Thermal buckling analysis of FGM sandwich truncated conical shells reinforced by FGM stiffeners resting on elastic foundations using FSDT
作者： Nguyen Dinh Duc , Kim Seung-Eock , Do Quang Chan
DOI: 10.1080/01495739.2017.1398623
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摘要: ABSTRACTThis work presents an analytical approach to investigate the mechanical and thermal buckling of functionally graded materials sandwich truncated conical shells resting on Pasternak elastic foundations, subjected load axial compressive load. Shells are reinforced by closely spaced stringers rings, in which material properties stiffeners thickness direction following a general sigmoid law distribution power distribution. Four models coated shell-stiffener arrangements investigated. The change spacing between meridional also is taken into account. Two cases uniform temperature rise linear through shell considered. Using first-order shear deformation theory, Lekhnitskii smeared stiffener technique adjacent equilibrium criterion, linearization stability equations have been established. Approximate solution satisfies simply sup...
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