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Mathematical modelling and dynamical analysis of a magnetorheological elastomer tuneable absorber

Mathematical modelling and dynamical analysis of a magnetorheological elastomer tuneable absorber
Mathematical modelling and dynamical analysis of a magnetorheological elastomer tuneable absorber
Magnetorheological elastomers (MREs) are a smart material whose mechanical properties can be adjusted through an external magnetic field. Because their field dependent properties can be selectively tuned, MREs are highly suitable for vibration control system. In this study, the dynamical properties of MREs are investigated experimentally in shear mode under different driving frequency and strain amplitude. The results show that both of the storage modulus and loss modulus decrease slightly with the strain amplitude; whereas the driving frequencies lead to increasing storage modulus and a maximum in loss modulus. Based on experimental results, a mathematical model is proposed to predict the frequency- and amplitude-dependent properties of MREs and a dynamical system with an adaptive tuned vibration absorber is build up to estimate the control efficiency of MRE absorber. Compared to conventional absorber, the performance of vibration control is improved obviously with MRE absorbers.
Zhu, Guanghong
6b5252b2-c65c-4909-9c83-371a11001250
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Daley, Steve
53cef7f1-77fa-4a4c-9745-b6a0ba4f42e6
Shenoi, Ajit
a37b4e0a-06f1-425f-966d-71e6fa299960
Zhu, Guanghong
6b5252b2-c65c-4909-9c83-371a11001250
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Daley, Steve
53cef7f1-77fa-4a4c-9745-b6a0ba4f42e6
Shenoi, Ajit
a37b4e0a-06f1-425f-966d-71e6fa299960

Zhu, Guanghong, Xiong, Yeping, Daley, Steve and Shenoi, Ajit (2013) Mathematical modelling and dynamical analysis of a magnetorheological elastomer tuneable absorber. The Ninth International Conference on Vibration Engineering and Technology of Machinery VETOMAC-IX 2013, Nanjing, China. 19 - 22 Aug 2013.

Record type: Conference or Workshop Item (Paper)

Abstract

Magnetorheological elastomers (MREs) are a smart material whose mechanical properties can be adjusted through an external magnetic field. Because their field dependent properties can be selectively tuned, MREs are highly suitable for vibration control system. In this study, the dynamical properties of MREs are investigated experimentally in shear mode under different driving frequency and strain amplitude. The results show that both of the storage modulus and loss modulus decrease slightly with the strain amplitude; whereas the driving frequencies lead to increasing storage modulus and a maximum in loss modulus. Based on experimental results, a mathematical model is proposed to predict the frequency- and amplitude-dependent properties of MREs and a dynamical system with an adaptive tuned vibration absorber is build up to estimate the control efficiency of MRE absorber. Compared to conventional absorber, the performance of vibration control is improved obviously with MRE absorbers.

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More information

Published date: August 2013
Venue - Dates: The Ninth International Conference on Vibration Engineering and Technology of Machinery VETOMAC-IX 2013, Nanjing, China, 2013-08-19 - 2013-08-22
Organisations: Inst. Sound & Vibration Research, Civil Maritime & Env. Eng & Sci Unit

Identifiers

Local EPrints ID: 363165
URI: http://eprints.soton.ac.uk/id/eprint/363165
PURE UUID: 4f936621-d0d6-4c69-b237-26d550cba23b
ORCID for Yeping Xiong: ORCID iD orcid.org/0000-0002-0135-8464

Catalogue record

Date deposited: 18 Mar 2014 11:24
Last modified: 12 Dec 2021 03:12

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Contributors

Author: Guanghong Zhu
Author: Yeping Xiong ORCID iD
Author: Steve Daley
Author: Ajit Shenoi

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