Molecular dynamics simulations of microscopic structure of ultra strong shock waves in dense helium

doi:10.1007/s11467-016-0590-5

Frontiers of Physics

2016, Vol. 11

Issue (6): 115206 https://doi.org/10.1007/s11467-016-0590-5

本期目录

Molecular dynamics simulations of microscopic structure of ultra strong shock waves in dense helium

Hao Liu^1,²,Wei Kang^1,^2,^*(

),Qi Zhang³,Yin Zhang³,Huilin Duan^1,^3,^*(

),X. T. He^4,^5,^*(

)

¹. HEDPS, Center for Applied Physics and Technology, Peking University, Beijing 100871, China
². College of Engineering, Peking University, Beijing 100871, China
³. Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, China
⁴. Center for Applied Physics and Technology, HEDPS, and IFSA Collaborative Innovation Center of MoE, Peking University, Beijing 100871, China
⁵. Institute of Applied Physics and Computational Mathematics, Beijing 100088, China

全文: PDF(2452 KB)

Abstract：

Hydrodynamic properties and structure of strong shock waves in classical dense helium are simulated using non-equilibrium molecular dynamics methods. The shock speed in the simulation reaches 100 km/s and the Mach number is over 250, which are close to the parameters of shock waves in the implosion process of inertial confinement fusion. The simulations show that the high-Mach-number shock waves in dense media have notable differences from weak shock waves or those in dilute gases. These results will provide useful information on the implosion process, especially the structure of strong shock wave front, which remains an open question in hydrodynamic simulations.

Key words： shock structure high Mach number dense media

收稿日期: 2016-02-20 出版日期: 2016-06-12

Corresponding Author(s): Wei Kang,Huilin Duan,X. T. He

引用本文:

. [J]. Frontiers of Physics, 2016, 11(6): 115206.
Hao Liu,Wei Kang,Qi Zhang,Yin Zhang,Huilin Duan,X. T. He. Molecular dynamics simulations of microscopic structure of ultra strong shock waves in dense helium. Front. Phys. , 2016, 11(6): 115206.

链接本文:

https://academic.hep.com.cn/fop/CN/10.1007/s11467-016-0590-5
https://academic.hep.com.cn/fop/CN/Y2016/V11/I6/115206

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