Effect of small size-scale on the radial buckling pressure of a simply supported multi-walled carbon nanotube

作者：G.Q. Xie, Xu Han, G R Liu, S.Y. Long · 发表于：Smart Materials and Structures · 年份：2006 · DOI：10.1088/0964-1726/15/4/028 · 被引用次数：35 · 研究领域：Nonlocal and gradient elasticity in micro/nano structures、Carbon Nanotubes in Composites、Elasticity and Wave Propagation

A buckling multiple-shell model of carbon nanotubes subjected to a uniform external radial pressure is suggested based on the theory of nonlocal elasticity. The average (nonlocal) stress incorporating the small size-scale is introduced into the governing equations of the multi-walled carbon nanotubes. A factor for the effect of the small size-scale is obtained, and the relationship of the effect of the small size-scale for a simply supported double-walled carbon nanotube to its size and buckling mode has been investigated. Numerical examples demonstrate the effect of small size-scale.