Design and Dynamic Stiffness Evaluation of Magnetorheological Elastomer Bushing using FEMM and Dynamic Testing Machine

IF 1.1 Q4 ENGINEERING, MECHANICAL Journal of Mechanical Engineering and Sciences Pub Date : 2023-01-15 DOI:10.24191/jmeche.v20i1.21078

Mohamad Ihsan Abdul Hamid, S. Mazlan, N. Nordin, A. A. Abd Fatah, Ubaidillah -, F. Imaduddin, I. Ismail

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Abstract

This research presents a simulation study on electromagnetic behaviour of magnetic flux density distribution in a magnetorheological elastomer (MRE) bushing. The design concept of MRE bushing is based on the design of the bushing used in the conventional car, only the natural rubber is being replaced by the MRE compound. Furthermore, the electromagnetic simulations wereconducted by using Finite Element Method Magnetics (FEMM) software where the main aim is for more magnetic flux density in the MRE, which indicates better performances for MRE bushing in this study. The best configuration of the MRE bushing for this study is using single coil, magnetic material for all parts except for coil bobbin, and the thickness of ring plate of 4 mm, which yield the highest magnetic flux density of 0.205 T. By using this configuration, the dynamic stiffness of this MRE bushing is ranging from 2259.13 N/mm to 2671.06 N/mm with the applied currents of 0.5 A to 2.5 A and frequencies from 1 Hz to 15 Hz. All in all, the optimized configurations improve the performance of MRE bushing remarkably.

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基于FEMM和动态试验机的磁流变弹性体衬套设计及动态刚度评估

本文对磁流变弹性体(MRE)轴套内磁通密度分布的电磁特性进行了仿真研究。MRE衬套的设计理念是在传统汽车衬套的设计基础上，仅用天然橡胶代替MRE复合材料。在此基础上，利用有限元电磁法(FEMM)软件进行了电磁仿真，主要目的是提高磁通密度，表明本研究的磁通密度更高。在本研究中，MRE衬套的最佳配置为单线圈，除线圈轴部外其余部分均采用磁性材料，环板厚度为4mm，磁通密度最高为0.205 t。在此配置下，在0.5 A至2.5 A的电流和1 Hz至15 Hz的频率范围内，MRE衬套的动态刚度范围为2259.13 N/mm至2671.06 N/mm。总而言之，优化后的结构显著提高了MRE衬套的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Mechanical Engineering and Sciences ENGINEERING, MECHANICAL-

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审稿时长

20 weeks

期刊介绍： The Journal of Mechanical Engineering & Sciences "JMES" (ISSN (Print): 2289-4659; e-ISSN: 2231-8380) is an open access peer-review journal (Indexed by Emerging Source Citation Index (ESCI), WOS; SCOPUS Index (Elsevier); EBSCOhost; Index Copernicus; Ulrichsweb, DOAJ, Google Scholar) which publishes original and review articles that advance the understanding of both the fundamentals of engineering science and its application to the solution of challenges and problems in mechanical engineering systems, machines and components. It is particularly concerned with the demonstration of engineering science solutions to specific industrial problems. Original contributions providing insight into the use of analytical, computational modeling, structural mechanics, metal forming, behavior and application of advanced materials, impact mechanics, strain localization and other effects of nonlinearity, fluid mechanics, robotics, tribology, thermodynamics, and materials processing generally from the core of the journal contents are encouraged. Only original, innovative and novel papers will be considered for publication in the JMES. The authors are required to confirm that their paper has not been submitted to any other journal in English or any other language. The JMES welcome contributions from all who wishes to report on new developments and latest findings in mechanical engineering.