Passive damping enhancement of a two-degree-of-freedom system through a strongly nonlinear two-degree-of-freedom attachment

Nicholas E. Wierschem; D. Dane Quinn; Sean A. Hubbard; Mohammad A. Al-Shudeifat; D. Michael McFarland; Jie Luo; Larry A. Fahnestock; Billie F. Spencer; Alexander F. Vakakis; Lawrence A. Bergman

doi:10.1016/j.jsv.2012.06.023

Passive damping enhancement of a two-degree-of-freedom system through a strongly nonlinear two-degree-of-freedom attachment

Nicholas E. Wierschem, D. Dane Quinn, Sean A. Hubbard, Mohammad A. Al-Shudeifat, D. Michael McFarland, Jie Luo, Larry A. Fahnestock, Billie F. Spencer, Alexander F. Vakakis, Lawrence A. Bergman

Research output: Contribution to journal › Article

Abstract

This work reports on the first experimental study of the broadband targeted energy transfer properties of a two-degree-of-freedom (two-DOF) essentially nonlinear energy absorber. In particular, proper design of the absorber allows for an extended range of energy over which it serves to significantly enhance the damping observed in the structural system to which it is attached. Comparisons of computational and experimental results validate the proposed design as a means of drastically enhancing the damping properties of a structure by passive broadband targeted energy transfers to a strongly nonlinear, multidegree-of-freedom attachment.

Original language	English (US)
Pages (from-to)	5393-5407
Number of pages	15
Journal	Journal of Sound and Vibration
Volume	331
Issue number	25
DOIs	https://doi.org/10.1016/j.jsv.2012.06.023
State	Published - Dec 3 2012

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Acoustics and Ultrasonics
Mechanical Engineering

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10.1016/j.jsv.2012.06.023

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Wierschem, N. E., Quinn, D. D., Hubbard, S. A., Al-Shudeifat, M. A., McFarland, D. M., Luo, J., Fahnestock, L. A., Spencer, B. F., Vakakis, A. F., & Bergman, L. A. (2012). Passive damping enhancement of a two-degree-of-freedom system through a strongly nonlinear two-degree-of-freedom attachment. Journal of Sound and Vibration, 331(25), 5393-5407. https://doi.org/10.1016/j.jsv.2012.06.023

Passive damping enhancement of a two-degree-of-freedom system through a strongly nonlinear two-degree-of-freedom attachment. / Wierschem, Nicholas E.; Quinn, D. Dane; Hubbard, Sean A.; Al-Shudeifat, Mohammad A.; McFarland, D. Michael; Luo, Jie; Fahnestock, Larry A.; Spencer, Billie F.; Vakakis, Alexander F.; Bergman, Lawrence A.

In: Journal of Sound and Vibration, Vol. 331, No. 25, 03.12.2012, p. 5393-5407.

Research output: Contribution to journal › Article

Wierschem, NE, Quinn, DD, Hubbard, SA, Al-Shudeifat, MA, McFarland, DM, Luo, J, Fahnestock, LA , Spencer, BF , Vakakis, AF & Bergman, LA 2012, 'Passive damping enhancement of a two-degree-of-freedom system through a strongly nonlinear two-degree-of-freedom attachment', Journal of Sound and Vibration, vol. 331, no. 25, pp. 5393-5407. https://doi.org/10.1016/j.jsv.2012.06.023

Wierschem, Nicholas E. ; Quinn, D. Dane ; Hubbard, Sean A. ; Al-Shudeifat, Mohammad A. ; McFarland, D. Michael ; Luo, Jie ; Fahnestock, Larry A. ; Spencer, Billie F. ; Vakakis, Alexander F. ; Bergman, Lawrence A. / Passive damping enhancement of a two-degree-of-freedom system through a strongly nonlinear two-degree-of-freedom attachment. In: Journal of Sound and Vibration. 2012 ; Vol. 331, No. 25. pp. 5393-5407.

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