Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14806
Title: Vibration analysis of a piezoelectric composite plate with cracks
Authors: Qu, GM
Li, YY
Cheng, L 
Wang, B
Issue Date: 2006
Source: Composite structures, 2006, v. 72, no. 1, p. 111-118
Abstract: The vibration behavior of a piezoelectric composite plate with cracks is analyzed in this paper. Based on the principle of minimum energy, a dynamical model is established, and the effects of cracks and piezoelectric materials on mode shapes are analyzed. Numerical simulations for a rectangular aluminum plate with and without cracks are conducted to validate the model. The contours of the displacement and strain mode shapes are compared. It is shown that the strain mode is more sensitive to cracks rather than the displacement mode. The approach is expected to detect damages of piezoelectric composite plates.
Keywords: Cracks
Mode shape
Piezoelectric composite plate
Vibration
Publisher: Elsevier
Journal: Composite structures 
ISSN: 0263-8223
EISSN: 1879-1085
DOI: 10.1016/j.compstruct.2004.11.001
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