scholarly journals Finite element analysis of bending-stiff composite conical shells with multiple delamination

2012 ◽  
Vol 7 (2) ◽  
pp. 213-224 ◽  
Author(s):  
Sudip Dey ◽  
Amit Karmakar
Author(s):  
R. Adibi-Asl ◽  
R. Seshadri

In theory of shell, decay length is defined as the distance affected by localized external (applied loads) or internal (edge effect, discontinuity) forces and moments, beyond which the effect of these loads becomes negligible. The concept of decay length becomes relevant when assessing the interaction effects caused by adjacent discontinuities. In this paper, the decay lengths for several shells geometries, specifically cylindrical, spherical and conical shells, are reviewed. The available expressions for decay lengths in the literature are listed and are compared with finite element analysis to demonstrate the accuracy of some of the solutions.


2002 ◽  
Vol 11 (1) ◽  
pp. 30-40 ◽  
Author(s):  
Chatchai Kunavisarut ◽  
Lisa A. Lang ◽  
Brian R. Stoner ◽  
David A. Felton

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