Dynamic Simulation of Nanogenerator Based on Finite Element Model Coupled with Lumped Parameter Elements**Research partially funded by the National Natural Science Foundation of China (81873912, 51675305), China Postdoctoral Science Foundation (2020M670361), Natural Science Foundation of Beijing (3202011) and Shuimu Tsinghua Scholar Program.
2021
Nanogenerator has demonstrated its capability as motion, displacement and pressure sensor in various sensing scenarios. This work presents the first time-dependent finite element modeling of nanogenerator with resistive load. Compared with previous research on the theoretical study and modeling of nanogenerator, three distinctive advances have been achieved: (1) the finite element modeling of the nanogenerator is established and coupled with the lumped-parameter elements for resistive load; (2) the time-dependent study is conducted rather than the quasi-static study based on parametric sweep to reveal the transient process; (3) the results of finite element simulations are compared with the derived results based on the simplified theoretical model to reveal the influence of fringe effect.
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