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Experimental and numerical investigations of the electro-mechanical response of particle filled elastomers—Part II: Continuum modeling approach

Markus Mehnert, Jessica Faber, Mokarram Hossain Orcid Logo, Shawn A. Chester, Paul Steinmann

European Journal of Mechanics - A/Solids, Volume: 96, Start page: 104661

Swansea University Author: Mokarram Hossain Orcid Logo

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Abstract

A comprehensive experimental study performed under a combination of electro-mechanical loads on a particle-filled silicone as a representative of dielectric elastomers is presented in the Part I of this work (Mehnert et al., submitted, 2021). The constitutive modeling and numerical simulation of ele...

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Published in: European Journal of Mechanics - A/Solids
ISSN: 0997-7538
Published: Elsevier BV 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa60200
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Abstract: A comprehensive experimental study performed under a combination of electro-mechanical loads on a particle-filled silicone as a representative of dielectric elastomers is presented in the Part I of this work (Mehnert et al., submitted, 2021). The constitutive modeling and numerical simulation of electro-active polymers are essential fields of research in order to increase the acceptance of this group of soft smart materials in real-life applications. However, only few contributions containing constitutive modeling approaches are combined with experimental data obtained from electro-mechanically coupled loading conditions due to the complexity of corresponding experiments. In this contribution, we aim to develop an electro-mechanically coupled model, which closely replicates the response of a silicone polymer filled with a high dielectric permittivity filler of varying fractions that are characterized under a combination of electric and mechanical loads. Once the model is calibrated with the experimental data described in Part I of this contribution, it is used for a simple illustrative application example showcasing the capability of the model and the influence of the different material characteristics.
College: College of Engineering
Funders: M. Mehnert and P. Steinmann acknowledge the funding within the DFG, Germany project No. STE 544/52-2 and GRK2495/C. M. Hossain would like to extend his sincere appreciation to Engineering and Physical Sciences Research Council (EPSRC), United Kingdom for an Impact Acceleration Award (EP/R511614/1). The financial support by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) Projekt nummer 326998133 - TRR 225 (subproject B09) to J. Faber is gratefully acknowledged. S. Chester acknowledges partial support from the US National Science Foundation under grant number CMMI-1751520.
Start Page: 104661