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http://dx.doi.org/10.3795/KSME-A.2012.36.1.051

Buckling Analysis of Composite Cylindrical Shell Using Numerical Analysis Method  

Jung, Hae-Young (Dept. of Mechanical & Precision Engineering, Graduate School, Pusan Nat'l Univ.)
Cho, Jong-Rae (School of Mechanical and Energy System Engineering, Korea Maritime Univ.)
Bae, Won-Byung (Dept. of Mechanical & Precision Engineering, Graduate School, Pusan Nat'l Univ)
Lee, Woo-Hyung (Underwater Vehicle Research Center)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.36, no.1, 2012 , pp. 51-58 More about this Journal
Abstract
The objective of this paper is to predict the buckling pressure of a composite cylindrical shell using buckling formulas (ASME 2007, NASA SP 8007) and finite element analysis. The model in this study uses a stacking angle of [0/90]12t and USN 125 composite material. All specimens were made using a prepreg method. First, finite element analysis was conducted, and the results were verified through comparison with the hydrostatic pressure buckling experiment results. Second, the values obtained from the buckling formula and the buckling pressure values obtained from the finite element analysis were compared as the stacking angle was changed in $5^{\circ}$ increments from $20^{\circ}$ to $90^{\circ}$. The linear and nonlinear results of the finite element analysis were consistent with the results of the experiment, with a safety factor of 0.85-1. Based on the above result, the ASME 2007 formula, a simplified version of the NASA SP-8007 formula, is regarded as a buckling formula that provides a reliable safety factor.
Keywords
ASME Shell Buckling Rule; Buckling; Composite Shell; NASA Shell Buckling Rule;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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