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首页> 外文期刊>Mechanics of Advanced Materials and Structures >Wave Propagation in Submerged Functionally Graded Piezoelectric Cylindrical Transducers with Axial Polarization
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Wave Propagation in Submerged Functionally Graded Piezoelectric Cylindrical Transducers with Axial Polarization

机译：具有轴向极化功能的浸入式功能梯度压电圆柱传感器中的波传播

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摘要

The wave propagation in a functionally graded piezoelectric cylindrical transducer submerged in an infinite fluid medium is considered. In addition to the material anisotropy and electromechanical coupling, the material of the transducer is also assumed to be functionally graded along the thickness direction. A state-space formulation is adopted for the transducer, while the separation of variables method is used to obtain the solution for the ambient fluid. Continuity conditions at the fluid-structure interface are satisfied. The characteristic equation, which is complex in nature, is solved using the assumption that the energy dissipation has little effect on the natural frequencies of the transducer. Numerical results are finally presented and discussed.
机译：考虑了浸没在无限流体介质中的功能梯度压电圆柱换能器中的波传播。除了材料各向异性和机电耦合外，还假定换能器的材料沿厚度方向在功能上是渐变的。换能器采用状态空间公式，而变量分离方法用于获得环境流体的解。满足流体-结构界面的连续性条件。通过假设能量耗散对换能器的固有频率影响很小，可以解决本质上很复杂的特征方程。最后给出并讨论了数值结果。

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    W. Q. Chen Z. G. Bian;

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    Department of Engineering Mechanics, Zhejiang University, Yuquan Campus, P. R. China b State Key Lab of CAD & CAG, Zhejiang University, Zijingang Campus, P. R. China c Department of Civil Engineering, Ningbo Institute of;

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