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Induced vibrations of piezolaminated elastic beams

机译:压电压电梁的诱导振动

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The forced induced vibrations of a piezolaminated elastic beam, being driven by time harmonic voltages applied to the actuators on top and bottom surfaces, is analysed using an exact elasticity solution. The analysis is carried out using the method of Fourier series and the solution is exact within the assumptions of linear elasticity and plane strain deformation. Numerical results are computed for various configurations of sandwich and laminated beams, including an aluminum beam with actuators fixed to top and bottom surfaces. To show the capability of the elasticity solution, the static shape of laminated beams due to the piezoelectric induced strains are calculated and compared with approximate existing results.
机译:使用精确的弹性解决方案分析了压电叠层弹性梁的强迫感应振动,该振动由施加在顶表面和底表面上的执行器的时间谐波电压驱动。使用傅里叶级数的方法进行分析,在线性弹性和平面应变变形的假设下,该解是精确的。计算了各种配置的夹层和叠层梁的数值结果,包括带有固定在顶面和底面上的执行器的铝梁。为了显示弹性解的能力,计算了由压电感应应变引起的叠层梁的静态形状,并将其与近似的现有结果进行了比较。

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