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dc.contributor.authorYang, Y.en
dc.contributor.authorNg, C.en
dc.contributor.authorKotousov, A.en
dc.identifier.citationInternational Journal of Structural Stability and Dynamics, 2019; 19(1):1940006en
dc.description.abstractThe use of fiber-reinforced polymer (FRP) has been widely recognized to be an effective and economical way to strengthen existing structures or repair damaged structures for extending their service life. This study investigates the feasibility of using nonlinear guided wave to monitor crack-induced debonding in FRP-strengthened metallic plates. The study focusses on investigating the nonlinear guided wave interaction with the crack-induced debonding. A three-dimensional (3D) finite element (FE) model is developed to simulate the crack-induced debonding in the FRP-strengthened metallic plates. The performance of using fundamental symmetric (S0) and anti-symmetric (A0) modes of guided wave as incident wave in the second harmonic generation at the crack-induced debonding is investigated in detail. It is found that the amplitude of the second harmonic and its variation with different damage sizes are very different when using S0 and A0 guided wave as the incident wave, respectively. The results suggest that it is possible to detect potential damage and distinguish its type based on the features of the generated second harmonic.en
dc.description.statementofresponsibilityYi Yang, Ching-Tai Ng, Andrei Kotousoven
dc.publisherWorld Scientificen
dc.rights© World Scientific Publishing Companyen
dc.titleSecond harmonic generation of guided wave at crack-induced debonding in FRP-strengthened metallic platesen
dc.typeJournal articleen
pubs.library.collectionCivil and Environmental Engineering publicationsen
dc.identifier.orcidKotousov, A. [0000-0001-9337-5095]en
Appears in Collections:Civil and Environmental Engineering publications

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