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Sine Sweep and Steady-state Response of a Simplified Solar Array Model With Nonlinear Support

Fey, RHB; Winter, B; Wijker, JJ; (1999) Sine Sweep and Steady-state Response of a Simplified Solar Array Model With Nonlinear Support. In: Proceedings of DETC’99: ASME Design Engineering Technical Conferences 1999. ASME: Las Vegas, Nevada, USA. Green open access

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Abstract

In this paper the dynamic behaviour of a multi degree of freedom beam model of a solar array structure is investigated both experimentally and numerically. The beam is supported by one nonlinear element, a so-called snubber. This snubber can only take compressive forces. Two types of excitation are applied and compared: sine sweep excitation (with different sweep rates and directions) and steady-state excitation. Emphasis lies on the investigation of the dynamic behaviour of the system under prestress, which implies softening behaviour at the time when snubber and beam loose contact. The system displays rich nonlinear dynamic behaviour: multiple solutions (hysteresis loop), superharmonic resonances and subharmonic, quasi-periodic and chaotic solutions. Good correspondence between experimental and numerical results has been found.

Type: Proceedings paper
Title: Sine Sweep and Steady-state Response of a Simplified Solar Array Model With Nonlinear Support
Event: 1999 ASME design engineering technical conferences &​ computers and information in engineering conference : DETC'99, September 12-16, 1999, Las Vegas, Nevada.
Location: Las Vegas, Nevada, USA
Dates: 12 September 1999 - 15 September 1999
ISBN: 0791819671
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.asme.org/publications-submissions/proc...
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/10040679
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