Proceedings of the KSR Conference (한국철도학회:학술대회논문집)
- 2011.10a
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- Pages.2632-2634
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- 2011
Wave Characteristics in the PZT-bonded Composite Beams
PZT층을 갖는 복합재 보의 파동 특성
Abstract
In the Structural Health Monitoring field, the piezoelectric elements are bonded the surface of the structures for generating the guided wave. For this reason, the structures become two-layer beam. It is very important to know precisely the dynamic characteristic of structures and also predict precisely the wave propagation in structures. Because wave propagation is very useful to analysis the dynamic characteristic of structures. In this paper, the governing equations of motion are derived from Hamilton's principle by applying the Timoshenko beam theory and Mindlin-Herrmann rod theory at the first. and then the wave propagations in a composite beams with a surface-bonded piezoelectric are examined.
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