Damage Domain Simulation-Based Evaluation of Anti-Fragmentation Capability of Launch Vehicles
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针对发射车战场环境下抗毁伤能力评估需求，提出一种基于毁伤域表征的发射车抗破片能力评估方法。首先，构建破片威力场与车辆毁伤准则；其次，利用边界交替采样与支持向量机快速界定毁伤域边界，并通过自适应网格积分计算毁伤域面积、面积比及毁伤概率，多维表征发射车抗破片能力；最后，综合考虑发射车各部件抗破片强度、作战地形、机动速度和攻击武器精度等因素，对发射车抗破片能力进行仿真计算。结果表明：单部件强度提升对整车抗毁能力影响程度不同，在发射筒、驾驶室、舱室、轮胎4个部件强度分别增大1倍后，整车毁伤域分别减少19.3%、9.5%、4.1%、0.1%；作战地形对整车抗毁能力影响显著，相对于水平地形，发射车周边坡度为-40°和40°时，整车毁伤域变化率分别为-66.9%和213%；发射车机动速度对抗破片能力影响有限，但在攻击弹药瞄准到惯性命中时间差为0.8 s时，发射车保持72 m/s机动速度，能够使毁伤概率降低47.3%。仿真算例验证了方法的有效性，实现了从部件性能到整车抗毁的量化评估，进而为发射车结构优化及作战运用提供决策参考。
Abstract：To address the evaluation need for anti-fragmentation capability of launch vehicles in battlefield environments, an evaluation method for anti-fragmentation capability based on damage domain characterization was proposed. First, the method constructed a fragmentation power field and vehicle damage criteria. Consequently, the damage-domain boundary was rapidly delineated using alternating boundary sampling and support vector machines. The damage area, area ratio, and damage probability were calculated using adaptive grid integration, thereby providing a multidimensional characterization of the antifrag-mentation capability of the vehicle. Finally, factors including the anti-fragmentation strength of key components,operational terrain, vehicle speed, and weapon attack accuracy were comprehensively considered in the simulation of the anti-fragmentation capability of launch vehicles. The results show that enhancing the strength of the individual components differentially affects the overall survivability. When the strengths of the launch tube, cabin, compartment, and tires are doubled, the overall damage areas decrease by 19.3%,9.5%, 4.1%, and 0.1%, respectively. Operational terrain significantly impacts the survivability of the vehicle, compared to flat ground, slopes of -40°and 40°around the vehicle lead to changes in the damage domains of-66.9% and 213%, respectively. The vehicle speed has a limited yet meaningful influence. At a speed of 72 m/s with a 0.8 s delay between aiming and impact, the damage probability can be reduced by47.3%. The simulation case verifies the effectiveness of the proposed method, enabling a quantitative evaluation of the component performance for overall survivability, thereby providing decision-making recommendations for the structural optimization and operational deployment of launch vehicles.
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基本信息:
DOI：10.20189/j.cnki.CN/61-1527/E.202602008
中图分类号:TJ768.28
引用信息:
[1]王冬,都亮,李向阳,等.基于毁伤域仿真的发射车抗破片能力评估[J].火箭军工程大学学报,2026,40(02):84-93.DOI:10.20189/j.cnki.CN/61-1527/E.202602008.
Citation Information:
[1]WANG Dong,DU Liang,LI Xiangyang ,et al.Damage Domain Simulation-Based Evaluation of Anti-Fragmentation Capability of Launch Vehicles[J].火箭军工程大学学报,2026,40(02):84-93.DOI:10.20189/j.cnki.CN/61-1527/E.202602008.
2026-04-15
2026-04-15