Damage localisation in beams and plates using vibration characteristics

Shih, Hoi Wai, Thambiratnam, David P., & Chan, Tommy Hung Tin (2011) Damage localisation in beams and plates using vibration characteristics. In Chan, Tommy Hung Tin & Thambiratnam, David Pathmaseelan (Eds.) Structural Health Monitoring in Australia. Nova Publishers, New York, pp. 33-53.

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Abstract

Dynamic computer simulation techniques are used to develop and apply a multi-criteria procedure, incorporating changes in natural frequencies, modal flexibility and the modal strain energy, for damage localisation in beams and plates. Numerically simulated modal data obtained through finite element analyses are used to develop algorithms based on changes of modal flexibility and modal strain energy before and after damage and used as the indices for assessment of the state of structural health. The proposed procedure is illustrated through its application to flexural members under different damage scenarios and the results confirm its feasibility for damage assessment.

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ID Code: 38850
Item Type: Book Chapter
Keywords: Beam, Plate, Damage Identification, Damage Localization, Finite Element Method, Modal Analysis, Modal Strain Energy, Modal Flexibility
ISBN: 9781617288609
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Infrastructure Engineering and Asset Management (090505)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2011 Nova Publishers.
Deposited On: 24 Nov 2010 23:49
Last Modified: 24 Oct 2013 05:14

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