Damage assessment in beams and plates using variations in modal properties

Moragaspitiya, H.N. Praveen & Thambiratnam, David (2013) Damage assessment in beams and plates using variations in modal properties. In Haddad, Y.M. (Ed.) Proceedings of MONTREAL'2013 AES-ATEMA 13th International Conference on Advances and Trends in Engineering Materials and their Applications, Advanced Engineering Solutions, Montreal, Canada, pp. 43-50.

Abstract

Damage detection using modal properties is a widely accepted method. However, quantifying such damage using modal properties is still not well established. With this in mind, a research project is presently underway towards the development of a procedure to detect, locate and quantify damage in structural components using the variations in modal properties. A novel vibration based parameter called Vibration based Damage Index is introduced into the damage assessment procedure. This paper presents the early part of the research project which treats flexural members. The proposed procedure is validated using experimental data and/or theoretical techniques and illustrated through application. Outcomes of this research highlight the ability of the proposed procedure to successfully detect, locate and quantify damage in flexural structural components using the modal properties of the first few modes.

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ID Code: 62661
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Modal vector, Natural Frequency, Damage Detection, Localization and Quantification, Flexural Structural Components
ISBN: 9780987994578
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Advanced Engineering Solutions
Deposited On: 18 Sep 2013 23:02
Last Modified: 16 Oct 2013 02:30

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