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Nonlinear Buckling of Imperfect Eccentrically Stiffened Metal-Ceramic-Metal S-FGM Thin Circular Cylindrical Shells with Temperature-Dependent Properties in Thermal Environments

Dinh Duc Nguyen and Toan Thang Pham (2014) Nonlinear Buckling of Imperfect Eccentrically Stiffened Metal-Ceramic-Metal S-FGM Thin Circular Cylindrical Shells with Temperature-Dependent Properties in Thermal Environments. International Journal of Mechanical Sciences, 81 . pp. 17-25. ISSN 0020-7403

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Official URL: doi:10.1016/j.ijmecsci.2014.01.016

Abstract

In this paper, an analytical approach is presented to investigate the nonlinear static buckling for imperfect eccentrically stiffened functionally graded thin circular cylindrical shells with temperature-dependent properties surrounded on elastic foundation in thermal environment. Both shells and stiffeners are deformed simultaneously due to temperature. Material properties are graded in the thickness direction according to a Sigmoid power law distribution in terms of the volume fractions of constituents (S-FGM) with metal–ceramic–metal layers. The Lekhnitsky smeared stiffeners technique with Pasternak type elastic foundation, stress function and the Bubnov–Galerkin method are applied. Numerical results are given for evaluating effects of temperature, material and geometrical properties, elastic foundations and eccentrically outside stiffeners on the buckling and post-buckling of the S-FGM shells. The obtained results are validated by comparing with those in the literature.

Item Type:Article
Subjects:Engineering Mechanics
ISI-indexed journals
Divisions:Faculty of Engineering Mechanics and Automation (FEMA)
ID Code:1216
Deposited By: Ms. Cam Le Tran Thi
Deposited On:24 Nov 2015 07:39
Last Modified:24 Nov 2015 07:42

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