Damage hysteresis dynamic model of tangled metal wire based on higher-order dry friction (HDF)

• Published in: Mechanical systems and signal processing 2024-02, Vol.208, p.111073, Article 111073
• Main Authors: Zhou, Chunhui, Ren, Zhiying, Huang, Zihao, Shi, Linwei, Xun, Caijun, Huang, Wei, Lin, Youxi
• Format: Article
• Language: English
• Subjects: Damage hysteresis dynamic model; High-order dry friction (HDF); Tangled metal wire (TMW)
• ISSN: 0888-3270; 1096-1216
• DOI: 10.1016/j.ymssp.2023.111073

[Display omitted] •A damage hysteresis dynamic model of tangled metal was proposed for analyzing the damage incurred by TMW under cycles.•The Damage hysteresis dynamic model was constructed from which the coupled relationship between micro-damage and macroscopic performance degradation in the TMW. This model provides insights into the dynamic damage and life prediction modeling of the TMW.•Based on the higher-order dry friction model that considers the internal structural characteristics and process parameters of TMW, this study further proposed a TMW damage hysteresis dynamic model that characterizes the evolution of internal damage in the TMW. Tangled metal wire (TMW) is a kind of porous hyperplastic high damping material, which can realize the vibration isolation of key equipment. However, the unclear mapping relationship between internal microscopic damage and overall macroscopic performance made it difficult to construct a damage hysteresis dynamic model. This limits the application and development of TMW vibration isolation. In this paper, a strategy to analyze the dynamic damage evolution of TMW was proposed. Firstly, a cross-scale relationship between internal damage in TMW and macroscopic performance degradation was established. Furthermore, a damage hysteresis dynamic model was constructed by considering the high-order dry friction (HDF). The complex spatial spiral structure and preparation process parameters were described by using the HDF. Then, the damage factors of each component force were built and analyzed: The damage factor of HDF could be used to characterize the damage evolution of the metal wire inside TMW and the cross-scale correlation between microscopic damage and macro performance degradation, whereas the degree of hysteresis characteristics of TMW could be characterized by the damage factor of hysteretic coulomb damper. Finally, the damage hysteresis dynamic model was evaluated through residual analysis, and it has high prediction accuracy in more than 80 % of the cycles R2>0.7. This paper provided a new idea for the modeling of TMW life prediction.