首页> 外文会议>International Conference on Adaptive Structures and Technologies; 20051009-12; Paris(FR) >MODELLING STATIC AND DYNAMIC BEHAVIOUR OF PIEZOELECTRICALLY ACTUATED BEAM USING LAYER-WISE THEORY
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MODELLING STATIC AND DYNAMIC BEHAVIOUR OF PIEZOELECTRICALLY ACTUATED BEAM USING LAYER-WISE THEORY

机译:基于层明智理论的压电致动梁的静态和动态行为建模

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摘要

The development of a generalized layer-wise laminate model using high-order approximations for the field variable through-the-thickness of a composite laminate is presented. The model is used to perform both static and dynamic analysis of an unsymmetrical, three-layer laminated beam where the only deformation input is the actuation strain induced in the piezoelectric layer. The resulting induced displacements and inter-laminar stresses in the beam are calculated. The modal amplitudes and vibration of the beam that is harmonically activated by a piezoelectric layer are investigated. The beam behaviour predicted by increasing the order of approximation through-the-thickness variables are compared to ascertain the level of model complexity necessary to accurately represent piezoelectric actuation of laminated beam.
机译:提出了使用高阶近似值对复合层压板的场变量厚度进行广义分层层压板模型的开发。该模型用于对不对称的三层层压梁进行静态和动态分析,其中唯一的变形输入是在压电层中感应的驱动应变。计算所得的梁中引起的位移和层间应力。研究了由压电层谐波激活的光束的模态振幅和振动。通过增加厚度近似值的阶次来预测梁的行为,从而确定精确表示叠层梁的压电驱动所需的模型复杂性水平。

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