Journal of Applied Engineering Science
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2022, vol. 20, br. 1, str. 53-62
Vibration reduction of continuous moving loads on a nonlinear simple beam resting on an elastic foundation
(naslov ne postoji na srpskom)
Tamkang University, Department of Aerospace Engineering, New Taipei City, Taiwan

This research was supported by the Ministry of Science and Technology of Taiwan, Republic of China (Title of the project: Analysis and verification of space rockets - subproject: Vibration reducing on space rockets. Grant number: MOST 109-2224-E-006-004)

Ključne reči: internal resonance; fixed points plot; vibration; dynamic vibration absorber
(ne postoji na srpskom)
This technical note investigates a hinged-hinged nonlinear Euler-Bernoulli beam resting on an elastic foundation subjects to moving loads. The method of multiple scales (MOMS) is employed to analyze this nonlinear beam model. The fixed points plots are made to identify the system's internal resonance. The frequency ratio plot is proposed to predict the system internal resonance conditions. This study improved the author's earlier work for a wider range of prediction on internal resonance conditions. The continuous concentrated moving loads are applied to this nonlinear beam model. The dynamic vibration absorber (DVA) is attached on the beam to reduce vibration and prevent internal resonance. The mass, spring constant and location of the DVA are studied to obtain the best damping effect on the nonlinear beam with moving loads. The results are verified by numerical results and ANSYS simulations.
Kumar, S.C.P., Sujatha, C.P., Shankar, K. (2015) Vibration of simply supported beams under a single moving load: A detailed study of cancellation phenomenon. International Journal of Mechanical Sciences, 99: 40-47
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.5937/jaes0-30916
primljen: 20.02.2021.
prihvaćen: 28.05.2021.
objavljen u SCIndeksu: 18.03.2022.
metod recenzije: dvostruko anoniman
Creative Commons License 4.0

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