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An Alternative Two-Variable Model for Bending Problems of Multilayered Beams

[+] Author and Article Information
Neng-Hui Zhang1

Department of Mechanics, College of Sciences, Shanghai University, Shanghai 200444, P.R.C.; Shanghai Institute of Applied Mathematics and Mechanics, Shanghai 200072, P.R.C.nhzhang@shu.edu.cn

Jian-Zhong Chen

Department of Mechanics, College of Sciences, Shanghai University, Shanghai 200444, P.R.C.; Shanghai Institute of Applied Mathematics and Mechanics, Shanghai 200072, P.R.C.

1

Corresponding author.

J. Appl. Mech 75(4), 044503 (May 16, 2008) (3 pages) doi:10.1115/1.2912994 History: Received July 28, 2007; Revised December 26, 2007; Published May 16, 2008

A closed-form analytical solution to thermoelastic bending problems of multilayered beams is obtained by an alternative two-variable method. There are only two unknowns to be solved and two equilibrium conditions to be satisfied in the present analysis. Differences among zero-strain axis, zero-stress axis, bending axis and centroidal axis are compared.

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Copyright © 2008 by American Society of Mechanical Engineers
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Figures

Grahic Jump Location
Figure 3

Comparison among different axes of a bilayered beam subjected to residual stresses only

Grahic Jump Location
Figure 2

Comparison among different axes of a bilayered beam subjected to external moments only

Grahic Jump Location
Figure 1

Longitudinal section of a multilayered beam and the coordinate system

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