0
Research Papers

Nonlinear Buckling of Compressed FRP Cylindrical Shells and Their Imperfection Sensitivity

[+] Author and Article Information
Seishi Yamada, Nobuhisa Yamamoto

Department of Civil Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan

James G. Croll

Department of Civil Engineering, University College London, Gower Street, London WC1E 6BT, UK

J. Appl. Mech 75(4), 041005 (May 13, 2008) (10 pages) doi:10.1115/1.2839894 History: Received August 07, 2006; Revised August 27, 2007; Published May 13, 2008

An elastic, nonlinear, Ritz analysis has been developed to allow investigation of the imperfect behavior of axially compressed orthotropic fiber reinforced polymer cylindrical shells. In a particular mode, buckling loads are shown to be strongly influenced by the constitutive material coefficients and are sensitive to initial geometric imperfections. Just as for the previously analyzed isotropic cylindrical shells, the reduced stiffness criteria are shown to provide close lower bounds to the imperfection sensitive elastic buckling loads. The potential benefits in the use of the reduced stiffness theoretical results to allow specification of the optimal designs are illustrated.

FIGURES IN THIS ARTICLE
<>
Copyright © 2008 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Figure 1

Notation used for cylindrical shell

Grahic Jump Location
Figure 2

Lamination details

Grahic Jump Location
Figure 3

Selected results for shell C50T (b=9) showing (a) load against deflection responses and (b) imperfection sensitivity

Grahic Jump Location
Figure 4

Incremental displacement modes at the buckling points for small imperfection w0∕t=0.10 in shell C50T (b=9) showing (a) shape, (b) axial profile at y=0, and (c) circumferential profile at x=L∕2

Grahic Jump Location
Figure 5

Incremental displacement modes at the buckling points for a large imperfection w0∕t=1.60 in shell C50T (b=9) showing (a) shape, (b) axial profile at y=0, and (c) circumferential profile at x=L∕2

Grahic Jump Location
Figure 6

Plots of nonlinear buckling loads for various imperfection amplitudes and circumferential wave number b with single axial number compared with the linear buckling loads or the reduced stiffness buckling loads

Grahic Jump Location
Figure 7

Energy components

Grahic Jump Location
Figure 8

Incremental displacement modes at the buckling points for a large imperfection w0∕t=1.40 in shell C50T (b=11) showing (a) shape, (b) axial profile at y=0, and (c) circumferential profile at x=L∕2

Grahic Jump Location
Figure 9

Comparison of initial imperfection sensitivity

Grahic Jump Location
Figure 10

Effects of the ratio Vy∕V on the buckling loads

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In