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Nonlinear buckling of higher deformable S-FGM thick circular cylindrical shells with metal-ceramic-metal layers surrounded on elastic foundations in thermal environment

Dinh Duc Nguyen and Toan Thang Pham and Trong Dao Nguyen and Van Tac Hoang (2015) Nonlinear buckling of higher deformable S-FGM thick circular cylindrical shells with metal-ceramic-metal layers surrounded on elastic foundations in thermal environment. Composite Structures, 121 . pp. 134-141. ISSN 0263-8223

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Official URL: doi:10.1016/j.compstruct.2014.11.009

Abstract

An analytical approach on the nonlinear response of thick functionally graded circular cylindrical shells with temperature independent material property surrounded on elastic foundations subjected to mechanical and thermal loads is presented. 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). The formulations are based on the third order shear deformation shell theory taking into account von Karman nonlinearity, initial geometrical imperfection and Pasternak type elastic foundation. By applying Galerkin method and using stress function, explicit relations of thermal load–deflection curves of the S-FGM shells are determined. Detailed parametric studies are carried out to investigate effects of volume fraction index, material properties and geometrical shapes, axial compressions and thermal load, foundation stiffness and imperfection on nonlinear buckling behaviors of S-FGM thick circular cylindrical shells. The present analysis is validated by comparing results with other publications.

Item Type:Article
Subjects:Engineering Mechanics
ISI-indexed journals
Divisions:Faculty of Engineering Mechanics and Automation (FEMA)
ID Code:1209
Deposited By: Ms. Cam Le Tran Thi
Deposited On:19 Nov 2015 08:43
Last Modified:19 Nov 2015 08:43

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