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author:

Chen, Y. (Chen, Y..) [1] | Ge, S. (Ge, S..) [2] | Liu, J. (Liu, J..) [3] | Chen, X. (Chen, X..) [4] (Scholars:陈小超) | Xue, X. (Xue, X..) [5] (Scholars:薛新)

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Scopus

Abstract:

As a high-temperature resistant damping material, reducing vibration by coating with M-shape metal rubber (MMR) in a pipeline system is a promising solution due to its energy dissipation induced by micro dry friction between metallic wires. The main challenge for dynamic calculation and performance evaluation of elastic-porous metal rubber (MR) is derived from the intricate spatial network structure. In this work, the dynamic properties including acceleration admittance and insertion loss of the MMR-coated pipeline system were conducted by numerical simulation and experimental analysis. The constitutive models used to characterize hysteresis phenomena, including Yeoh and Bergström-Boyce models, were identified with different density parameters and adopted for steady-state dynamic numerical analysis. The sine sweep frequency test was conducted to verify the accuracy of the developed numerical model. The results indicate that the maximum error of stress-strain curve between numerical prediction and experimental measurement is 10.7%. In the frequency range of 0-1 500 Hz, the insertion loss of the MMR-coated pipeline system is positively correlated with the density of MMR, as opposed to the coating distance of pipeline clamps and the influence of excitation force is minimal. Furthermore, the error of dynamic response of the pipeline system in low frequency between the experiment and simulation is 4.7%, indicating that the accuracy of the hysteresis model in predicting the dynamic characteristic of MR materials is effective.  © 2025 World Scientific Publishing Company.

Keyword:

dynamic characteristics elastic-porous metal rubber Hysteresis model pipeline system

Community:

  • [ 1 ] [Chen Y.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
  • [ 2 ] [Ge S.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
  • [ 3 ] [Liu J.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
  • [ 4 ] [Chen X.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
  • [ 5 ] [Xue X.]School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China

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Source :

International Journal of Structural Stability and Dynamics

ISSN: 0219-4554

Year: 2024

3 . 0 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 2

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