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Numerical Simulation of Target Damage Zone under Hypervelocity Impact
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Bingwen Qian, Gang Zhou**, Chunlin Chen, Mingrui Li, Pengfei Gao, Kehui Wang, Xianghui Dai, Ming Li, Kun Ma, Chongxin Wu
Chinese Journal of Solid Mechanics | 2024, 45(1) : 29 - 37
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Chinese Journal of Solid Mechanics | 2024, 45(1): 29-37
• Research Paper •
Numerical Simulation of Target Damage Zone under Hypervelocity Impact
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Bingwen Qian, Gang Zhou**, Chunlin Chen, Mingrui Li, Pengfei Gao, Kehui Wang, Xianghui Dai, Ming Li, Kun Ma, Chongxin Wu
Affiliations
  • Northwest Institute of Nuclear Technology, Xi'an, 710024
Published: 2024-02-25 doi: 10.19636/j.cnki.cjsm42-1250/o3.2023.055
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In hypervelocity impact problems, it is difficult to accurately obtain the crater morphology under certain conditions. Studying the damage zone can compensate for this limitation and serve as an important basis for understanding the impact mechanism and validating numerical simulations. However, there has been limited research on numerical simulation of the damage zone due to the lack of experimentally validated criteria. This paper presents a summary of the existing quantitative measurement results for the damage zone. The findings reveal that, for the same target, the depths of the damage zone obtained through multiple microscopic testing methods are relatively consistent, which facilitates the analysis of the damage zone. Based on the iSALE code, the applicability of total plastic strain (TPS), damage factor (D), and peak pressure as criteria for assessing the damage zone is analyzed. The results indicate that, TPS=0.1 is appropriate as a damage criterion, D=1 could be used as a damage criterion with caution, while peak pressure is not a suitable damage criterion. Through parametric analysis, it is found that the damage zone gradually decreases with increasing porosity and target strength.

hypervelocity impact  /  damage zone  /  plastic strain  /  damage factor  /  peak pressure
Bingwen Qian, Gang Zhou, Chunlin Chen, Mingrui Li, Pengfei Gao, Kehui Wang, Xianghui Dai, Ming Li, Kun Ma, Chongxin Wu. Numerical Simulation of Target Damage Zone under Hypervelocity Impact[J]. Chinese Journal of Solid Mechanics, 2024 , 45 (1) : 29 -37 . DOI: 10.19636/j.cnki.cjsm42-1250/o3.2023.055
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Year 2024 volume 45 Issue 1
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doi: 10.19636/j.cnki.cjsm42-1250/o3.2023.055
  • Receive Date：2023-06-02
  • Online Date：2026-03-27
  • Published：2024-02-25
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  • Received：2023-06-02
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    Northwest Institute of Nuclear Technology, Xi'an, 710024
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
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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