Structural Similitude for Buckling of Delaminated Beams

Abstract:

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A significant amount of research has been conducted on the buckling behavior of delaminated composite laminates. However, none of the investigations has been focused on establishing similarity and scaling laws for buckling response of composite laminated with delamination. The main objective of this study is to demonstrate the applicability of similitude theory in designing scaled down models for predicting the buckling behavior of delaminated laminated beam subjected to uni-axial compression. The results presented herein indicate that, for buckling response of delaminated beam-plates, based on structural similitude, a set of scaling laws can be found which use to develop design rules for small scale models. For models with the same material properties and stacking sequence as prototype, distorted models with different number of delaminations, delamination length and depth than those of the prototype can predict the behavior of the prototypes with good accuracy.

Info:

Periodical:

Key Engineering Materials (Volumes 385-387)

Edited by:

H.S. Lee, I.S. Yoon and M.H. Aliabadi

Pages:

609-612

DOI:

10.4028/www.scientific.net/KEM.385-387.609

Citation:

J. Rezaeepazhand "Structural Similitude for Buckling of Delaminated Beams", Key Engineering Materials, Vols. 385-387, pp. 609-612, 2008

Online since:

July 2008

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Price:

$35.00

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