Experiments on the Pfluger column: flutter from friction

Kirillov, Oleg, Bigoni, Davide, Misseroni, Diego, Noselli, Giovanni and Tommasini, Mirko (2017) Experiments on the Pfluger column: flutter from friction. In: First International Symposium on Flutter and its Application, 15th-17th May , 2016, Mielparque-Tokyo, Minato-ku, Tokyo, Japan.

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Abstract

Flutter and divergence instabilities are theoretically and experimentally analysed in elastic structures with internal and external damping. Despite of the fact that only the former (and not the latter) was believed to be a destabilizing effect, it is theoretically demonstrated that the external damping plays a role similar to internal damping, so that both yield a pronounced destabilization paradox (in the Ziegler sense). This finding and other features of the Beck and Pfluger columns are substantiated by an experimental campaign in which the follower forces are obtained via dry friction with a newly designed experimental apparatus.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Volume JAXA-SP-16-008E.
Subjects: F300 Physics
G100 Mathematics
H300 Mechanical Engineering
H400 Aerospace Engineering
Department: Faculties > Engineering and Environment > Mathematics and Information Sciences
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Depositing User: Oleg Kirillov
Date Deposited: 26 Jun 2017 09:56
Last Modified: 26 Jun 2017 10:56
URI: http://nrl.northumbria.ac.uk/id/eprint/31191

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