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Propagating Instabilities in Coilable Booms

Luo, Wen and Pellegrino, Sergio (2022) Propagating Instabilities in Coilable Booms. In: AIAA SCITECH 2022 Forum. American Institute of Aeronautics and Astronautics , Reston, VA, Art. No. 2022-0407. ISBN 978-1-62410-631-6.

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Coilable booms consisting of thin composite shells bonded along a common edge are being considered for novel deployable spacecraft structures. These booms have many desirable features such as light weight, high stiffness, and high packaging efficiency, but this successful realization poses new challenges. In this paper, we study the propagating buckles that have been observed in the transition region between the coiled and deployed parts of the booms. These buckles, which can cause local stress concentrations and material failure, are typical of booms with built-up sections. They do not occur in tape springs. We investigate the root cause for the propagating buckles and discuss the possibility of limiting the buckle growth by increasing the material shear modulus.

Item Type:Book Section
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URLURL TypeDescription Presentation
Pellegrino, Sergio0000-0001-9373-3278
Additional Information:© 2022 by the American Institute of Aeronautics and Astronautics, Inc.
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Other Numbering System NameOther Numbering System ID
AIAA Paper2022-0407
Record Number:CaltechAUTHORS:20220210-928328000
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Official Citation:Wen Luo and Sergio Pellegrino. "Propagating Instabilities in Coilable Booms," AIAA 2022-0407. AIAA SCITECH 2022 Forum. January 2022.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:113380
Deposited By: George Porter
Deposited On:10 Feb 2022 21:20
Last Modified:10 Feb 2022 22:09

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