Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15172
Title: Modeling of the dynamic characteristic of viscoelastic dielectric elastomer actuators subject to different conditions of mechanical load
Authors: Zhang, J
Tang, L
Li, B
Wang, Y
Chen, H
Issue Date: 2015
Publisher: American Institute of Physics
Source: Journal of applied physics, 2015, v. 117, no. 8, 84902 How to cite?
Journal: Journal of applied physics 
Abstract: Subject to a mechanical load or a voltage, a membrane of a dielectric elastomer deforms. As for the deformation mode, the dynamic performance and stability are strongly affected by how mechanical forces are applied. In the current study, by using the Euler-Lagrange equation, an analytical model is developed to characterize the dynamic performance of a homogeneously deformed viscoelastic dielectric elastomer under the conditions of equal-biaxial force, uniaxial force, and pure shear state, respectively. Numerical results are shown to describe the electromechanical deformation and stability. It is observed that the resonant frequency (where the amplitude-frequency curve peaks) has dependencies on the deformation mode, the level of mechanical load, and the applied electric field. When a dielectric elastomer membrane is subject to equal-biaxial force or pure shear state, it undergoes a nonlinear quasi-periodic vibration. An aperiodic motion of the dielectric elastomer system is induced by the boundary condition of a uniaxial force.
URI: http://hdl.handle.net/10397/15172
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.4913384
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