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http://dx.doi.org/10.5139/JKSAS.2003.31.1.034

Thermoelastic deformation and stress analysis of a FGM rectangular Plate  

Kim,Gwi-Seop (인하공업전문대학 항공기계과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.31, no.1, 2003 , pp. 34-41 More about this Journal
Abstract
A Green's function approach is adopted for analyzing the thermoelastic deformation and stress analysis of a plate made of functionally graded materials (FGMs). The solution to the 3-dimensional steady temperature is obtained by using the laminate theory. The fundamental equations for thermoelastic problems are derived in terms of out-plane deformation and in-plane force, separately. The thermoelastic deformation and the stress distributions due to the bending and in-plane forces are analyzed by using a Green’Às function based on the Galerkin method. The eigenfunctions of the Galerkin Green's function for the thermoelastic deformation and the stress distributions are approximated in terms of a series of admissible functions that satisfy the homogeneous boundary conditions of the rectangular plate. Numerical examples are carried out and effects of material properties on thermoelastic behaviors are discussed.
Keywords
Green's function; FGM rectangular plate; thermoelastic deformation; thermal stress distributions;
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