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ANALYSIS OF SMART COMPOSITE PLATES - A FINITE ELEMENT APPROACHX

机译：智能复合板的分析-有限元方法

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A 4-noded finite element with seven degrees of freedom per node, based on higher-order shear deformation theory, is used for the analysis of smart composite plates. This model does not include voltage/electric potential as a degree of freedom and is valid for both surface-mounted and embedded piezoelectric elements either distributed or placed in patches. The effect of actuator voltage on the static and dynamic behaviour of such plates is studied. It is seen that the reduction in deflection is proportional to the actuator voltage and the actuator voltage does not have significant influence on the frequency of vibration. An active control of vibration is achieved by suitably amplifying the voltage sensed by the sensor.
机译：基于高阶剪切变形理论，每个节点具有七个自由度的4节点有限元用于智能复合板的分析。该模型不包括自由度的电压/电势，并且对于分布或放置在贴片中的表面安装和嵌入式压电元件均有效。研究了执行器电压对这种板的静态和动态行为的影响。可以看出，挠度的减小与致动器电压成正比，并且致动器电压对振动频率没有显着影响。通过适当放大传感器感测的电压，可以实现对振动的主动控制。

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