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Chinese Journal of High Pressure Physics  > 2008  >  22(4): 377-383 .
XU Jin-Zhong, TANG Wen- Hui, XU Zhi-Hong. Numerical Analysis of the Characteristics of Debris Clouds Produced by Hypervelocity Impacts Using SPH Method[J]. Chinese Journal of High Pressure Physics, 2008, 22(4): 377-383 . doi: 10.11858/gywlxb.2008.04.007
Citation: XU Jin-Zhong, TANG Wen- Hui, XU Zhi-Hong. Numerical Analysis of the Characteristics of Debris Clouds Produced by Hypervelocity Impacts Using SPH Method[J]. Chinese Journal of High Pressure Physics, 2008, 22(4): 377-383 . doi: 10.11858/gywlxb.2008.04.007
shu

Numerical Analysis of the Characteristics of Debris Clouds Produced by Hypervelocity Impacts Using SPH Method

doi: 10.11858/gywlxb.2008.04.007

  • Institute of Technical Physics, College of Science, National University of Defense Technology, Changsha 410073, China

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  • Corresponding author: XU Jin-Zhong
  • Received Date: 21 Dec 2007
  • Rev Recd Date: 14 Mar 2008
  • Publish Date: 05 Dec 2008
    Abstract
  • The characteristics of debris clouds produced by hypervelocity impacts are simulated and analyzed by smoothed particle hydrodynamics (SPH). The variational laws of the diameter of holes, the debris clouds width, the cumulative percentage of fragments, the dimensionless momentum MD/M0 and the residual velocity are given. By fitting computational data, the cumulative percentage of fragments as a function of the fragment mass and the impact velocity is presented. The computational results show that the function agrees with SPH results very well.

     

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