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The prediction of nonlinear responses and active stiffness control of moving slender continua subjected to dynamic loadings in a vertical host structure

Kaczmarczyk, S. and Picton, P. (2011) The prediction of nonlinear responses and active stiffness control of moving slender continua subjected to dynamic loadings in a vertical host structure. In: Crocker, M. J., Ivanov, N. and Pawelczyk, M. (eds.) Crocker, Malcolm J, Ivanov, Nickolay and Pawelczyk, Marek Proceedings of the 18th International Congress on Sound and Vibration. Rio de Jainero, Brazil: Curran Associates Inc. 9781618392596. pp. 2767-2774.

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Item Type: Conference Proceedings
Abstract: Slender continua such as long ropes, cables and belts are used as tension and payload-carrying members in various engineering applications. They are deployed in terrestrial mine/underground equipment and high-rise building installations through to tethered offshore tension members, tethered space satellite systems and rotating momentum exchange tethers in Earth’s orbit. The slender continua are inherently non-linear and this leads to large non-linear responses with passages through resonances taking place when the time-varying natural frequencies of the system approach the frequency of the inertial load resulting from the dynamic loadings. In this paper the lateral nonlinear dynamic behaviour of long slender continua moving at speed in a tall host structures is analyzed. A mathematical model comprising nonstationary nonlinear ordinary differential equations is used to describe the dynamic behaviour of the system equipped with a multi-modal active stiffness controller. The active control is implemented by an axial motion of the support which results in substantial reduction of the response
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ1350 Hoisting and conveying machinery
Creators: Kaczmarczyk, Stefan and Picton, Philip
Editors: Crocker, Malcolm J, Ivanov, Nickolay and Pawelczyk, Marek
Publisher: Curran Associates Inc
Faculties, Divisions and Institutes: Faculties > Faculty of Arts, Science & Technology > Engineering
Date: 10 July 2011
Date Type: Publication
Page Range: pp. 2767-2774
Title of Book: Proceedings of the 18th International Congress on Sound and Vibration
Event Title: 18th International Congress on Sound and Vibration (ICSV 18)
Event Dates: 10-14 July 2011
Place of Publication: Rio de Jainero, Brazil
Event Location: Rio de Janeiro, Brazil
Event Type: Conference
Number of Pages: 3287
Language: English
ISBN: 9781618392596
Status: Published / Disseminated
Refereed: Yes
Related URLs:
URI: http://nectar.northampton.ac.uk/id/eprint/4292

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