Numerical simulation of the interlayer effects for fragments impacting steel-covered charge

ZHANG Tao; LIU Yusheng; GAO Zhipeng; YANG Jia; LIU Yi; GU Yan

doi:10.11883/bzycj-2017-0154

Volume 38 Issue 6

Sep. 2018

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Article Navigation > Explosion And Shock Waves > 2018 > 38(6): 1241-1246

ZHANG Tao, LIU Yusheng, GAO Zhipeng, YANG Jia, LIU Yi, GU Yan. Numerical simulation of the interlayer effects for fragments impacting steel-covered charge[J]. Explosion And Shock Waves, 2018, 38(6): 1241-1246. doi: 10.11883/bzycj-2017-0154

Citation:

ZHANG Tao, LIU Yusheng, GAO Zhipeng, YANG Jia, LIU Yi, GU Yan. Numerical simulation of the interlayer effects for fragments impacting steel-covered charge[J]. Explosion And Shock Waves, 2018, 38(6): 1241-1246. doi: 10.11883/bzycj-2017-0154

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Numerical simulation of the interlayer effects for fragments impacting steel-covered charge

doi: 10.11883/bzycj-2017-0154

Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2017-05-04
Rev Recd Date: 2017-09-14
Publish Date: 2018-11-25

Abstract

Abstract

Non-linear dynamical finite element software AUTODYN was used to simulate the shock initiation of steel-covered charge impacted by high-velocity fragments. The interlayer effect was studied based on the pressure history of initiation when different materials and thickness interlayers were used. The results show that the interlayer material is an important factor affecting pressure history and run-to-detonation of explosives, the thickness of interlayer has the same effects. The initiation of explosives can be effectively prevented with changing the thickness and material of the interlayer.
- interlayer,
- steel-covered charge,
- high-velocity flyer,
- shock initiation,
- non-linear dynamic

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References

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