Nonlinear Applications, State Equations and Simulations for Piezoelectric Materials

被引:0
|
作者
Alvarado, A. F. Jaramillo [1 ]
Jacome, A. Torres [1 ]
De la Hidalga-W, F. J. [1 ]
Rosales-Quintero, P. [1 ]
机构
[1] Inst Nacl Astrofis Opt & Electr, Elect Dept, Puebla 72840, Mexico
来源
2022 IEEE LATIN AMERICAN ELECTRON DEVICES CONFERENCE (LAEDC) | 2022年
关键词
Piezoelectric Devices; Nonlinear Effects; Nonlinear State Equations; Tunable Devices; FEM Simulation; Tensor Symmetry;
D O I
10.1109/LAEDC54796.2022.9908213
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The nonlinear effects of piezoelectric materials can be used in the 5G and IoT scope, and considering that the most general problems have not analytic solution, the FEM simulations are a fundamental design tool. In this work, we present the stress-charge formulation for nonlinear piezoelectric materials, such it is compatible and has an easy way to implement for the most commonly simulations tools used in industry and research level. Also, we present the simulations results for the variable capacitance and resonance frequency shift nonlinear phenomena, having a good fitting with the recent and important experimental results. The value of the components of the nonlinear tensors founded for the simulations were g(333) = -80N/V-m and qr(331) = q(333)(r) = -1600. The average percent errors obtained for simulations of resonance frequency shift was 0.32%, and for the variable capacitance was 0.069%.
引用
收藏
页数:4
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