Case studies on vibration based damage identification : multi-criteria approach
Chan, Tommy H.T., Shih, Hoi Wai, & Thambiratnam, David (2009) Case studies on vibration based damage identification : multi-criteria approach. In Kang, Rui, Huang, Hong-Zhong, Zhu, Ming J., & Miao, Qiang (Eds.) 8th International Conference on Reliability, Maintainability and Safety - ICRMS’2009, 20-24 July 2009, Chengdu, China.
Vibration based damage identification methods examine the changes in primary modal parameters or quantities derived from modal parameters. As one method may have advantages over the other under some circumstances, a multi-criteria approach is proposed. Case studies are conducted separately on beam, plate and plate-on-beam structures. Using the numerically simulated modal data obtained through finite element analysis software, algorithms based on flexibility and strain energy changes before and after damage are obtained and used as the indices for the assessment of the state of structural health. Results show that the proposed multi-criteria method is effective in damage identification in these structures.
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|Item Type:||Conference Paper|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright IEEE 2009|
|Copyright Statement:||Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.|
|Deposited On:||05 Aug 2009 14:54|
|Last Modified:||29 Feb 2012 23:54|
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