Research Papers

Statistical Knockdown Factors of Buckling Anisotropic Cylinders Under Axial Compression

[+] Author and Article Information
Atsushi Takano

Space Systems Department, Kamakura Works,  Mitsubishi Electric Corporation, Kamakura, Kanagawa 247-8520, JapanTakano.Atsushi@dr.MitsubishiElectric.co.jp

J. Appl. Mech 79(5), 051004 (Jun 21, 2012) (17 pages) doi:10.1115/1.4006450 History: Received June 22, 2011; Accepted March 20, 2012; Posted March 26, 2012; Published June 21, 2012; Online June 21, 2012

Statistical knockdown factors for the axial buckling of anisotropic cylinders were derived for practical design purposes. The solution with the least amount of simplification in the linear bifurcation theory was chosen from the previously published solutions, and it was compared with more than 100 experimental results from the open literature. A-basis values (99% probability with 95% confidence level) and B-basis values (90% probability with 95% confidence level) of knockdown factors were obtained by using inferential statistics, i.e., inference concerning unknown aspects of a population by using a small sample.

Copyright © 2012 by American Society of Mechanical Engineers
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Grahic Jump Location
Figure 1

Shell geometry and notation

Grahic Jump Location
Figure 2

Comparison with experimental data

Grahic Jump Location
Figure 3

Procedures for computing A- and B-basis values



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