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Science and Technology of Energetic Materials

Vol.63, No.2 (2002)

Research paper

Molecular dynamics simulation of shock waves propagating in solid and high density fluid Ar(*in Japanese)
Yu-ichi Yoshimoto and Mitsuo Koshi
p.73-82

Abstract

Molecular dynamics(MD)simulations for shock waves propagating in solid and high-density fluid Ar have been performed with exp-6 potential for the intra molecular interaction. Characteristics of shock waves in the low temperature solid Ar are in good agreement with the experimental values. Thickness of the shock waves in solid Ar is extremely thin : only several times of particle diameter. Velocity distribution in the shock waves propagating in high-density fluid deviates from Boltzmann distribution and it is rather close to bimodal distribution. It is concluded that the MD simulation with relatively small number is powerful tool for the analysis of the shock waves in condensed matter.

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