Transverse vibrations and vibrational heating of a rectangular bimorphous plate of dissipative piezoelectric material

被引：0
作者：
A. O. Rasskazov
V. I. Kozlov
T. V. Karnaukhova
机构：
[1] Ukrainian Transport University,S. P. Timoshenko Institute of Mechanics
[2] National Academy of Sciences of Ukraine,undefined
来源：
International Applied Mechanics | 1999年 / 35卷
关键词：
Curie Point; Transverse Vibration; Piezoelectric Layer; Dissipative Function; Piezoelectric Element;
D O I：
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中图分类号：
学科分类号：
摘要：
The problem of induced resonance vibrations and dissipation heating in a rectangular bimorphous plate made of a dissipative piezoelectric material under a harmonic potential difference is tackled. The edges of the plate are considered to be hinged and ideally thermally insulated. The dissipation properties of the material are taken into account on the basis of the concept of complex characteristics, which are assumed to be temperature-independent. An exact solution is found for the problem. The critical value of the load parameter is determined when the maximum temperature reaches the Curie point. A finite-element method has been developed for investigating the dynamic behavior and temperature of vibrational heating that bimorphous plates made of a viscoelastic material undergo under a harmonic load. The results obtained for the electromechanical vibrations of plates by finite-element calculations and by an analytical solution are compared.
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页码：947 / 955
页数：8
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