Nonlinear Deformation of Composite Beams: Unification of Cross-Sectional and Elastic Analyses

[+] Author and Article Information
Ali R. Atilgan, Dewey H. Hodges, Mark V. Fulton

School of Aerospace Engineering, Georgia Institute of Technology, Atlanta GA 30332-0150

Appl. Mech. Rev 44(11S), S9-S15 (Nov 01, 1991) doi:10.1115/1.3121379 History: Online April 30, 2009


A unified analysis is presented for predicting the deformation of anisotropic beams. Outlines of the derivations of both a linear, two-dimensional, cross-sectional analysis and a nonlinear, one-dimensional analysis are given from application of a general kinematical foundation, in which only small strain and small local rotation are assumed. The deformation may be arbitrary except that restrained warping effects are not treated. Predictions from the unified analysis agree quite well with published experimental results for both nonlinear static and linearized dynamic behavior about equilibrium.

Copyright © 1991 by American Society of Mechanical Engineers
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