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Dynamic response
and mechanical model analysis of a shear thickening fluid
damper
Xiao Ning Mo, Ji Xing Meng, Zhao-Dong Xu, Xing-Huai Huang, Yang Yang, Juncheng Yao, Jing-Bo Song and Fengfeng Ran |
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Vol. 20 (2025), No. 2, 211–228
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Abstract |
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In this study, a smart damper based on shear thickening fluid (STF) was developed, and its dynamic mechanical performance was investigated. STFs with various mass fractions were prepared, and their rheological properties were characterized under steady-state and dynamic conditions. These fluids were incorporated into dampers, and dynamic tests were conducted under different frequencies and amplitudes to analyze the variation in damping force. Experimental results suggest that the STF-based damper exhibits effective damping performance. A force-velocity relationship model of the STF damper was established based on the experimental data, revealing that during the compression stage, the behavior conforms to Boltzmann’s law, while during the recovery stage, it exhibits exponential behavior. By integrating the relationships among STF mass fractions, loading speeds, and maximum output damping forces, a three-dimensional plot was generated to guide future research and industrial applications. |
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Keywords
shear thickening fluid, smart damper, dynamic
characteristics, force-velocity model
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Milestones
Received: 28 December 2024
Revised: 25 April 2025
Accepted: 17 May 2025
Published: 1 September 2025
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Authors |
| Xiao Ning Mo | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Shenzhen Research Institute Southeast University Shenzhen 518063 China |
| Ji Xing Meng | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Jiangsu Key Laboratory of Mechanical
Analysis for Infrastructure and Advance Equipment School of Civil Engineering Southeast University Nanjing, 210096 China |
| Zhao-Dong Xu | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Shenzhen Research Institute Southeast University Shenzhen 518063 China |
| Xing-Huai Huang | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Shenzhen Research Institute Southeast University Shenzhen 518063 China |
| Yang Yang | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
|
| Juncheng Yao | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
|
| Jing-Bo Song | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
|
| Fengfeng Ran | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
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| © 2025 MSP (Mathematical Sciences Publishers). |
