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Analytical investigation on buckling and postbuckling of FGM toroidal shell segment surrounded by elastic foundation in thermal environment and under external pressure using TSDT

Acta mechanica, 2017-10, Vol.228 (10), p.3511-3531 [Peer Reviewed Journal]

Springer-Verlag Wien 2017 ;COPYRIGHT 2017 Springer ;Acta Mechanica is a copyright of Springer, 2017. ;ISSN: 0001-5970 ;EISSN: 1619-6937 ;DOI: 10.1007/s00707-017-1888-2

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Title:
Analytical investigation on buckling and postbuckling of FGM toroidal shell segment surrounded by elastic foundation in thermal environment and under external pressure using TSDT
Author: Dung, D. V. ; Vuong, Pham Minh
Subjects: Classical and Continuum Physics ; Control ; Cylindrical shells ; Deflection ; Deformation ; Dimensional stability ; Dynamical Systems ; Engineering ; Engineering Thermodynamics ; Environment ; External pressure ; Heat and Mass Transfer ; Materials elasticity ; Mathematical analysis ; Nonlinear analysis ; Nonlinearity ; Original Paper ; Postbuckling ; Pressure ; Segments ; Shear deformation ; Shear strength ; Shell stability ; Shell theory ; Solid Mechanics ; Stability analysis ; Studies ; Temperature distribution ; Temperature effects ; Theoretical and Applied Mechanics ; Theory ; Thermal energy ; Toroidal shells ; Vibration
Is Part Of: Acta mechanica, 2017-10, Vol.228 (10), p.3511-3531
Description: In this paper, FGM toroidal shell segments surrounded by elastic foundation and subjected to uniform external pressure are investigated by analytical method. A novelty of the study is that the Reddy’s third-order shear deformation shell theory (TSDT) with von Karman geometrical nonlinearity combined with deflection function selected with three terms is used to investigate the nonlinear stability of thicker FGM toroidal shell segments. In addition, the thermal element in the shell is also taken into account. The FGM shell is a convex and concave toroidal shell segment. It is a general form for a circular cylindrical shell. Closed-form expressions for determining the static critical external pressure load and postbuckling load–deflection curves are obtained. Effects of temperature field, foundations, material and dimensional parameters on the stability of shells are considered. This paper also shows that the use of TSDT to analyze the nonlinear stability of thicker toroidal shell segments is necessary and more suitable.
Publisher: Vienna: Springer Vienna
Language: English
Identifier: ISSN: 0001-5970
EISSN: 1619-6937
DOI: 10.1007/s00707-017-1888-2
Source: ProQuest Central

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Analytical investigation on buckling and postbuckling of FGM toroidal shell segment surrounded by elastic foundation in thermal environment and under external pressure using TSDT

Springer-Verlag Wien 2017 ;COPYRIGHT 2017 Springer ;Acta Mechanica is a copyright of Springer, 2017. ;ISSN: 0001-5970 ;EISSN: 1619-6937 ;DOI: 10.1007/s00707-017-1888-2

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