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Stability Analysis of Coiled Tape Springs

Pedivellano, Antonio and Pellegrino, Sergio (2019) Stability Analysis of Coiled Tape Springs. In: AIAA Scitech 2019 Forum. AIAA , Reston, VA, Art. No. 2019-1523. ISBN 9781624105784.

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Tape springs have been used for many years in deployable booms and space mechanisms and currently are bing considered as components for more advanced deployable structures. Tape springs can be elastically coiled and will self-deploy when released. Their stability in the packaged configuration is critical for these applications. We propose a numerical and analytical framework to investigate the stability of coiled isotropic tape springs, where neither tension nor radial pressure are applied. Torsional and bending instabilities were observed when the ration between the coiled radius and the radius of the cross-section exceeded a critical value. A stability boundary is derived for different geometries and material properties. The effects of varying the number of coils and the self-contact conditions between adjacent loops of a tape spring are also studied, and the existence of out-of-plane instability modes is discussed.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Pellegrino, Sergio0000-0001-9373-3278
Additional Information:© 2019 American Institute of Aeronautics and Astronautics.
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Other Numbering System NameOther Numbering System ID
AIAA Paper2019-1523
Record Number:CaltechAUTHORS:20190805-134838114
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Official Citation:Stability Analysis of Coiled Tape Springs Antonio Pedivellano and Sergio Pellegrino AIAA Scitech 2019 Forum.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97649
Deposited By: George Porter
Deposited On:07 Aug 2019 22:27
Last Modified:16 Nov 2021 17:33

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