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| Nonlinear dynamic stability analysis for piezoelectric composite laminates with debonded interfaces |
| Received:March 14, 2007 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7511/jslx20092008 |
| KeyWord:piezoelectric composite laminates interfacial debonding damage high order shear deformation theory dynamic stability parametric vibration traction |
| Author | Institution |
| 冯世宁 |
大连理工大学 工业装备结构分析国家重点实验室,大连 |
| 陈浩然 |
大连理工大学 工业装备结构分析国家重点实验室,大连 |
| 叶林 |
悉尼大学 航天、机械和微电子工程学院,澳大利亚 NSW2006 |
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| Abstract: |
| Nonlinear instability associated with piezoelectric composite laminates with debonded interfaces under dynamic loads has been studied. On basis of Reddy’s simple higher order shear deformation theory, a dynamic instability equation, called Mathieu equation, was deduced, which as considered nonlinear elastic, damping, axial inertia force and electromechanical interaction effects and the corresponding analytical solution was given. From some typical examples, it is clear that the effects of interfacial debonding length and feed-back control on the instability regions, axial and transverse resonance frequency and the maximum deepness of "traction" were discussed. Some typical examples indicate that the dynamic instability behavior of the laminates gradually decreases with increasing interfacial debonding length; However, the effects of feed-back control on the case of laminates with short interfacial debonding damage is rather weakness, while for the case of laminates with long length interfacial debonding damage, with increasing debonding length, feed-back control on the laminates could decreases the interaction regions between axial and transverse parameter vibrations. |
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