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dc.contributor.authorShi, Yu
dc.contributor.authorAlsaadi, Ahmed
dc.contributor.authorJia, Yu
dc.date.accessioned2020-01-14T11:24:41Z
dc.date.available2020-01-14T11:24:41Z
dc.date.issued2019-07-05
dc.identifier.citationAlsaadi A., Shi Y., Jia Y. (2020) Delamination Detection via Reconstructed Frequency Response Function of Composite Structures. In: Wahab M. (eds) Proceedings of the 13th International Conference on Damage Assessment of Structures. Lecture Notes in Mechanical Engineering. Springer, Singaporeen_US
dc.identifier.isbn9789811383304en_US
dc.identifier.doi10.1007/978-981-13-8331-1_66
dc.identifier.urihttp://hdl.handle.net/10034/623081
dc.description.abstractOnline damage detection technologies could reduce the weight of structures by allowing the use of less conservative margins of safety. They are also associated with high economical benefits by implementing a condition-based maintenance system. This paper presented a damage detection and location technique based on the dynamic response of glass fibre composite laminate structures (frequency response function). Glass fibre composite laminate plates of 200×200×2.64 mm, which had a predefined delamination, were excited using stationary random vibration waves of 500 Hz band-limited noise input at ≈1.5 g. The response of the structure was captured via Micro-ElectroMechanical System (MEMS) accelerometer to detect damage. The frequency response function requires data from damaged structures only, assuming that healthy structures are homogeneous and smooth. The frequency response of the composite structure was then reconstructed and fitted using the least-squares rational function method. Delamination as small as 20 mm was detected using global changes in the natural frequencies of the structure, the delamination was also located with greater degree of accuracy due to local changes of frequency response of the structure. It was concluded that environmental vibration waves (stationary random vibration waves) can be utilised to monitor damage and health of composite structures effectively.en_US
dc.publisherSpringeren_US
dc.relation.urlhttps://link.springer.com/chapter/10.1007/978-981-13-8331-1_66en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en_US
dc.subjectFrequency response functionen_US
dc.subjectStructural health monitoring (SHM)en_US
dc.subjectStructural integrityen_US
dc.subjectDamage assessmenten_US
dc.titleDelamination Detection via Reconstructed Frequency Response Function of Composite Structuresen_US
dc.typeConference Proceedingen_US
dc.contributor.departmentUniversity of Chesteren_US
dc.identifier.journalProceedings of the 13th International Conference on Damage Assessment of Structuresen_US
or.grant.openaccessYesen_US
rioxxterms.funderInnovate UKen_US
rioxxterms.identifier.project104030en_US
rioxxterms.versionVoRen_US
rioxxterms.versionofrecordhttps://doi.org/10.1007/978-981-13-8331-1_66en_US
rioxxterms.licenseref.startdate2219-07-05
rioxxterms.publicationdate2019-07-05
dc.dateAccepted2019-05-15
dc.date.deposited2020-01-14en_US


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