In this paper, the attitude changes of projectile and its influence parameters during the process of penetration on the ship plate structure are studied by material point method. The method is firstly verified by comparing with experimental results. The numerical results agree well with the experimental results. The failure behavior of the plate is similar to the actual situation, and the failure mode is basically the same. With the change of different parameters, the attitude of projectiles will change differently. The greater the penetration velocity, the weaker the influence of other related parameters on the projectile attitude. When other parameters are not changed, the relative size of the strength of stiffener and the thickness of target plate determines the change of the projectile attitude. Analyze from the perspective of energy and force, and finally projectile attitude can be divided into four types.
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The authors would like to acknowledge the support of the National Natural Science Foundation of China (51879048).
On behalf of all authors, the corresponding author states that there is no conflict of interest.
Yinan Wang is a Ph.D. student in the College of Shipbuilding Engineering of Harbin Engineering University. His research interests include ship plate frame, penetration and structural dynamics.
Zhi Wang is a teacher at Harbin Engineering University. His research interests include damage evolution, penetration and structural dynamics.
Xiongliang Yao is the most experienced Professor in the team, responsible for the overall academic atmosphere of the laboratory, with a wide range of research including explosions, vibrations and many other fields.
Nana Yang is Yinan Wang’s Tutor and the corresponding author of this article. Her research interests include material properties, structural dynamics and damage evolution.
Zhipeng Chen is a Ph.D. student in the Harbin Engineering University. He and Yinan Wang are partners in the research team, learning together. His research interests include penetration and material structure.
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Wang, Y., Wang, Z., Yao, X. et al. Changes of projectile attitude and its influence parameters during the process of penetration on the ship plate structure through material point method. J Mech Sci Technol 35, 449–459 (2021). https://doi.org/10.1007/s12206-021-0103-5
- Influence parameters
- Material point method
- Projectile penetration
- Projectile attitude
- Stiffened plate structure