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Experimental and numerical investigations of the electro-mechanical response of particle filled elastomers—Part II: Continuum modeling approach
European Journal of Mechanics - A/Solids, Volume: 96, Start page: 104661
Swansea University Author: Mokarram Hossain
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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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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 of Engineering
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.