Targeted energy transfer to a rotary nonlinear energy sink

Sean A. Hubbard, D. Michael McFarland, Alexander F. Vakakis, Lawrence A. Bergman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We study computationally the passive, nonlinear targeted energy transfers induced by resonant interactions between a single-degree-of-freedom nonlinear energy sink and a uniformplate model of a flexible, swept aircraft wing. We show that the nonlinear energy sink can be designed to quickly and efficiently absorb energy from one or more wing modes in a completely passive manner. Results indicate that it is feasible to use such a device to suppress or prevent aeroelastic instabilities like limitcycle oscillations. The design of a compact nonlinear energy sink is introduced and the parameters of the device are examined. Simulations performed using a finite-element model of the wing coupled to discrete equations governing the energy sink indicate that targeted energy transfer is achievable, resulting, for example, in a rapid and significant reduction in the second bending mode response of the wing. Finally, the finite element model is used to simulate the effects of increased nonlinear energy sink stiffness, and to show the conditions under which the nonlinear energy sink will resonantly interact with higher-frequency wing modes.

Original languageEnglish (US)
Title of host publicationASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010
Pages901-911
Number of pages11
DOIs
StatePublished - Dec 1 2010
EventASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010 - Montreal, QC, Canada
Duration: Aug 15 2010Aug 18 2010

Publication series

NameProceedings of the ASME Design Engineering Technical Conference
Volume5

Other

OtherASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010
CountryCanada
CityMontreal, QC
Period8/15/108/18/10

Fingerprint

Energy Transfer
Energy transfer
Energy
Finite Element Model
Discrete Equations
Stiffness
Sweep
Limit Cycle
Aircraft
Degree of freedom
Oscillation
Interaction
Simulation

ASJC Scopus subject areas

  • Modeling and Simulation
  • Mechanical Engineering
  • Computer Science Applications
  • Computer Graphics and Computer-Aided Design

Cite this

Hubbard, S. A., McFarland, D. M., Vakakis, A. F., & Bergman, L. A. (2010). Targeted energy transfer to a rotary nonlinear energy sink. In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010 (pp. 901-911). (Proceedings of the ASME Design Engineering Technical Conference; Vol. 5). https://doi.org/10.1115/DETC2010-28840

Targeted energy transfer to a rotary nonlinear energy sink. / Hubbard, Sean A.; McFarland, D. Michael; Vakakis, Alexander F.; Bergman, Lawrence A.

ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010. 2010. p. 901-911 (Proceedings of the ASME Design Engineering Technical Conference; Vol. 5).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hubbard, SA, McFarland, DM, Vakakis, AF & Bergman, LA 2010, Targeted energy transfer to a rotary nonlinear energy sink. in ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010. Proceedings of the ASME Design Engineering Technical Conference, vol. 5, pp. 901-911, ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010, Montreal, QC, Canada, 8/15/10. https://doi.org/10.1115/DETC2010-28840
Hubbard SA, McFarland DM, Vakakis AF, Bergman LA. Targeted energy transfer to a rotary nonlinear energy sink. In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010. 2010. p. 901-911. (Proceedings of the ASME Design Engineering Technical Conference). https://doi.org/10.1115/DETC2010-28840
Hubbard, Sean A. ; McFarland, D. Michael ; Vakakis, Alexander F. ; Bergman, Lawrence A. / Targeted energy transfer to a rotary nonlinear energy sink. ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2010. 2010. pp. 901-911 (Proceedings of the ASME Design Engineering Technical Conference).
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