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Volume 27 Issue 4
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Chinese Journal of High Pressure Physics  > 2013  >  27(4): 575-581.
CHENG Li-Rong, SHI Hui-Ji, CHEN Rong. Numerical Simulation on the Damage and Hot-Spot Formation in Warhead Charge under Shock[J]. Chinese Journal of High Pressure Physics, 2013, 27(4): 575-581. doi: 10.11858/gywlxb.2013.04.017
Citation: CHENG Li-Rong, SHI Hui-Ji, CHEN Rong. Numerical Simulation on the Damage and Hot-Spot Formation in Warhead Charge under Shock[J]. Chinese Journal of High Pressure Physics, 2013, 27(4): 575-581. doi: 10.11858/gywlxb.2013.04.017
shu

Numerical Simulation on the Damage and Hot-Spot Formation in Warhead Charge under Shock

doi: 10.11858/gywlxb.2013.04.017
  • 1.

    School of Aerospace, AML, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;

  • 2.

    The Equipment Research Institute of PLA's Second Artillery, Beijing 100085, China;

  • 3.

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

  • Received Date: 23 Nov 2011
  • Rev Recd Date: 20 Dec 2011
  • Publish Date: 15 Aug 2013
    Abstract
  • In order to solve the difficult problem about the security of warhead in the penetration process, the relationship between damage and hot-spot formation in the charge has been researched. Based on crack friction under mechanical impact, a thermo-viscoelasticity constitutive model for explosive materials coupling the crack damage and hot spot formation is presented to analyze the formation of hot spot in warhead charge during penetration. The influence factors of hot-spot formation under different penetration conditions are discussed and compared. The numerical simulation method provided can be used to design and evaluate the security of loaded projectiles under impact.

     

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    • References(12)
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