Abstract
Carbon nanotubes (CNTs) are grown as forests on a variety of substrates and can be horizontally aligned and compacted to produce super-strong ropes and yarns. CNT bundles can be used for shock and vibration protection. It is of interest to analyze the energy absorption by CNT bundles during dynamical loading. In this work, we develop an effective interatomic potential for simulating the propagation of shock waves in the transverse direction of a CNT bundle within the framework of a one-dimensional model. The potential parameters are fitted to the results of molecular dynamics simulation of a CNT bundle under lateral compression. The developed one-dimensional model is capable of reproducing propagation of compressive waves associated with both elliptization and collapse of CNTs.
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