Chin. Phys. Lett.  2011, Vol. 28 Issue (4): 044704    DOI: 10.1088/0256-307X/28/4/044704
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
Effective Shear Viscosity of Iron under Shock-Loading Condition
MA Xiao-Juan**, LIU Fu-Sheng, SUN Yan-Yun, ZHANG Ming-Jian, PENG Xiao-Juan, LI Yong-Hong
College of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031
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MA Xiao-Juan, LIU Fu-Sheng, SUN Yan-Yun et al  2011 Chin. Phys. Lett. 28 044704
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Abstract We combine the flyer-impact experiment and improve the finite difference method to solve whether the shear viscosity coefficient of shock iron is more reliable. We find that the numerical simulated profile agrees well with the measured one, from which the determined effective shear viscosity coefficients of shocked iron are 3000±100 Pas and 4000±100 Pas, respectively, at 103 GPa and 159 GPa. These values are more than 2000±300 Pas of Li Y L et al.[Chin. Phys. Lett. 26 (2009) 038301] Our values are more reasonable because they are obtained from a comprehensive simulation for the full-shocked perturbation evolving process.
Keywords: 47.40.-x      66.20.Cy      62.50.+p     
Received: 06 December 2010      Published: 29 March 2011
PACS:  47.40.-x (Compressible flows; shock waves)  
  66.20.Cy (Theory and modeling of viscosity and rheological properties, including computer simulation)  
  62.50.+p  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/28/4/044704       OR      https://cpl.iphy.ac.cn/Y2011/V28/I4/044704
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MA Xiao-Juan
LIU Fu-Sheng
SUN Yan-Yun
ZHANG Ming-Jian
PENG Xiao-Juan
LI Yong-Hong
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