Interactively Induced Localized Buckling in Sandwich Structures With Core Orthotropy

Author:

Wadee M. Ahmer1,Hunt G. W.1

Affiliation:

1. Department of Mechanical Engineering, Faculty of Engineering & Design, University of Bath, Claverton Down, Bath BA2 7AY, England

Abstract

Recent work on the interactive buckling behavior of compressed sandwich structures (Hunt and Wadee, 1998) is extended to orthotropic core materials. The variation of the material properties can tend to maximize the interactive effect such that overall and secondary localized modes are triggered almost simultaneously, giving rise to highly unstable post-buckling behavior in systems of practical dimensions.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference12 articles.

1. Alien, H. G., 1969, Analysis and Design of Structural Sandwich Panels, Pergamon, Oxford, UK.

2. Budiansky, B., and Hutchinson, J. W., 1979, “Buckling: Progress and Challenge,” J. F. Besseling and A. M. J. van der Heijden, eds., Trends in Solid Mechanics 1979: Proceedings of the symposium dedicated to the 65th birthday of W. T. Koiter, Delft University Press, Delft, The Netherlands.

3. Da Silva L. S. , and HuntG. W., 1990, “Interactive Buckling in Sandwich Structures With Core Orthotropy,” Mech. Struct. & Mach., Vol. 18, No. 3, pp. 353–372.

4. Doedel, E. J., Wang, X. J., and Fairgrieve, T. F., 1995, “AUTO94: Software for Continuation and Bifurcation Problems in Ordinary Differential Equations,” Tech. Rept. CRPC-95-2. California Institute of Technology, Pasadena, CA.

5. Gibson L. J. , and AshbyM. F., 1982, “The Mechanics of Three-Dimensional Cellular Materials,” Proc. R. Soc. Lond., Vol. A382, pp. 43–59.

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