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Numerical Analysis of Nonlinear Thermoelastic Stress for Rectangular Thin Plate  

Kim Chi-Kyung (Department of Safety Engineering, University of Incheon)
Kim Sung-Jung (Department of Safety Engineering, University of Incheon)
Publication Information
Journal of the Korean Society of Safety / v.19, no.4, 2004 , pp. 155-160 More about this Journal
Abstract
A simply supported rectangular thin plate with temperature distribution varying over the thickness is analyzed. Since the thermal deflections are large compared to the plate thickness during bending and membrane stresses are developed md as such a nonlinear stress analysis is necessary. For the geometrically nonlinear, large deflection behavior of the plate, the classical von Karman equations are used. These equations are solved numerically by using the finite difference method. An iterative technique is employed to solve these quasi-linear algebraic equations. The results obtained from the suggested method are presented and discussed.
Keywords
thermoelastic stress; finite difference method; nonlinear equation; iteration;
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