Interactive Bending Behavior of Sandwich Beams

[+] Author and Article Information
G. W. Hunt

Reader in Structural Mechanics, Civil Engineering Department, Imperial College, London, U.K.

L. S. da Silva

Civil Engineering Department, University of Coimbra, Coimbra, Portugal

J. Appl. Mech 57(1), 189-196 (Mar 01, 1990) (8 pages) doi:10.1115/1.2888301 History: Received January 03, 1989; Revised April 26, 1989; Online March 31, 2008


A multi-degree-of-freedom nonlinear Rayleigh-Ritz formulation for a sandwich beam is developed and is used to demonstrate the possible sudden destabilizing effects associated with wrinkling on the compressive face. Through-core stretching and core shearing effects are included. Nonlinear load-deflection curves, for various loading conditions including point loads and uniformly distributed loads, are presented.

Copyright © 1990 by The American Society of Mechanical Engineers
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