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Modelling and Simulation in Engineering
Volume 2016, Article ID 5934814, 5 pages
http://dx.doi.org/10.1155/2016/5934814
Research Article

A Note on Torsion of Nonlocal Composite Nanobeams

Department of Civil Engineering, University of Salerno, Via Ponte don Melillo, 84084 Fisciano, Italy

Received 4 December 2015; Accepted 5 October 2016

Academic Editor: Theodoros C. Rousakis

Copyright © 2016 Luciano Feo and Rosa Penna. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The ERINGEN elastic constitutive relation is used in this paper in order to assess small-scale effects in nanobeams. Structural behavior is studied for functionally graded materials in the cross-sectional plane and torsional loading conditions. The governing boundary value problem has been formulated in a mixed framework. Torsional rotations and equilibrated moments are evaluated by solving a first-order differential equation of elastic equilibrium with boundary conditions of kinematic-type. Benchmarks examples are briefly discussed, enlightening thus effectiveness of the proposed methodology.