Damage identification in composite beam using continuous wavelet transform applied to mode shape and strain energy data

Advances in Vibration Engineering

Volumn 7, Issue 2, 2008, Pages 127-141

  Jaya Prakash, G ^a   Swarnamani, S ^a  

^a INDIAN INSTITUTE OF TECHNOLOGY MADRAS   (India)

Author keywords

ANSYS; Composites; Continuous wavelets transform; Damage identification; Lipschitz exponent; Modal analysis

Indexed keywords

EID: 77952209063     PISSN: 09725768     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (9)

1. Reddy, A. D., Rehfield, L. W. and Haag, R. S., Influence of prescribed delaminations on stiffnesscontrolled behavior of composite laminates, Effects of Defects in Composite Materials, ASTM STP 836, American Society for Testing and Materials, pp. 71-83, 1984.
2. Mallat, S. and Hwang,W., Singularity detection and processing with wavelets, IEEE Trans. Inform. Theory, Vol.38, pp. 617-643, 1992.
3. Daubechies, I., Ten Lectures on Wavelets. SIAM, Philadelphia
4. Mallat, S., A wavelet tour of signal processing, Academic Press, USA.
5. Loutridis, S., Douka, E. and Trochidis, A., Crack identification in double-cracked beams using wavelet analysis, J. Sound Vibration, Vol.277, pp. 1025-1039, 2004.
6. Yan, Y. J. and Yam, L. H., Detection of delamination in composite plates using energy spectrum of structural dynamic responses decomposed by wavelet analysis, Comput. & Structures, Vol.82, pp. 347-358, 2004
7. Reddy, J. N., Mechanics of Laminated Composites, CRC Press, USA
8. Hong, J. C., Kim, Y. Y., Lee, H. C. and Lee, Y. E., Damage detection using the Lipschitz exponent estimated by wavelet transform: application to vibration modes, Internat. J. Solids Structures, Vol.39, pp. 1803-1816, 2002.
9. Gentile, A. and Messina, A., On the continuous wavelet transforms applied to discrete vibration data for detecting open cracks in damaged beams, Internat. J Solids Structures, Vol.40, pp. 295-315, 2003.