Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/89657
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Title: A new approach for modeling of magnetorheological elastomers
Authors: Norouzi, M
Sajjadi Alehashem, SM
Vatandoost, H
Ni, YQ 
Shahmardan, MM
Issue Date: May-2016
Source: Journal of intelligent material systems and structures, May 2016, v. 27, no. 8, p. 1121-1135
Abstract: This article presents a novel model to portray the behavior of magnetorheological elastomer in oscillatory shear test. The dynamic behavior of an isotropic magnetorheological elastomer is experimentally investigated at different input conditions. A modified Kelvin–Voigt viscoelastic model is developed to describe relationships between shear stress and shear strain of magnetorheological elastomers based on input frequency, shear strain, and magnetic flux density. Unlike the previous models of magnetorheological elastomers, the coefficients of this model, calculated by nonlinear regression method, are constant at various harmonic shear loads and different magnetic flux densities. The results show that the new phenomenological model can effectively predict the viscoelastic behavior of magnetorheological elastomers. Also, the results demonstrate that the trend of shear storage modulus of magnetorheological elastomer based on the frequency is nonlinear from 0.1 to 8 Hz, which is predicted by the present model. The proposed model is beneficial to simulate vibration control strategies in magnetorheological elastomer base devices under harmonic shear loadings.
Keywords: Magnetorheological elastomer|Modeling
Viscoelastic
Kelvin–Voigt model
Publisher: SAGE Publications
Journal: Journal of intelligent material systems and structures 
ISSN: 1045-389X
EISSN: 1530-8138
DOI: 10.1177/1045389X15615966
Rights: © The Author(s) 2015
This is the accepted version of the publication Norouzi M, Sajjadi Alehashem SM, Vatandoost H, Ni YQ, Shahmardan MM, A new approach for modeling of magnetorheological elastomers, Journal of Intelligent Material Systems and Structures (Vol.27 and Issue No. 8) pp. 1121-1135. Copyright © 2015 (The Author(s)). DOI: 10.1177/1045389X15615966
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