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Vibration control of a cantilever beam coupled with magnetic tri-stable nonlinear energy sink

Jundong Fu, Shui Wan, Wenke Li, Jiwei Shen, Harikrishnan Venugopal (UGent) , Mia Loccufier (UGent) and Kevin Dekemele (UGent)
(2024) NONLINEAR DYNAMICS. 112(17). p.14829-14851
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Abstract
In response to limitations in vibration suppression performance of traditional linear tuned mass damper due to energy threshold constraints and narrow vibration bands, this study proposes a magnetic tri-stable NES (MTNES) formed by combining a linear spring and magnets. Compared to the conventional nonlinear energy sink (NES), the magnetic tri-stable NES (MTNES) incorporates magnetism to enhance the nonlinear stiffness. Firstly, the mechanism of the MTNES is introduced in this study, which reveals the existence of the three stable points in the system. Subsequently, the equations of motion of the coupled system with MTNES attached to the cantilever beam are derived, and the optimal parameter combination for MTNES is determined using a global optimization method. Furthermore, the influence of MTNES parameter variations on vibration suppression efficiency is studied through parameter analysis. Then, the restoring force of the MTNES is simplified into polynomial form, and the system response is analyzed using the harmonic balance method and Runge-Kutta method. Finally, experimental studies on the coupled system are conducted. The results indicate that MTNES can effectively suppress the resonance of the host structure within a wide frequency band, with the highest vibration suppression rate of up to 66% under strong modulated response. Additionally, the results of numerical calculations and theoretical analysis are in good agreement with that of the experiment.
Keywords
Magnetic tri-stable nonlinear energy sink, Cantilever beam, Vibration control, Harmonic balance method, Runge-Kutta method, Experimental validation, STEADY-STATE DYNAMICS, TUNED MASS DAMPERS, NORMAL-MODES, MECHANICAL OSCILLATORS, SYSTEM IDENTIFICATION, SEISMIC MITIGATION, LINEAR-OSCILLATOR, SHEAR FRAME, PART II, TRANSFERS

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MLA
Fu, Jundong, et al. “Vibration Control of a Cantilever Beam Coupled with Magnetic Tri-Stable Nonlinear Energy Sink.” NONLINEAR DYNAMICS, vol. 112, no. 17, 2024, pp. 14829–51, doi:10.1007/s11071-024-09849-5.
APA
Fu, J., Wan, S., Li, W., Shen, J., Venugopal, H., Loccufier, M., & Dekemele, K. (2024). Vibration control of a cantilever beam coupled with magnetic tri-stable nonlinear energy sink. NONLINEAR DYNAMICS, 112(17), 14829–14851. https://doi.org/10.1007/s11071-024-09849-5
Chicago author-date
Fu, Jundong, Shui Wan, Wenke Li, Jiwei Shen, Harikrishnan Venugopal, Mia Loccufier, and Kevin Dekemele. 2024. “Vibration Control of a Cantilever Beam Coupled with Magnetic Tri-Stable Nonlinear Energy Sink.” NONLINEAR DYNAMICS 112 (17): 14829–51. https://doi.org/10.1007/s11071-024-09849-5.
Chicago author-date (all authors)
Fu, Jundong, Shui Wan, Wenke Li, Jiwei Shen, Harikrishnan Venugopal, Mia Loccufier, and Kevin Dekemele. 2024. “Vibration Control of a Cantilever Beam Coupled with Magnetic Tri-Stable Nonlinear Energy Sink.” NONLINEAR DYNAMICS 112 (17): 14829–14851. doi:10.1007/s11071-024-09849-5.
Vancouver
1.
Fu J, Wan S, Li W, Shen J, Venugopal H, Loccufier M, et al. Vibration control of a cantilever beam coupled with magnetic tri-stable nonlinear energy sink. NONLINEAR DYNAMICS. 2024;112(17):14829–51.
IEEE
[1]
J. Fu et al., “Vibration control of a cantilever beam coupled with magnetic tri-stable nonlinear energy sink,” NONLINEAR DYNAMICS, vol. 112, no. 17, pp. 14829–14851, 2024.
@article{01J1AB1MHW16X1P9PGHPGB2WXP,
  abstract     = {{In response to limitations in vibration suppression performance of traditional linear tuned mass damper due to energy threshold constraints and narrow vibration bands, this study proposes a magnetic tri-stable NES (MTNES) formed by combining a linear spring and magnets. Compared to the conventional nonlinear energy sink (NES), the magnetic tri-stable NES (MTNES) incorporates magnetism to enhance the nonlinear stiffness. Firstly, the mechanism of the MTNES is introduced in this study, which reveals the existence of the three stable points in the system. Subsequently, the equations of motion of the coupled system with MTNES attached to the cantilever beam are derived, and the optimal parameter combination for MTNES is determined using a global optimization method. Furthermore, the influence of MTNES parameter variations on vibration suppression efficiency is studied through parameter analysis. Then, the restoring force of the MTNES is simplified into polynomial form, and the system response is analyzed using the harmonic balance method and Runge-Kutta method. Finally, experimental studies on the coupled system are conducted. The results indicate that MTNES can effectively suppress the resonance of the host structure within a wide frequency band, with the highest vibration suppression rate of up to 66% under strong modulated response. Additionally, the results of numerical calculations and theoretical analysis are in good agreement with that of the experiment.}},
  author       = {{Fu, Jundong and Wan, Shui and Li, Wenke and Shen, Jiwei and Venugopal, Harikrishnan and Loccufier, Mia and Dekemele, Kevin}},
  issn         = {{0924-090X}},
  journal      = {{NONLINEAR DYNAMICS}},
  keywords     = {{Magnetic tri-stable nonlinear energy sink,Cantilever beam,Vibration control,Harmonic balance method,Runge-Kutta method,Experimental validation,STEADY-STATE DYNAMICS,TUNED MASS DAMPERS,NORMAL-MODES,MECHANICAL OSCILLATORS,SYSTEM IDENTIFICATION,SEISMIC MITIGATION,LINEAR-OSCILLATOR,SHEAR FRAME,PART II,TRANSFERS}},
  language     = {{eng}},
  number       = {{17}},
  pages        = {{14829--14851}},
  title        = {{Vibration control of a cantilever beam coupled with magnetic tri-stable nonlinear energy sink}},
  url          = {{http://doi.org/10.1007/s11071-024-09849-5}},
  volume       = {{112}},
  year         = {{2024}},
}
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