China Mechanical Engineering ›› 2021, Vol. 32 ›› Issue (11): 1261-1273.DOI: 10.3969/j.issn.1004-132X.2021.11.001

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Overview of Micro Friction to Macro Dynamics for Bolted Connections

CAO Junyi;LIU Qinghua;HONG Jun   

  1. Key Laboratory of Education Ministry for Modern Design and Rotor-bearing System, Xi’an Jiaotong University, Xi’an, 710049
  • Online:2021-06-10 Published:2021-06-22

螺栓连接微观摩擦到宏观动力学研究综述

曹军义;刘清华;洪军   

  1. 西安交通大学现代设计及转子轴承系统教育部重点实验室,西安,710049
  • 作者简介:曹军义,男,1977年生,教授、博士研究生导师。研究方向为振动能量俘获的智能结构与非线性动力学、连接结构的非线性动力学、复杂机电系统故障诊断与健康维护。E-mail: caojy@mail.xjtu.edu.cn。
  • 基金资助:
    国家自然科学基金(51975453,51635010)

Abstract: As a typical mechanical assembly method, bolted connections played an important role in the design and operation of key mechanical equipment in the field of aerospace, military weapons, energy and chemical equipment and transportation industry. Moreover, due to the introduction of the nonlinear factors of stiffness and damping by bolted connections, new challenges in performance predictions and operation reliability were come into being to propel us to comprehensively understanding the characteristics of bolted connections from interface micro friction to macro structural dynamics. Therefore, the micro-macro dynamics of bolted connections reviewed and the fractal characterization modeling, statistical summation modeling and Iwan modeling methods of bolt joint friction constitutive model were summarized. Several experimental benchmarks for testing the friction energy consumption of bolted connections in the world were analyzed in detail. The latest research progresses of nonlinear modeling, parameter identification, numerical simulation and structural health monitoring in the macro dynamics of bolted connections were discussed, and the development trend of this field was prospected.

Key words: bolted connection, micro friction, macro dynamics, constitutive model, experimental benchmark

摘要: 螺栓连接作为一种典型的机械装配结合方式,在航空航天、武器装备、能源化工和交通运输等关键机械装备设计和运行中扮演着至关重要的角色,但螺栓连接也引入了刚度和阻尼非线性因素,给装备的动力学性能预测和服役可靠性带来了新的挑战,这些促使螺栓连接研究涉及界面微观摩擦到宏观结构动力学多个学科。总结分析了螺栓连接界面微观摩擦到宏观动力学研究领域螺栓接头摩擦本构模型的分形表征、统计求和模型和Iwan模型的建模方法,归纳了目前国际上螺栓连接的几种实验测试基准系统,概述了螺栓连接宏观动力学问题中涉及的非线性建模、参数辨识、数值仿真技术和结构健康监测等多方面的最新技术进展,展望了未来螺栓连接动力学需要重点开展研究的方向。

关键词: 螺栓连接, 微观摩擦, 宏观动力学, 本构模型, 实验测试基准

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