Asymmetric Magnet-Based Nonlinear Energy Sink
Abstract
The nonlinear energy sink (NES) is a light-weighted device used for shock mitigation in dynamic structures through its passive targeted energy transfer (TET) mechanism. Here, a new design for the NES is introduced based on using an asymmetric NES force. This force is strongly nonlinear in one side of the NES equilibrium position, whereas it is either weakly nonlinear or weakly linear in the other side. This is achieved by introducing the asymmetric magnet-based NES in which the asymmetric nonlinear magnetic repulsive force is generated by two pairs of aligned permanent magnets. Consequently, this proposed design is found to provide a considerable enhancement in the shock mitigation performance compared with the symmetric stiffness-based NESs for broadband energy inputs.
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In magnet-based NES, the nonlinear magnetic repulsive force of permanent magnets is used as an alternative to nonlinear spring elements to generate tunable symmetric and asymmetric nonlinear coupling force with the linear structure.
“In this type of NES, the nonlinear magnetic repulsive force of permanent magnets is used as an alternative to the nonlinear spring elements to generate tunable symmetric and asymmetric nonlinear coupling force with the linear structure [113, 114]”
From A review on nonlinear energy sinks: designs, analysis and applications of impact and rotary types (2023) · cites this paper as [113]
Cites
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Targeted energy transfers in vibro-impact oscillators for seismic mitigation
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Dynamics of an Eccentric Rotational Nonlinear Energy Sink
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A review on nonlinear energy sinks: designs, analysis and applications of impact and rotary types
Saeed, A. S., Abdul Nasar, R., & AL-Shudeifat, M. A. (2023) · Nonlinear Dynamics · doi:10.1007/s11071-022-08094-y · Cited by 208 · see citing works
Self-citationA magnetic Bi-stable nonlinear energy sink for structural seismic control
Chen, Y.-Y., Qian, Z.-C., Zhao, W., & Chang, C.-M. (2020) · Journal of Sound and Vibration · doi:10.1016/j.jsv.2020.115233 · Cited by 86 · see citing works
Nonlinear Energy Sinks With Piecewise-Linear Nonlinearities
AL-Shudeifat, M. A. (2019) · Journal of Computational and Nonlinear Dynamics · doi:10.1115/1.4045052 · Cited by 45 · see citing works
Self-citationMagnetic Nonlinear Energy Sink for Vibration Attenuation of Unbalanced Rotor System
Yao, H., Zheng, D., & Wen, B. (2017) · Shock and Vibration · doi:10.1155/2017/4132607 · Cited by 25 · see citing works
- Authors
- AL-Shudeifat, M. A.
- Affiliations
- Khalifa University of Science and Technology (AE)
- Corresponding author
- AL-Shudeifat, Mohammad A.
- Venue
- Journal of Computational and Nonlinear Dynamics
- Publisher
- ASME International
- Published
- 2014-10-13
- Volume
- 10
- Issue
- 1
- ISSN
- 1555-1415 (ISSN-L)
- 1555-1423
- OpenAlex
- W2077795298
- Cited by
- 94
- References
- 5
- Citations by year
- 2026: 4 · 2025: 9 · 2024: 17 · 2023: 6 · 2022: 8 · 2021: 10 · 2020: 7 · 2019: 10 · 2018: 9 · 2017: 2 · 2016: 6 · 2015: 6
- FWCI
- 8.94
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Computational and Nonlinear Dynamics (publishedVersion)
- Topics
- Physical Sciences › Engineering › Civil and Structural Engineering › Vibration Control and Rheological Fluids
- Physical Sciences › Engineering › Control and Systems Engineering › Vibration and Dynamic Analysis
- Physical Sciences › Engineering › Mechanical Engineering › Innovative Energy Harvesting Technologies
- Keywords
- nonlinear energy sink, permanent magnets, targeted energy transfer, shock mitigation, passive vibration control, nonlinear stiffness
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