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Type: Journal article
Title: Effect of harmonic in-plane edge loading on dynamic stability of stiffened shell panels with cutouts
Author: Patel, S.
Datta, P.
Sheikh, A.
Citation: International Journal of Applied Mechanics, 2010; 2(4):759-785
Publisher: Imperial College Press
Issue Date: 2010
ISSN: 1758-8251
Statement of
S. N. Patel, P. K. Datta, A. H. Sheikh
Abstract: The effect of non-uniform in-plane pulsating edge loading on dynamic instability behavior of perforated stiffened shell panels is presented in this paper using finite element method. The eight-noded isoparametric degenerated shell element and a compatible three-noded curved beam element are used to model the shell panels and the stiffeners, respectively. Bolotin method is applied to analyze the dynamic instability regions. Numerical results of convergence studies are presented and comparison is made with the published results from the literature. The effects of various parameters like shell geometry, loading type, cutout size and dynamic load factors are considered in dynamic instability analysis of stiffened shell panels with cutout. The buckling results of the cutout stiffened panels are also presented.
Keywords: Finite element method; perforated stiffened shell panels; degenerated curved beam element; degenerated shell element; cutouts; partial/concentrated in-plane exciting load and dynamic instability
Rights: Copyright © 2011 World Scientific Publishing Co. All rights reserved.
RMID: 0020105000
DOI: 10.1142/S1758825110000743
Appears in Collections:Civil and Environmental Engineering publications

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