Design of filament-wound composite elbows based on non-geodesic trajectories

Design of filament-wound composite elbows based on non-geodesic trajectories In this paper two winding methods were applied to produce filament-wound composite elbows, which are the whole application of non-geodesics, and the application of geodesics for the torus section and non-geodesics for cylindrical end sections. The resulting winding patterns were numerically simulated for various numbers of partitions. Tsai-Wu failure indices of the composite elbows obtained using various initial winding angles were calculated and the burst pressure of the elbow was predicted using finite element method. The results reveal that the whole application of non-geodesics leads to better structural performance of the composite elbows than the partial application of non-geodesics for cylindrical end sections. The present non-geodesics-based method provides a useful reference tool for design and production of filament-wound composite elbows. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Composite Structures Elsevier

Design of filament-wound composite elbows based on non-geodesic trajectories

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0263-8223
eISSN
1879-1085
D.O.I.
10.1016/j.compstruct.2018.02.008
Publisher site
See Article on Publisher Site

Abstract

In this paper two winding methods were applied to produce filament-wound composite elbows, which are the whole application of non-geodesics, and the application of geodesics for the torus section and non-geodesics for cylindrical end sections. The resulting winding patterns were numerically simulated for various numbers of partitions. Tsai-Wu failure indices of the composite elbows obtained using various initial winding angles were calculated and the burst pressure of the elbow was predicted using finite element method. The results reveal that the whole application of non-geodesics leads to better structural performance of the composite elbows than the partial application of non-geodesics for cylindrical end sections. The present non-geodesics-based method provides a useful reference tool for design and production of filament-wound composite elbows.

Journal

Composite StructuresElsevier

Published: Apr 1, 2018

References

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