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Modeling the hinge moment of skew mounted tape spring folds

Modeling the hinge moment of skew mounted tape spring folds
Modeling the hinge moment of skew mounted tape spring folds
Tape springs, defined as thin metallic strips with an initially curved cross section, are an attractive structural solution and hinge mechanism for small satellite deployable structures due to their low mass, low cost and general simplicity. When mounted at skewed angles to the hinge line, the tapes can be subjected to complex folds involving both bending and twisting of the tape. These folds have been experimentally investigated and theories have been developed to model the resulting opening moment. However, the opening moment of these theories are not equivalent to the opening moment about the hinge line, which is the parameter required in satellite deployment applications. This paper derives a method to determine the hinge moment from the previous theories and compares the theoretical predictions with experimental and finite element results. It uses this model to investigate the predicted hinge moment trends for full deployments of 180 degrees. The model is then applied to a practical spacecraft hinge application.
tape spring skew deployable structures
0893-1321
102-115
Walker, S.J.I.
f28a342f-9755-48fd-94ea-09e44ac4dbf5
Aglietti, G.S.
e44d0dd4-0f71-4399-93d2-b802365cfb9e
Walker, S.J.I.
f28a342f-9755-48fd-94ea-09e44ac4dbf5
Aglietti, G.S.
e44d0dd4-0f71-4399-93d2-b802365cfb9e

Walker, S.J.I. and Aglietti, G.S. (2007) Modeling the hinge moment of skew mounted tape spring folds. Journal of Aerospace Engineering, 20 (2), 102-115. (doi:10.1061/(ASCE)0893-1321(2007)20:2(102)).

Record type: Article

Abstract

Tape springs, defined as thin metallic strips with an initially curved cross section, are an attractive structural solution and hinge mechanism for small satellite deployable structures due to their low mass, low cost and general simplicity. When mounted at skewed angles to the hinge line, the tapes can be subjected to complex folds involving both bending and twisting of the tape. These folds have been experimentally investigated and theories have been developed to model the resulting opening moment. However, the opening moment of these theories are not equivalent to the opening moment about the hinge line, which is the parameter required in satellite deployment applications. This paper derives a method to determine the hinge moment from the previous theories and compares the theoretical predictions with experimental and finite element results. It uses this model to investigate the predicted hinge moment trends for full deployments of 180 degrees. The model is then applied to a practical spacecraft hinge application.

Text
2007_PROOF_-_Journal_of_Aerospace_Eng_-_Modeling_the_Hinge_Moment_of_Skew-Mounted_Tape_Spring_Folds.pdf - Author's Original
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More information

Submitted date: 10 March 2006
Published date: April 2007
Keywords: tape spring skew deployable structures
Organisations: Aeronautics, Astronautics & Comp. Eng, Faculty of Engineering and the Environment, Astronautics Group

Identifiers

Local EPrints ID: 39592
URI: http://eprints.soton.ac.uk/id/eprint/39592
ISSN: 0893-1321
PURE UUID: a692c4dc-706d-424d-a46a-4d4ca58ed43c

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Date deposited: 29 Jun 2006
Last modified: 15 Mar 2024 08:15

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Contributors

Author: S.J.I. Walker
Author: G.S. Aglietti

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