Title
A New Inverse Vibration Method For Detection And Characterization Of Multiple Defects In Beams
Abstract
This paper concerns the development of a vibration-based method for non-destructive detection and characterization of defects (e.g., flaws or cracks) in structures, particularly in beams. The developed method considers changes in the strain energy of the structure when excited by external sources (mechanically or acoustically) as a means for detecting localized effects of defects. We implemented non-contact laser vibrometery, optimization techniques, identified and utilized the most contributing modes in an elegant formulation for the weighted energy computation. Experimental and computer-simulated results for cantilever beams with multiple circular holes are presented. The results obtained clearly demonstrate the effectiveness of the developed method for determining the location and size of defects. Also, the accuracy and robustness of the method are discussed.
Publication Date
1-1-2002
Publication Title
Proceedings of SPIE - The International Society for Optical Engineering
Volume
4753 I
Number of Pages
160-166
Document Type
Article; Proceedings Paper
Personal Identifier
scopus
Copyright Status
Unknown
Socpus ID
0036424819 (Scopus)
Source API URL
https://api.elsevier.com/content/abstract/scopus_id/0036424819
STARS Citation
Moslehy, Faissal A., "A New Inverse Vibration Method For Detection And Characterization Of Multiple Defects In Beams" (2002). Scopus Export 2000s. 2920.
https://stars.library.ucf.edu/scopus2000/2920