Construction of Injury Risk Curve of Protected Personnel Considering Position Specificity

ZHANG Bingya; WEN Yaoke; LU Fandong; ZHU Yongxian; XU Haoran

doi:10.12382/bgxb.2025.0896

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Construction of Injury Risk Curve of Protected Personnel Considering Position Specificity

更新时间：2026-02-11

- Construction of Injury Risk Curve of Protected Personnel Considering Position Specificity
- Acta Armamentarii (2026)
- 作者机构：
  
  1. 南京理工大学机械工程学院,江苏,南京,210094
  2. 63961部队,北京,100080
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2025.0896
  CLC： TJ012.4
- Received：29 September 2025，
  
  Online First：11 February 2026，
- 稿件说明：
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张炳雅，温垚珂，陆凡东，等. 考虑位置特异性的有防护人员损伤风险曲线构建[J/OL]. 兵工学报, 2026(2026-02-11). https://doi.org/10.12382/bgxb.2025.0896.

ZHANG B N, WEN Y K, LU F N, et al. Construction of injury risk curve of protected personnel considering position specificity[J/OL]. Acta Armamentarii, 2026(2026-02-11). https://doi.org/10.12382/bgxb.2025.0896. (in Chinese)
张炳雅，温垚珂，陆凡东，等. 考虑位置特异性的有防护人员损伤风险曲线构建[J/OL]. 兵工学报, 2026(2026-02-11). https://doi.org/10.12382/bgxb.2025.0896. DOI：

ZHANG B N, WEN Y K, LU F N, et al. Construction of injury risk curve of protected personnel considering position specificity[J/OL]. Acta Armamentarii, 2026(2026-02-11). https://doi.org/10.12382/bgxb.2025.0896. (in Chinese) DOI：

摘要

为探究有防护人员受破片钝性冲击后的损伤风险与背面凹陷最大深度（BackfaecSignature，BFSmax）的动态关系，为精准防护设计提供依据，通过弹道极限试验确定8g钨合金破片对NIJ III级防弹插板的弹道极限速度

50为740m/s。将苯乙烯-乙烯-丁烯-苯乙烯（Styrene Ethylene Butylene Styrene，SEBS）凝胶假人试验与有限元人体模型结合对比，开展破片钝击有防护SEBS凝胶假人试验，同时基于碰撞安全人体整体模型（Total Human Model for Safety，THUMS）构建含右肺、心脏两个冲击位置的有限元仿真模型，以逻辑回归方法绘制损伤风险曲线，结合毁伤树明确损伤判定准则。研究结果表明，心脏是最易受钝击损伤的胸腔器官，不同冲击位置损伤敏感性差异显著，心脏区域损伤阈值（400.3 m/s）低于右肺区域（513.6 m/s），胸骨对非直接钝击的抵抗能力强于肋骨；综合位置特异性后，人员50%损伤风险对应的BFSmax为18.47mm，显著低于传统25 mm阈值，且构建的逻辑回归模型AUC值达0.9608，预测准确性优异。研究结论可为战场损伤快速评估及防护装备差异化优化设计提供科学支撑。

Abstract

To explore the dynamic relationship between injury risk and maximumback face signature(BFSmax) in protected personnel subjected to blunt fragment impacts

and to provide a basis for precise protective design

this study first determined the

50of 8g tungsten alloy fragments penetrating NIJ III bulletproof plates as 740m/s through ballistic limit tests. It is the first time that this study combines and compares SEBS gel dummy tests with finite element human body models: blunt impact tests on protected SEBS gel dummies were conducted

and a finite element simulation mode

l including two impact positions (right lung and heart) was established based on the THUMS human body model. Injury risk curves were plotted using logistic regression

and injury criteria were clarified with the help of an injury tree. The results showed that the heart is the most vulnerable thoracic organ to blunt impacts

with significant differences in injury sensitivity between different impact positions: the injury threshold of the heart area (400.3 m/s) is lower than that of the right lung area (513.6 m/s)

and the sternum has a stronger resistance to non-direct blunt impacts than the ribs. After integrating position specificity

theBFSmaxcorresponding to a 50% injury risk in personnel is 18.47mm

which is significantly lower than the traditional threshold of 25 mm. The constructed logistic regression model has excellent prediction accuracy with an

AUC

value of 0.9608. The research conclusions can provide scientific support for rapid battlefield injury assessment and differentiated optimization design of protective equipment.

关键词

Keywords

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