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Volume 29 Issue 1
Apr 2015
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Chinese Journal of High Pressure Physics  > 2015  >  29(1): 63-68.
LIU Jun, WANG Yan-Jin, FENG Qi-Jing, ZHANG Shu-Dao. Simulation Study on Effects of Material Properties of the Bulging Flyers Driven by Colliding Detonation Waves[J]. Chinese Journal of High Pressure Physics, 2015, 29(1): 63-68. doi: 10.11858/gywlxb.2015.01.011
Citation: LIU Jun, WANG Yan-Jin, FENG Qi-Jing, ZHANG Shu-Dao. Simulation Study on Effects of Material Properties of the Bulging Flyers Driven by Colliding Detonation Waves[J]. Chinese Journal of High Pressure Physics, 2015, 29(1): 63-68. doi: 10.11858/gywlxb.2015.01.011
shu

Simulation Study on Effects of Material Properties of the Bulging Flyers Driven by Colliding Detonation Waves

doi: 10.11858/gywlxb.2015.01.011

  • Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

  • Received Date: 13 Jun 2013
  • Rev Recd Date: 15 Aug 2013
    Abstract
  • The elastic-plastic hydrodynamic L-R two-step Euler method was used for studying metal flyers colliding behaviors driven by cylinder explosion.The simulation results just accorded with the radio graphs when the flyer metal was lead, and the melting and spall phenomenons were described by simulation.And then, the formation mechanism of bulging part was researched.The material properties including melting points, strength, density and sound velocity, were investigated in this study.By analyzing the simulation results, some phenomenons are found out:the strong strength brings on an blunt bulging area; and the material sound velocity affects the pressure working time on colliding area, which is much more sensitive than the density and strength.

     

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