Detection of damage location using mode shape deviation: Numerical study

Fayyadh, M.M. and Abdul Razak, H. (2011) Detection of damage location using mode shape deviation: Numerical study. International Journal of Physical Sciences, 6 (24). pp. 5688-5698. ISSN 19921950,

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This study presents the use of mode shapes for the identification of damage location. The residual values from curve fitting procedure on mode shape vectors with Chebyshev standard rational series were used to detect the damage along the beam length. The results showed that all the mode shapes for the damaged cases deviated from that of the undamaged case, where the deviation was towards the damage location. The results also showed that the residual from curve fitting procedure for all mode shapes have higher values around the damaged element along the beam length which made it a good indicator for damage location.

Item Type: Article
Additional Information: Export Date: 16 December 2013 Source: Scopus Language of Original Document: English Correspondence Address: Fayyadh, M. M.; Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; email: References: Abdul, R.H., Choi, F.C., The effect of corrosion on the natural frequency and modal damping of reinforced concrete beams (2002) Engine. Struct, 23, pp. 1126-1133; (2008) Building Code Requirements for Structural Concern, , ACI 318-08; Alampalli, S., Effect of testing, analysis, damage, and environment on modal parameters (2000) Mech. Syst. Signal Process, 14, pp. 63-74; Catbas, F.N., Gul, M., Burkett, J.L., Conceptual damage-sensitive features for structural health monitoring: Laboratory and field demonstrations (2008) Mech. Syst. 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Uncontrolled Keywords: Curve fitting residual, Damage location, Mode shape deviation, Reinforced concrete (RC) beam model
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 24 Jan 2014 15:58
Last Modified: 21 Dec 2014 09:34

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