Parametric Study on the Dynamic Instability Behavior of Laminated Composite Stiffened Plate
Publication: Journal of Engineering Mechanics
Volume 135, Issue 11
Abstract
This paper deals with the study of dynamic or parametric instability behavior of laminated composite stiffened plates with step-uniform and concentrated in-plane harmonic edge loading. The eight-noded isoparametric degenerated shell element and a compatible three-noded curved beam element are used to model the plate and the stiffeners, respectively. The method of Hill’s infinite determinant is applied to analyze the dynamic instability regions. Numerical results are presented through convergence and comparison with the published results from the literature. The effects of parameters like loading type, stiffening scheme, lamination scheme, dynamic load factor, and boundary conditions are considered in the dynamic instability analysis of laminated composite stiffened plate. It has been shown that the type of loading and the width of loading have remarkable effect on the dynamic instability characteristics of the stiffened plate.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 135 • Issue 11 • November 2009
Pages: 1331 - 1341
Copyright
© 2009 ASCE.
History
Received: Aug 16, 2007
Accepted: Jun 23, 2009
Published online: Oct 15, 2009
Published in print: Nov 2009
Notes
Note. Associate Editor: Dinar Camotim
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