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Chinese Journal of High Pressure Physics  > 2000  >  14(2): 139-145 .
LIN Shao-Ming, XU Nan-Xian, CHEN Dong-Quan. Numerical Simulations of Hypervelocity Launchers[J]. Chinese Journal of High Pressure Physics, 2000, 14(2): 139-145 . doi: 10.11858/gywlxb.2000.02.010
Citation: LIN Shao-Ming, XU Nan-Xian, CHEN Dong-Quan. Numerical Simulations of Hypervelocity Launchers[J]. Chinese Journal of High Pressure Physics, 2000, 14(2): 139-145 . doi: 10.11858/gywlxb.2000.02.010
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Numerical Simulations of Hypervelocity Launchers

doi: 10.11858/gywlxb.2000.02.010

  • Beijing Institute of Applied Physics and Computational Mathematics, Beijing 100088, China

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  • Corresponding author: LIN Shao-Ming
  • Received Date: 05 May 1999
  • Rev Recd Date: 28 Sep 1999
  • Publish Date: 05 Jun 2000
    Abstract
  • Hypervelocity launchers (HVL) were simulated using a two-dimensional Lagrangian finite element code EPFT101. In the simulation model, a graded-density assembly is used to prevent the melting and fracturing of flier plates. Barrel extension method is adopted to increase launch velocity. The parameters of HVL were also optimized. As an example, the final velocity of a 1.063 gram titanium alloy flier plate impacted by a graded-density assembly at 5.8 km/s was predicted to be about 10 km/s.

     

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    • References(4)
  • Chhabildas L C, Reinhart W D, Hall C A, et al. Launch Capabilities to 16 km/s [R]. SAND94-1272, 1994.
    Chhabildas L C, Barker L M, Asay J R, et al. Launch Capabilities to over 10 km/s [A]. Shock Waver in Condensed Matter-1991 [C]. Amsterdam: Elsevier Science Publishers B V, 1992.
    Tmcano T G, Chhabildas L C. Computational Design of Hypervelocity Launchers [J]. J Impact Eng, 1995, 17: 849-860.
    Chhabildas L C, Trucano T G, Reinhart W D, et al. Chunk Projectile Launch Using the Sandia Hypervelocity Launcher Facility [R]. SAND 94-1273, 1994.
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