飞片加载产生正弦冲击波及其波阵面演化模拟

马小娟 刘福生 李一磊 于明 李永宏 彭小娟 经福谦

马小娟, 刘福生, 李一磊, 于明, 李永宏, 彭小娟, 经福谦. 飞片加载产生正弦冲击波及其波阵面演化模拟[J]. 高压物理学报, 2011, 25(1): 23-28 . doi: 10.11858/gywlxb.2011.01.004
引用本文: 马小娟, 刘福生, 李一磊, 于明, 李永宏, 彭小娟, 经福谦. 飞片加载产生正弦冲击波及其波阵面演化模拟[J]. 高压物理学报, 2011, 25(1): 23-28 . doi: 10.11858/gywlxb.2011.01.004
MA Xiao-Juan, LIU Fu-Sheng, LI Yi-Lei, YU Ming, LI Yong-Hong, PENG Xiao-Juan, JING Fu-Qian. Numerical Study on the Viscosity of Shocked Al vis Small-Perturbation Amplitude Damping Profile Measurement by Flyer Impact[J]. Chinese Journal of High Pressure Physics, 2011, 25(1): 23-28 . doi: 10.11858/gywlxb.2011.01.004
Citation: MA Xiao-Juan, LIU Fu-Sheng, LI Yi-Lei, YU Ming, LI Yong-Hong, PENG Xiao-Juan, JING Fu-Qian. Numerical Study on the Viscosity of Shocked Al vis Small-Perturbation Amplitude Damping Profile Measurement by Flyer Impact[J]. Chinese Journal of High Pressure Physics, 2011, 25(1): 23-28 . doi: 10.11858/gywlxb.2011.01.004

飞片加载产生正弦冲击波及其波阵面演化模拟

doi: 10.11858/gywlxb.2011.01.004
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    通讯作者:

    刘福生

Numerical Study on the Viscosity of Shocked Al vis Small-Perturbation Amplitude Damping Profile Measurement by Flyer Impact

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    Corresponding author: LIU Fu-Sheng
  • 摘要: 飞片加载冲击波小扰动实验方法是目前测量高温高压下物质粘性的实用方法之一,针对飞片碰撞小扰动实验,采用二维Navier-Stokes方程的差分方法,研究了金属铝中复杂压力流场的演化过程,给出了这类特定冲击波流场中正弦形扰动振幅振荡衰减特性与粘性系数之间的定量关系。结果表明:数值解比以往用于分析冲击波小扰动实验的解析解结果更接近实际的实验条件,得到的粘性系数值更具合理性,具有重要的应用价值。结合实验数据,数值计算分析的结果表明,金属铝在78 GPa冲击压力和3106 s-1应变率条件下的等效剪切粘性系数值为(2.80.1)kPas。

     

  • Secco R A. Viscosity of the Outer Core [M]. San Francisco: American Geophysical Union, 1995: 218-226.
    Mineev V N, Funtikov A I. Viscosity Measurement on Metals under Shock-Loading Calculations for the Earth's Core [J]. Physics-Uspekhi, 2004, 47(7): 671-686.
    Miller G H, Ahrens T J. Shock-Wave Viscosity Measurement [J]. Rev Mod Phys, 1991, 63(4): 919-948.
    Sakharov A D, Zaidel R M, Mineev V N, et al. Experimental Study of the Shock Wave Stability and Mechanical Properties of Materials at High Pressures [J]. Dokl Akad Nauk SSSR, 1964, 159: 1019-1022.
    Liu F S, Yang M X, Li Q W, et al. Shear Viscosity of Aluminum under Shock Compression [J]. Chin Phys Lett, 2005, 22(3): 747-749.
    Li Y L, Liu F S, Ma X J, et al. A Flyer-Impact Technique for Measuring Viscosity of Metal under Shock Compression [J]. Rev Sci Insturm, 2009, 80(1): 013903.
    Marsh S P. LASL Shock Hugoniot Data [M]. Berkley: University of California Press, 1980.
    Mader C H. Numerical Modeling of Explosives and Propellants [M]. Florida: CRC Press, 1998: 327-363
    Vonneumann J, Richtmyer R D. A Method for the Numerical Calculation of Hydrodynamic Shocks [J]. J Appl Phys, 1950, 21: 232-237.
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出版历程
  • 收稿日期:  2010-01-21
  • 修回日期:  2010-06-05
  • 发布日期:  2011-02-15

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