Nonlinear oscillations in dielectric viscoelastomer generators

Li, Jiameng; Xie, Yu-Xin

doi:10.2140/jomms.2023.18.751

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Nonlinear oscillations in dielectric viscoelastomer generators

Jiameng Li and Yu-Xin Xie

Vol. 18 (2023), No. 5, 751–764

DOI: 10.2140/jomms.2023.18.751

Abstract

Dielectric elastomer generators (DEGs) are devices that harvest energy from oscillations. We investigate the dynamic behavior of dielectric viscoelastomers in soft generators. Using a viscohyperelastic theoretical model to characterize the relaxation phenomena of the materials, the effects of various factors on the forced oscillation of the system are revealed. According to different failure modes, a three-dimensional presentation of the allowable domain in the electrical boundary condition, the amplitude of the oscillator, and the prestretch of the system are also depicted. Finally, an optimal design of DEGs is suggested combined with an energy dissipation analysis.

Keywords

DEGs, viscoelasticity, dynamic behavior, energy dissipation

Milestones

Received: 14 June 2023

Revised: 13 July 2023

Accepted: 18 July 2023

Published: 25 October 2023

Authors

Jiameng Li
Department of Mechanics Tianjin University China

Yu-Xin Xie
Department of Mechanics Tianjin University China

Vol. 18, No. 5, 2023

Jiameng Li and Yu-Xin Xie

Abstract

Keywords

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Authors