Analysis of multilayer electro-active tubes under different constraints

Bortot, Eliana (2019) Analysis of multilayer electro-active tubes under different constraints. Journal of Intelligent Material Systems and Structures, 30 (1). pp. 45-62. ISSN 1045-389X

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Dielectric elastomers are an emerging class of highly deformable electro-active materials employed for electromechanical transduction technology. For practical applications, the design of such transducers requires a model accounting for insulation of the active membrane, non-perfectly compliant behavior of the electrodes, or interaction of the transducer with a soft actuated body. To this end, a three-layer model, in which the active membrane is embedded between two soft passive layers, can be formulated. In this article, the theory of non-linear electro-elasticity for heterogeneous soft dielectrics is used to investigate the electromechanical response of multilayer electro-active tubes—formed either by the active membrane only (single-layer tube) or by the coated active membrane (multilayer tube). Numerical results showing the influence of the mechanical and the geometrical properties of the soft coating layers on the electromechanical response of the active membrane are presented for different constraint conditions.

Item Type: Article
Uncontrolled Keywords: Non-linear electro-elasticity, composite material, multilayer electro-active tube
Subjects: H300 Mechanical Engineering
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Paul Burns
Date Deposited: 04 Apr 2019 10:28
Last Modified: 10 Oct 2019 20:45

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