Torsion of functionally graded hollow tubes of arbitrary shape
Publish place: 16th Annual Conference on Mechanical Engineering
Publish Year: 1387
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISME16_928
تاریخ نمایه سازی: 20 آبان 1386
Abstract:
An analytical formulation is presented for torsional analysis of functionally graded hollow tubes of arbitrary shape. Cross section of the member consists of circular arcs and straight segments. Thicknesses of all segments of the cross section are the same. Shear modulus of rigidity changes continuously across the thickness between two phases according to a power law distribution. Governing equations and boundary
conditions in terms of Prandtl's stress function are used to derive the formulas. Several examples are presented to show the accuracy and efficiency of the formulation. The obtained results are verified by accurate finite element solutions. Effects of changing thickness and volume fraction of constituent materials are also investigated. Derived formulas can be useful for analysis of thin to moderately thick walled functionally
graded hollow tubes.
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