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 | Source: | Journal of applied physics, 2015, v. 117, no. 8, 84902, p. 084902-1-084902-10 | 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. | Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.4913384 | Rights: | © 2015 AIP Publishing LLC. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in J. Zhang et al., J. Appl. Phys. 117, 084902 (2015) and may be found at https://dx.doi.org/10.1063/1.4913384 |
Appears in Collections: | Journal/Magazine Article |
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Zhang_Viscoelastic_Dielectric_Elastomer.pdf | 2.97 MB | Adobe PDF | View/Open |
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