Confined nanorods: jamming due to helical buckling

Details Confined nanorods: jamming due to helical buckling Confined nanorods: jamming due to helical buckling

2007-12-03

arxiv.org/abs/0712.0255v1

Physics

Condensed Matter

Soft Condensed Matter

8 pages, 8 figures

Scientific paper

10.1103/PhysRevE.77.031808

We investigate a longitudinally loaded elastic nanorod inside a cylindrical channel and show within the context of classical elasticity theory that the Euler buckling instability leads to a helical postbuckling form of the rod within the channel. The local pitch of the confined helix changes along the channel and so does the longitudinal force transmitted along the rod, diminishing away from the loaded end. This creates a possibility of jamming of the nanorod within the channel.

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