D型战斗部与战机目标的最优交会角研究

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中图分类号：TJ410；O385 文献标识码：A DOI： 10. 7535/hbgykj. 2025yx05008

Research on the optimum intercept angle between D-shaped warhead and aircraft object

ZHANG Zhuangzhuang，ZHANG Dongmei， ZHANG Yu，DU Dongyan （Schoolof Mechanical and Electrical Engineering，North Universityof China，Taiyuan，Shanxi O3oo51，China）

Abstract：Toaddress the problemof insuficient guidance accuracyand limited damage effectivenessof traditional warheads when engaging highlymaneuverable，high-altitude，and high-speedfighteraircraft，aD-shapedwarheadwithdirectional damage caracteristics was adopted.By systematically optimizing damage parameter and energy transferpath，an eficient damage system tailored for high-speed fighter targets was constructed. A penetration model of a 120∘ D-shaped warhead against thecomposite skin of fighter aircraft was developed based onthe Autodyn simulation platform.Considering seven common conditions，thecase yieldingthe highestfragmentlethalitywas selectedtoevaluate theoptimal interceptionanglefordamaging thecockpit canopy.Theresults indicate that during dynamic detonation，fragment dispersion velocity increases witha directionaltilt.Thepenetrationefectonthecockpitcanopyis maximizedwhentherelativefragmentvelocityisperpendicular to the aircraft's velocity （interception angle of 45.96∘ ）.The derived formulas for initial fragment velocity and interception angle demonstrateuniversalapplicability.Thisresearch providesatheoreticalbasisforrapidlycaleulatingtheoptimal interception angle between D-shaped warheads and fighter targets.

Keywords：high-speed colision dynamics；D-shaped warhead；fighter aireraft；fragment power；fragment initial velocity; intercept angle

主力战机凭借其高速机动性、高空作战能力和多任务载荷特性，在现代空战中发挥着战略威慑作用。（剩余10975字）