Experimental and Finite Element Characterization of the Crippling Failure of Composite Stiffeners

Abstract:

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Progressive failure analysis based on the complete unloading method was conducted to investigate the crippling failure of carbon/epoxy composite stiffeners under axial compression. A modified arc-length algorithm was incorporated into a nonlinear finite element method to trace the equilibrium path after local buckling. For the validation of the finite element method, several carbon/epoxy Z-section stiffeners were tested in compression. The finite element results on the buckling and crippling stresses showed good agreement with the experimental results.

Info:

Periodical:

Key Engineering Materials (Volumes 326-328)

Edited by:

Soon-Bok Lee and Yun-Jae Kim

Pages:

1773-1776

DOI:

10.4028/www.scientific.net/KEM.326-328.1773

Citation:

J. H. Kweon et al., "Experimental and Finite Element Characterization of the Crippling Failure of Composite Stiffeners", Key Engineering Materials, Vols. 326-328, pp. 1773-1776, 2006

Online since:

December 2006

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Price:

$35.00

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