On ballistic trajectory of rigid projectile normal penetration based on a meso-scopic concrete model

Deng Yongjun; Chen Xiaowei; Yao Yong; Yang Tao

doi:10.11883/1001-1455(2017)03-0377-10

Volume 37 Issue 3

Apr. 2017

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Deng Yongjun, Chen Xiaowei, Yao Yong, Yang Tao. On ballistic trajectory of rigid projectile normal penetration based on a meso-scopic concrete model[J]. Explosion And Shock Waves, 2017, 37(3): 377-386. doi: 10.11883/1001-1455(2017)03-0377-10

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On ballistic trajectory of rigid projectile normal penetration based on a meso-scopic concrete model

doi: 10.11883/1001-1455(2017)03-0377-10

Deng Yongjun^{1, 2},
Chen Xiaowei^{1, 2
,
,},
Yao Yong¹,
Yang Tao¹

1.
School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang 621000, Sichuan, China
2.
Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2015-10-09
Rev Recd Date: 2016-03-27
Publish Date: 2017-05-25

Abstract

Abstract

To study the effect of the concrete's mesoscopic factors on the deflection of the rigid projectile's ballistic trajectory, we established a 3-D mesoscopic model for the concrete based on the idea of randomly distributed aggregates, analyzed the causes and possible contributing factors of the ballistic trajectory deflection of the rigid projectile penetrating into a concrete target, and examined quantitatively the influence of the mesoscopic factors of the concrete. The results show that the mesoscopic concrete model is able to reflect the typical physical phenomena of a projectile's normal penetration, that the mesoscopic factors have significant effect on the deflection of the ballistic trajectory as the rigid projectile is penetrating into the mesoscopic concrete, and that there exists a characteristic ratio of the projectile's diameter to the largest possible diameter of the aggregate.
- concrete,
- meso-scopic model,
- rigid projectile,
- normal penetration,
- ballistic trajectory deflexion

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References(19)

References

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