NON-LINEAR BENDING RESPONSE OF FUNCTIONALLY GRADED BEAMS UNDER TRANSVERSE LOADS
Publish place: 14th Annual Conference of Mechanical Engineering
Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISME14_526
تاریخ نمایه سازی: 1 فروردین 1386
Abstract:
In this study, an analytical method is developed to analyze analytically displacements and stresses in a functionally graded composite beam subjected to transverse load. Assuming the functionally graded beam has nonhomogeneous mechanical properties in the thickness direction, the displacements and stresses of a beam are obtained based on a first-order shear deformation beam theory (FSDBT). The non-linear strain-displacement relations in the von Kármán sense are used to study the effect of geometric non-linearity. Equilibrium equations are obtained by using principle of minimum total potential energy and solved exactly. The results obtained from this method are compared with the finite element solution done by ANSYS. Numerical results of the linear and non-linear first-order theory are presented to show the effects of using FGMs instead of classical layered composites on the deflections and stresses.
Keywords:
Functionally graded beam - Geometric non-linearity – Transverse load
Authors
Tahani
Department of Mechanical Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
Torabizadeh
Department of Mechanical Engineering, University of Semnan, Semnan, Iran
Fereidoon
Department of Mechanical Engineering, University of Semnan, Semnan, Iran
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