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Flexural vibration systems with gyroscopic spinners

Carta, G, Nieves, MJ, Jones, IS, Movchan, NV and Movchan, AB (2019) Flexural vibration systems with gyroscopic spinners. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 377 (2156). ISSN 1364-503X

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In this paper, we study the spectral properties of a finite system of flexural elements connected by gyroscopic spinners. We determine how the eigenfrequencies and eigenmodes of the system depend on the gyricity of the spinners. In addition, we present a transient numerical simulation that shows how a gyroscopic spinner attached to the end of a hinged beam can be used as a ‘stabilizer’, reducing the displacements of the beam. We also discuss the dispersive properties of an infinite periodic system of beams with gyroscopic spinners at the junctions. In particular, we investigate how the band-gaps of the structure can be tuned by varying the gyricity of the spinners.

Item Type: Article
Uncontrolled Keywords: Science & Technology; Multidisciplinary Sciences; Science & Technology - Other Topics; flexural waves; dispersion; chirality; gyroscopic spinners; gyrobeam; WAVES; DYNAMICS; LOCALIZATION; TRANSMISSION; STABILITY; BEAMS
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Maritime & Mechanical Engineering (merged with Engineering 10 Aug 20)
Publisher: Royal Society, The
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Date Deposited: 02 Mar 2020 10:12
Last Modified: 04 Sep 2021 07:49
DOI or ID number: 10.1098/rsta.2019.0154
URI: https://researchonline.ljmu.ac.uk/id/eprint/12352
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