3 years ago

Analysis of multilayer electro-active tubes under different constraints.

Eliana Bortot

Dielectric elastomers are an emerging class of highly deformable electro-active materials employed for electromechanical transduction technology. Widespread commercialization of dielectric elastomer transducers, however, requires proper protection of the electrodes from aggressive agents and electric safety of the users. To this end, the active membrane can be embedded between two soft protective passive layers. In this paper, the theory of nonlinear 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 passive layers on the electromechanical response of the active membrane are presented for different constraint conditions.

Publisher URL: http://arxiv.org/abs/1801.10102

DOI: arXiv:1801.10102v1

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