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Simulation and Experimental Analysis of Mechanical Properties of a Bidirectional Adjustable Magnetorheological Fluid Damper
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Zhi-rong YANG1, Zhong-min YE1, Jin-liang LIU1, Zhu-shi RAO2, Wang-qiang XIAO3
Journal of Ship Mechanics | 2025, 29(6) : 1000 - 1012
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Journal of Ship Mechanics | 2025, 29(6): 1000-1012
• Hydro/Structural Acoustics •
Simulation and Experimental Analysis of Mechanical Properties of a Bidirectional Adjustable Magnetorheological Fluid Damper
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Zhi-rong YANG1, Zhong-min YE1, Jin-liang LIU1, Zhu-shi RAO2, Wang-qiang XIAO3
Affiliations
  • 1.School of Marine Engineering, Jimei University, Xiamen 361021, China
  • 2.State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
  • 3.School of Aerospace Engineering, Xiamen University, Xiamen 361102, China
Published: 2025-06-20 doi: 10.3969/j.issn.1007-7294.2025.06.013
Outline
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The aim of this study is to address the issues associated with traditional magnetorheological fluid (MRF) dampers, such as insufficient damping force after power failure and susceptibility to settlement. In order to achieve this, a bidirectional adjustable MRF damper was designed and developed. Magnetic field simulation analysis was conducted on the damper, along with simulation analysis on its dynamic characteristics. The dynamic characteristics were ultimately validated through experimental testing on the material testing machine, thereby corroborating the theoretical simulation results. Concurrently, this process generated valuable test data for subsequent implementation of the semi-active vibration control system. The simulation and test results demonstrate that the integrated permanent magnet effectively accomplishes bidirectional regulation. The magnetic induction intensity of the damping channel is 0.2 T in the absence of current, increases to 0.5 T when a maximum forward current of 4 A is applied, and becomes 0 T when a maximum reverse current of 3.8 A is applied. When the excitation amplitude is 8 mm and the frequency is 2 Hz, with the applied currents varying, the maximum damping force reaches 8 kN, while the minimum damping force measures at 511 N. Additionally, at zero current, the damping force stands at 2 kN, which aligns closely with simulation results. The present paper can serve as a valuable reference for the design and research of semi-active MRF dampers.

magnetorheological fluid (MRF)  /  damper  /  permanent magnet  /  finite element analysis  /  test of mechanical properties
Zhi-rong YANG, Zhong-min YE, Jin-liang LIU, Zhu-shi RAO, Wang-qiang XIAO. Simulation and Experimental Analysis of Mechanical Properties of a Bidirectional Adjustable Magnetorheological Fluid Damper[J]. Journal of Ship Mechanics, 2025 , 29 (6) : 1000 -1012 . DOI: 10.3969/j.issn.1007-7294.2025.06.013
Funding
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  • National Natural Science Foundation of China(52475104)
  • Guiding Project of Science and Technology Plan of Fujian Province(2024H0015)
  • Leading Innovation Project of China National Nuclear Group(22GFC-JJ12-475)
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Year 2025 volume 29 Issue 6
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.06.013
  • Receive Date：2024-12-21
  • Online Date：2026-03-24
  • Published：2025-06-20
Article Data
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History
  • Received：2024-12-21
Funding
National Natural Science Foundation of China(52475104)
Guiding Project of Science and Technology Plan of Fujian Province(2024H0015)
Leading Innovation Project of China National Nuclear Group(22GFC-JJ12-475)
Affiliations
    1.School of Marine Engineering, Jimei University, Xiamen 361021, China
    2.State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China
    3.School of Aerospace Engineering, Xiamen University, Xiamen 361102, China
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https://castjournals.cast.org.cn/joweb/cblx/EN/10.3969/j.issn.1007-7294.2025.06.013
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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