of the damages were identified using a meta model-based damage detection method. Two numerical examples (a cantilever beam and jacket structure) were considered to verify the performance of the proposed method. As a result, the damages to the structures were accurately detected.
 Keywords
Damage detection;Meta model;Structural health monitoring;Offshore structure;Response surface model;
 Language
Korean
 Cited by
1.
Similarity-based Damage Detection in Offshore Jacket Structures, Journal of Ocean Engineering and Technology, 2016, 30, 4, 287  crossref(new windwow)
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