Nonlinear Stability Analysis for FGM Shallow Conical Shells Subjected to Thermal and Mechanical United Loads

Jia Chu Xu; Chao Deng; Hao Wang

doi:10.4028/www.scientific.net/AMR.476-478.2515

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Nonlinear Stability Analysis for FGM Shallow...

Nonlinear Stability Analysis for FGM Shallow Conical Shells Subjected to Thermal and Mechanical United Loads

Abstract:

Based on the Von Karman large deflection theory of shallow shell, the problem of nonlinear stability of symmetrically FGM shallow conical shells under the action of mechanical and thermal loads is investigated. The nonlinear governing equation under the united action of mechanical and thermal loads of FGM shallow conical shells whose physical parameters change with the power rate is derived and solved by the modified iteration method. The nonlinear characteristic relation of load, deflection and temperature is obtained. The extremum buckling principle is employed to determine the critical buckling load. The influences of gradient constants, geometric parameters and temperature differences on buckling are discussed as well.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

2515-2522

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.2515

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Online since:

February 2012

Authors:

Jia Chu Xu, Chao Deng, Hao Wang

Keywords:

Functional Gradient Materials, Modified Iteration Method, Nonlinear Stability, Shallow Conical Shells, Thermal and Mechanical United Loads

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