Buckling analysis of truncated conical sandwich shells with Nano-FG face sheets using improved high-order theory

Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ELEMECHCONF02_286

تاریخ نمایه سازی: 22 مهر 1394

Abstract:

In this study, an improved high-order theory is presented for temperature-dependent buckling analysis of sandwich conical shell with thin Nano-FG face sheets and homogenous soft core. First shear deformation theory (FSDT) used for the face sheets and cubic functions are assumed for the transverse and in-plane displacements of the core. The nonlinear Von-Karman type relations are used to obtain the strain components. The equilibrium equations are derived via principle of minimum potential energy. Analytical solution for static analysis of simply supported sandwich conical shells under axial in-plane compressive loads and in the temperature environments is performed by using Galerkin’s solution. The comparisons show that the present results are in the good and better agreement with the results in the literature.

Keywords:

Truncated conical sandwich shell , buckling analysis , Nano- FGM

Authors

jamal Seidi

Department of Technical and Engineering, Ilam Branch, Islamic Azad University, Ilam, Iran

S.M.R Khalili

Center of Excellence for Research in Advanced Materials and Structures, Faculty of Mechanical Engineering , K.N. Toosi University of Technology, Tehran, Iran

csondos Bahadori

Islamic Azad University of Ilam branch, Ilam, Iran

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