OATAO - Open Archive Toulouse Archive Ouverte Open Access Week

Wake-body resonance of long flexible structures is dominated by counterclockwise orbits

Bourguet, Rémi and Modarres-Sadeghi, Yahya and Karniadakis, George E. and Triantafyllou, Michael S. Wake-body resonance of long flexible structures is dominated by counterclockwise orbits. (2011) Physical review letters , 107 (13). 1-4. ISSN 0031-9007

[img]
Preview
(Document in English)

PDF (Author's version) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
3MB

Official URL: http://dx.doi.org/10.1103/PhysRevLett.107.134502

Abstract

We identify a dominant mechanism in the interaction between a slender flexible structure undergoing free vibrations in sheared cross-flow and the vortices forming in its wake: energy is transferred from the fluid to the body under a resonance condition, defined as wake-body frequency synchronization close to a natural frequency of the structure; this condition occurs within a well-defined region of the span, which is dominated by counterclockwise, figure-eight orbits. Clockwise orbits are associated with damping fluid forces.

Item Type:Article
Additional Information:Thanks to APS editor. The original version can be found at http://prl.aps.org/abstract/PRL/v107/i13/e134502
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Brown University (USA)
Other partners > Massachusetts Institute of Technology - MIT (USA)
Other partners > University of Massachusetts Amherst - UMASS AMHERST (USA)
Statistics:download
Deposited By: Remi BOURGUET
Deposited On:14 Nov 2013 11:28

Repository Staff Only: item control page