Some New Approximate Solutions in Closed-Form to Problems of Nanobars

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European Mechanical Science
Volume:5 Issue:4
Some New Approximate Solutions in Closed-Form to Problems of Nanobars

Some New Approximate Solutions in Closed-Form to Problems of Nanobars

Pages : 161-167

View : 16 | Download : 13

Publication Date : 2021-12-20

Article Type : Research Paper

Abstract :Following recent technological advancements, a great attention has been paid to mechanical behaviour of structural elements of nanosize. In this study, some solutions to mechanical problems of bars of nanosize is examined using Eringen’s two-phase nonlocal elasticity. Assuming the fraction coefficient of nonlocal part of the material is small, a perturbation expansion with respect to it is performed. With this procedure, the original nonlocal problem is broken into a set of local elasticity problems. Solutions to some example problems of nanobars are provided in closed-form for the first time, and commented on. The new solutions provided herein may well serve for benchmark studies, as well as identification of material parameters of nano-sized structural elements, such as carbon nanotubes.
Keywords : nanobars, nonlocal elasticity, nanomechanics, closed form solutions, approximate methods

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