Mechanics of Solids (about journal) Mechanics of Solids
A Journal of Russian Academy of Sciences
in January 1966
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Print ISSN 0025-6544
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IssuesArchive of Issues2020-2pp.218-226

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V.N. Antonov, "Suppression of Unstable Osclilations of Mechanical Structures," Mech. Solids. 55 (2), 218-226 (2020)
Year 2020 Volume 55 Number 2 Pages 218-226
DOI 10.3103/S0025654420020065
Title Suppression of Unstable Osclilations of Mechanical Structures
Author(s) V.N. Antonov ("Zashita" Ltd, Podolsk, Moscow oblast, 142111 Russia,
Abstract A natural phenomenon has been discovered - a natural property of nonlinear oscillations of elastic mechanical structures interacting with the environment. The indicated property, related in view of its objective reality to natural phenomena, is as follows: if the forces of excitation of structural vibrations from the environment exceed the strength of their damping, then the frequency of oscillations increases or decreases depending on whether the excitation of oscillations is associated with displacements or velocities of design points.

On the basis of the natural property, a mathematical model of oscillations with a variable frequency was first constructed and the mechanisms of the implementation of three methods for suppressing unstable structural oscillations, allowing to switch from an unstable state to periodic structural oscillations, are presented.
Keywords oscillations with a variable frequency, suppression of unstable oscillations, a natural phenomenon in the mechanics of oscillations
Received 24 March 2018Revised 14 January 2019Accepted 04 September 2019
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