Applied Mathematics and Mechanics (English Edition) ›› 2025, Vol. 46 ›› Issue (11): 2075-2094.doi: https://doi.org/10.1007/s10483-025-3318-9

Previous Articles     Next Articles

Reduction of moving-load induced vibrations of graphene-reinforced composite beams with general boundary conditions viaa nonlinear energy sink

Hongli LIU1,2, Shangchuan XIE3, Jie CHEN4,(), Fengming LI1, Wei ZHOU2   

  1. 1.College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China
    2.Research Institute of Highway Ministry of Transport, Beijing 100088, China
    3.Hangzhou Xinchuan New Materials Co., Ltd., Hangzhou 310000, China
    4.School of Mathematics, Statistics and Mechanics, Beijing University of Technology, Beijing 100124, China
  • Received:2025-07-14 Revised:2025-09-26 Published:2025-10-29
  • Contact: †Jie CHEN, E-mail: jchen@bjut.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (No. 12472003), the Key Research Project of Zhejiang Market Supervision Administration (No. ZD2024013), and the Technical Project of Research Institute of Highway Ministry of Transport of China (No. 0225KF12SC1002)

Abstract:

Moving-load induced vibrations can, in certain instances, exceed those caused by equivalent static loads, especially at the critical velocity of moving loads. Suppressing these vibrations is of critical practical importance in various engineering fields, including the design of precision robotics and advanced aerospace structures where components are subject to moving loads. In this paper, an inertial nonlinear energy sink (NES) is used for the first time to reduce the vibration response of graphene platelet (GPL)-reinforced nanocomposite beams with elastic boundaries under moving loads. Based on the von Kármán nonlinear theory, the governing equations of the beam-NES system are derived using the Lagrange equation. The Newmark-Newton method, in conjunction with the Heaviside step function, is used to obtain the nonlinear responses of the beam under moving loads. The effects of the boundary spring stiffness, the GPL parameters, as well as the velocity and frequency of the moving loads on the beam response and the performance of the NES are thoroughly studied. The results of this work provide insights into applying NESs to suppress the nonlinear vibrations induced by moving loads in composite structures with elastic boundaries.

Key words: nonlinear energy sink (NES), moving load, vibration control, graphene nanoplatelet, elastic boundary condition

2010 MSC Number: 

APS Journals | CSTAM Journals | AMS Journals | EMS Journals | ASME Journals