Stability analysis of carbon nanotubes using a hybrid atomistic-structural element
by M. Sadeghi, R. Naghdabadi
International Journal of Nanomanufacturing (IJNM), Vol. 5, No. 3/4, 2010

Abstract: In this paper, a hybrid atomistic-structural element for studying the mechanical behaviour of carbon nanotubes is introduced. Non-linear formulation for this element is derived based on empirical inter-atomic potentials. This hybrid element is capable of taking into account the non-linear nature of inter-atomic forces as well as the non-linearity arising from large deformations. Using these capabilities, the stability analysis of carbon nanotubes under axial compressive loading is performed and the post-buckling behaviour is predicted. Also, the dependence of axial buckling force on nanotube radius is shown.

Online publication date: Fri, 02-Jul-2010

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