Abstract
AbstractThis paper presents, numerical study of stress field in functionally graded material (FGM) hollow cylinder by using finite element method (FEM). The FGM cylinder is subjected to internal pressure and uniform heat generation. Thermoelastic material properties of FGM cylinder are assumed to vary along radius of cylinder as an exponential function of radius. The governing differential equation is solved numerically by FEM for isotropic and anistropic hollow cylinder. Additionally, the effect of material gradient index (β) on normalized radial stresses, normalized circumferential stress and normalized axial stress are evaluated and shown graphically. The behaviour of stress versus normalized radius of cylinder is plotted for different values of Poisson’s ratio and temperature. The graphical results shown that stress field in FGM cylinder is influenced by some of above mentioned parameters.
Highlights
Graded materials have great application in elds of aerospace, automobiles, industry, defence, energy, electronics, electrical, biomedical and sports
This paper presents, numerical study of stress eld in functionally graded material (FGM) hollow cylinder by using nite element method (FEM)
This paper Investigates, stresses in FGM hollow cylinder subjected to internal pressure and uniform heat generation
Summary
Graded materials have great application in elds of aerospace, automobiles, industry, defence, energy, electronics, electrical, biomedical and sports. FGMs are used widely due to variation in composition and structural gradually over volume that results in variation in chemical, thermal, electrical and mechanical properties. These materials can be constructed for some special application and function. Sharma et al [5] made analysis of stress and strain with help of nite element in rotating circular disk under exponentially varing material properties. Sharma et al [6] studied effect of Kibel number on thermoelastic characteristics in FGM disk by using FEM. Sharma et al [16] investigated thermoelastic characteristics in FGM disk under linearly varing material properties by using FEM. Sharma and Kaur [17] made comparison of stress and strain for two FGM disks where rst disk constructed from Aluminum and Alumina and second
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