Spring constants of filament-wound composite circular rings

P. C. Tse; S. R. Reid; S. P. Ng

doi:10.1243/0954406011520634

Spring constants of filament-wound composite circular rings

P. C. Tse^*, S. R. Reid, S. P. Ng

^*Corresponding author for this work

Engineering

Hong Kong Polytechnic University

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Closed-form solutions from complementary strain energy are derived for the spring stiffnesses of mid-surface symmetric, filament-wound, composite circular rings under unidirectional loading. A three-dimensional finite element analysis (FEA) including the effects of transverse shear has also been applied to study the problem. Four ±45° and four ±75° E-glass/epoxy composite rings of odd numbers of coves were tested. Comparisons of the results obtained from the two methods with experimental data are made and the results are found to be in good agreement. The FEA prediction of stiffness is always higher than the theoretical result. The relationships between the spring stiffness and the winding angles and geometry of the filament-wound composite ring are considered and discussed.

Original language	English
Pages (from-to)	211-226
Number of pages	16
Journal	Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Volume	215
Issue number	2
DOIs	https://doi.org/10.1243/0954406011520634
Publication status	Published - 1 Dec 2001

Keywords

Composite rings
Finite element analysis (FEA)
Stiffnesses

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10.1243/0954406011520634

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abstract = "Closed-form solutions from complementary strain energy are derived for the spring stiffnesses of mid-surface symmetric, filament-wound, composite circular rings under unidirectional loading. A three-dimensional finite element analysis (FEA) including the effects of transverse shear has also been applied to study the problem. Four ±45° and four ±75° E-glass/epoxy composite rings of odd numbers of coves were tested. Comparisons of the results obtained from the two methods with experimental data are made and the results are found to be in good agreement. The FEA prediction of stiffness is always higher than the theoretical result. The relationships between the spring stiffness and the winding angles and geometry of the filament-wound composite ring are considered and discussed.",

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T1 - Spring constants of filament-wound composite circular rings

AU - Tse, P. C.

AU - Reid, S. R.

AU - Ng, S. P.

PY - 2001/12/1

Y1 - 2001/12/1

N2 - Closed-form solutions from complementary strain energy are derived for the spring stiffnesses of mid-surface symmetric, filament-wound, composite circular rings under unidirectional loading. A three-dimensional finite element analysis (FEA) including the effects of transverse shear has also been applied to study the problem. Four ±45° and four ±75° E-glass/epoxy composite rings of odd numbers of coves were tested. Comparisons of the results obtained from the two methods with experimental data are made and the results are found to be in good agreement. The FEA prediction of stiffness is always higher than the theoretical result. The relationships between the spring stiffness and the winding angles and geometry of the filament-wound composite ring are considered and discussed.

AB - Closed-form solutions from complementary strain energy are derived for the spring stiffnesses of mid-surface symmetric, filament-wound, composite circular rings under unidirectional loading. A three-dimensional finite element analysis (FEA) including the effects of transverse shear has also been applied to study the problem. Four ±45° and four ±75° E-glass/epoxy composite rings of odd numbers of coves were tested. Comparisons of the results obtained from the two methods with experimental data are made and the results are found to be in good agreement. The FEA prediction of stiffness is always higher than the theoretical result. The relationships between the spring stiffness and the winding angles and geometry of the filament-wound composite ring are considered and discussed.

KW - Composite rings

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KW - Stiffnesses

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Spring constants of filament-wound composite circular rings

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Keywords

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