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VOLUME 65 (1997) | ISSUE 9 | PAGE 722
Shock wave structure in simple liquids
Shock wave structure in a liquid is studied using molecular dynamics simulation method. The interaction between atoms is described by the Lennar-Jones (6-12) potential. In contrast to earlier works, the simulation is performed in the frame connected with shock wave front. This approach reduces non-physical fluctuations and makes it possible to calculate the distribution functions of kinetic and potential energy for several cross sections within the shock layer. The profiles of flow variables and their fluctuations are found. The surface tension connected with pressure anisotropy within the shock front is calculated. It is shown that the main contribution to the surface tension coefficient comes from the mean virial. PACS: 02.70.Ns, 62.50.+p