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Modelling of viscoelastic dielectric elastomers with deformation dependent electric properties

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Author

Summary, in English

This work deals with electro-viscoelastic modelling and simulation of dielectric elastomer actuators (DEA), including the case of deformation dependent electromechanical coupling. A large deformation modelling framework is adopted, and specific thermo- dynamically consistent material models are established. The general framework is applied to VHB49 polyacrylic polymers which are commonly used in DEA applications. The effects of viscosity and deformation dependent electric permittivity are studied with regards to the stability behaviour and also in view of predicting experimentally observed electromechanical behaviour using numerical simulations.

Department/s

Publishing year

2015

Language

English

Pages

134-144

Publication/Series

Procedia Iutam

Volume

12

Document type

Journal article

Publisher

Elsevier

Topic

  • Mechanical Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 2210-9838