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Modeling the Bistability of Laminated Composite Toroidal Slit Tubes

Knott, Geoffrey and Viquerat, Andrew (2016) Modeling the Bistability of Laminated Composite Toroidal Slit Tubes In: 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016-01-04 - 2016-01-08, San Diego, CA, USA.

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Abstract

The bistability of a toroidal slit tube is modeled using the Rayleigh-Ritz method. Approximate explicit expressions for the original stable deployed geometry, and the deformed stowed geometry are used to derive forms for the bending and stretching strain energy. The surface of a torus has varying Gaussian curvature, requiring a new approach to the modeling and analysis of the stable configurations. A comparative study with established straight-BRC models was conducted from which the doubly curved-BRC model presented here predicts second stable state coil radii with 96.25% agreement.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
NameEmailORCID
Knott, Geoffreygeoffrey.knott@surrey.ac.uk
Viquerat, Andrewa.viquerat@surrey.ac.uk
Date : 6 January 2016
Funders : Engineering and Physical Sciences Research Council (EPSRC)
DOI : 10.2514/6.2016-1499
Copyright Disclaimer : Copyright 2018 AIAA
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:48
Last Modified : 14 Dec 2018 08:28
URI: http://epubs.surrey.ac.uk/id/eprint/840377

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