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Numerical Simulation on the Damage and Hot-Spot Formation in Warhead Charge under Shock
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Li-Rong CHENG1, 2, Hui-Ji SHI1, Rong CHEN3
Chinese Journal of High Pressure Physics | 2013, 27(4) : 575 - 581
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收藏切换
Chinese Journal of High Pressure Physics | 2013, 27(4): 575-581
Numerical Simulation on the Damage and Hot-Spot Formation in Warhead Charge under Shock
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Li-Rong CHENG1, 2, Hui-Ji SHI1, Rong CHEN3
Affiliations
  • 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
Published: 2013-08-15
Outline
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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.

penetration  /  security  /  hot spot  /  numerical simulation
成丽蓉, 施惠基, 陈荣. 战斗部装药冲击损伤及热点形成的数值分析. 高压物理学报, 2013 , 27 (4) : 575 -581 .
Li-Rong CHENG, Hui-Ji SHI, Rong CHEN. 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 .
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Year 2013 volume 27 Issue 4
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Article Info
  • Receive Date：2011-11-23
  • Online Date：2026-11-05
  • Published：2013-08-15
Article Data
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History
  • Received：2011-11-23
  • Revised：2011-12-20
Funding
Affiliations
    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
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小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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