Structural Similitude for Buckling of Delaminated Beams


Article Preview

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.



Key Engineering Materials (Volumes 385-387)

Edited by:

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






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

Online since:

July 2008




[1] T. Nyman, A. Bredberg, and J. Schon: J. Reinforced Plastics and Comp. Vol. 19(6) 428-448(2000).

[2] GJ. Simitses, in: Buckling and Post Buckling of Composite Plates, edited by I.H. Marshal and G.J. Turvey, Chapman & Hall, London, (1994).

[3] GJ. Simitses, J. Rezaeepazhand, and RL. Sierakowski: Mechanics of Composite Materials and structures Vol. 4, 267 - 280(1997).

[4] J. Rezaeepazhand, GJ. Simitses, and JH. Starnes Jr: Composite Structures Vol. 34(4), 361 - 369(1996).

[5] J. Rezaeepazhand, GJ. Simitses, JH. Starnes Jr: AIAA Journal Vol. 33(3), 515-519(1995).

[6] KS. Numayer, and RH. Hadda: Mechanics of Composite Materials and Structures Vol. 8 283- 297(2001).

[7] J. Lee, Z. Gurdal, and H. Griffin Jr: AIAA Journal Vol. 31(2), 331-337(1993).

In order to see related information, you need to Login.