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Proceedings Paper

Dynamic modeling of dielectric elastomer actuators with sandwich structure
Author(s): Bai-Xiang Xu; Anika Theis; Ralf Mueller; Markus Klassen; Dietmar Gross
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Paper Abstract

The dynamic response of a dielectric elastomer actuator with an electrode-elastomer-electrode sandwich structure is modeled and analyzed. The equation of motion is derived by thermodynamic considerations. Due to the exact formulation of the inertia term in three dimensions, the equation of motion involves particularly a quadratic dependence on the first derivative of the deformation. Numerical solutions of the model are presented to show the dynamic response of the DEA, e.g. the vibration under constant electric potential, the oscillation under harmonic electric loadings, and particularly the resonance phenomenon.

Paper Details

Date Published: 12 April 2012
PDF: 7 pages
Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 840924 (12 April 2012); doi: 10.1117/12.923327
Show Author Affiliations
Bai-Xiang Xu, Technische Univ. Darmstadt (Germany)
Anika Theis, Technische Univ. Kaiserslautern (Germany)
Ralf Mueller, Technische Univ. Kaiserslautern (Germany)
Markus Klassen, Technische Univ. Kaiserslautern (Germany)
Dietmar Gross, Technische Univ. Darmstadt (Germany)

Published in SPIE Proceedings Vol. 8409:
Third International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Yoseph Bar-Cohen; In Lee; Jian Lu, Editor(s)

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