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Type: Conference paper
Title: An efficient finite element modeling of composite stiffened shells
Author: Sheikh, A.
Huang, L.
Citation: 1st Australasian Conference on Computational Mechanics (ACCM2013) / G. P. Steven, Q. Li and Z. (Leo) Zhang (eds.), pp. 673-678
Publisher: Trans Tech Publications Inc
Publisher Place: Online
Issue Date: 2014
ISBN: 9783038350682
ISSN: 1662-7482
Conference Name: Australasian Conference on Computational Mechanics (1st : 2013 : Sydney, N.S.W.)
Statement of
Sheikh Hamid and Huang Liang
Abstract: This paper presents an efficient finite element modeling technique for stiffened composite shells having different stiffening arrangements. The laminated shell skin is modeled with a triangular degenerated curved shell element having 3 comer nodes and 3 mid-side nodes. An efficient curved beam element compatible with the shell element is developed for the modeling of stiffeners which may have different lamination schemes. The formulation of the 3 nod degenerated beam element may be considered as one of the major contributions. The deformation of the beam element is completely defined in terms of the degrees of freedom of shell elements and it does not require any additional degrees of freedom. As the usual formulation of degenerated beam elements overestimates their torsional rigidity, a torsion conection factor is introduced for different lamination schemes. Numerical examples are solved by the proposed finite element technique to assess its performance.
Keywords: Shell; stiffener; composite laminate; finite element; structural response.
Description: Also cited as: Applied Mechanics and Materials, 2014; 553:673-678
Rights: © 2014 Trans Tech Publications
RMID: 0020135990
DOI: 10.4028/
Appears in Collections:Civil and Environmental Engineering publications

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