基于等效靶方法的飞机单击中易损性通用计算模型(英文)

A Generic Calculation Model for Aircraft Single-hit Vulnerability Assessment Based on Equivalent Target

飞机单击中易损性/生存力经常表示为飞机在给定一次威胁(例如碎片)随机打击条件下的杀伤概率及易损面积结果。本文将弹药威力评估领域中的“等效靶”方法引入到飞机易损性评估中,提出了一种飞机在弹丸或导弹碎片单次打击下的杀伤概率及易损面积的通用计算模型。为了更加反映真实情况,该模型考虑了一枚碎片(弹丸)连续穿透部件后运动状态变化的影响。应用中表明,所提出的通用模型解决了易损性评估中 Pk/h(部件给定打击下的杀伤概率)的计算问题,与其它通常采用的单击中模型相比更容易实现计算机化。

Aircraft single-hit vulnerability/survivability is usually expressed as the probability of kill or the vulnerable area in case of being given a random threat （e.g. a fragment） hit on the aircraft. In this paper, introducing the ＂equivalent target method＂ in lethality field into the aircraft vulnerability assessment, a generic vulnerability calculation model is proposed. In order for a good representation of reality, the model considers the threat change of state-of-motion during the threat penetrating into the components successively. Application shows that the proposed generic model has solved the Pk/h （probability of kill given by a hit on the component） calculation problem in aircraft vulnerability assessment, and is easier to be computerized than other commonly used models.