To support the theoretical design of the hypersonic missile's terminal effect and meet the development demand of penetration mechanics theory of non-circular projectiles,the penetration mechanism of non-circular projectilesis a key scientific problem required to be solved. A comprehensive review is conducted on the penetration behavior,penetration mechanism,ballistic stability,and structural response of non-circular projectiles. It is a review and summary of the existing research work,aiming to establish a basic framework for researching the penetration problem of non-circular projectiles. Moreover,the new phenomena and mechanisms introduced by the structural changes of non-circular projectiles are highlighted. Three suggestions for the future research of the non-circular projectiles are put forward for the reference of relevant researchers.
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