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纵弯超声电机压电振子的动力学数值模拟

Machinery Design & Manufacture(2009)

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Abstract
利用压电陶瓷的本构方程和弹性动力学方程建立了压电驱动问题机电耦合场的有限元模型,基于有限元程序自动生成平台FEPG,通过编写元件化程序,得到此类结构的有限元计算程序。对纵弯超声电机压电振子的动力学特性进行了分析,结果表明该程序可以用于压电驱动类结构的的动力学数值计算。
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Key words
Electro-mechanical coupling model,Piezoelectric vibrator,Finite element
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