Dynamic Analysis of Functionally Graded Spherical Panel in Thermal Environment by Finite Element Method

Received: 26-12-2019

Accepted: 14-02-2020

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How to Cite:

Huan, D. (2024). Dynamic Analysis of Functionally Graded Spherical Panel in Thermal Environment by Finite Element Method. Vietnam Journal of Agricultural Sciences, 17(12), 1001–1013. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/626

Dynamic Analysis of Functionally Graded Spherical Panel in Thermal Environment by Finite Element Method

Duong Thanh Huan (*) 1

  • 1 Khoa Cơ - Điện, Học viện Nông nghiệp Việt Nam
  • Keywords

    Functionally graded material (FGM), spherical shell panel, vibration analysis, finite element method (FEM)

    Abstract


    In this study, based on the first shear deformation theory (FSDT),a finite element model using a 3D-Degenerated shell element is developed for dynamic analysis of functionally graded spherical shell panel in the thermal environment. The modulus of elasticity is assumed to be temperature-dependent and graded in the thickness direction according to the simple power-law distribution,while the Poisson factor is assumed to be constant and the temperature is assumed to be nonlinear variation in the thickness direction. The numerical results are also compared with the results available in the literature to validate the present model. On the other hand, the effect of material parameters, geometric dimensions, boundary conditions; damping factor; ratio of forced frequency/natural frequency (ratio Ω/) on the dynamic behavior of FG spherical shell panel in the thermal environment are also investigated in detail and some useful conclusions are drawn.

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