Computational Model and Construction Method for Digital Human Fragment Injuries Based onExperimental Wound Ballistics

doi:10.12382/bgxb.2025.0572

Abstract

Abstract:

This research has significant practical significance for enhancing defense strategies and has attracted significant attention from scholars worldwide. There is a lack of systematic research on the calculation methods and models for digital human fragment injuries based on experimental wound ballistics in China. A construction method for digital human fragment injury model is proposed, and a high-precision human geometric model is established. The injury calculation models are derived from the fragment penetration experiment and numerical simulation. The quantitative criteria for the penetrating depth and aperture of fragment into the human tissues and organs, as well as personnel injury are established. A digital human fragment injury calculation software is developed using Qt platform and OpenGL technology, and the representative cases of single fragment hitting a specific part of human body and hitting the human body at different angles are studied. The digital human fragment injury calculation method and the associated high-precision model software are proposed to offer scientific support for battlefield fragment injury assessment, casualty prediction during warhead attacks, and personnel protection strategies.

Key words: fragment injury, digital human, personnel vulnerability, injury criteria, injury prediction

FAN Zhuangqing, WANG Shuo, LI Xiangyu, WANG Jianmin, ZHANG Shuangbo, LI Guanhua, CHEN Jing, LU Fangyun. Computational Model and Construction Method for Digital Human Fragment Injuries Based onExperimental Wound Ballistics[J]. Acta Armamentarii, 2025, 46(10): 250572-.

Figures/Tables 18

References 38

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部位	包含组织类型及名称
头颈部	皮肤、骨骼(颅骨、下颌骨、7节颈椎、会厌软骨)、肌肉(降眉肌等40组肌肉丛)、器官(大脑、小脑、脑干、眼球、咽口部、鼻)、血管(颈动静脉)
躯干部	皮肤、骨骼(肩胛骨、肋骨、胸骨、锁骨、胸椎、腰椎、尾椎、髋骨)、肌肉(冈上肌等32组肌肉丛)、器官(气管、肺、食管、心脏、胃、肝、胆、肾、肠、胰脏、膈肌)、血管(腹腔动脉)
上肢(左右)	皮肤、骨骼(肱骨、桡骨、尺骨、手部骨)、肌肉(肱二头肌等21组肌肉丛)、血管(上臂动脉),左右肢相同
下肢(左右)	皮肤、骨骼(股骨、髌骨、腓骨、胫骨、脚部骨)、肌肉(股直肌等28组肌肉丛)、血管(股动脉),左右肢相同

部位	包含组织类型及名称
头颈部	皮肤、骨骼(颅骨、下颌骨、7节颈椎、会厌软骨)、肌肉(降眉肌等40组肌肉丛)、器官(大脑、小脑、脑干、眼球、咽口部、鼻)、血管(颈动静脉)
躯干部	皮肤、骨骼(肩胛骨、肋骨、胸骨、锁骨、胸椎、腰椎、尾椎、髋骨)、肌肉(冈上肌等32组肌肉丛)、器官(气管、肺、食管、心脏、胃、肝、胆、肾、肠、胰脏、膈肌)、血管(腹腔动脉)
上肢(左右)	皮肤、骨骼(肱骨、桡骨、尺骨、手部骨)、肌肉(肱二头肌等21组肌肉丛)、血管(上臂动脉),左右肢相同
下肢(左右)	皮肤、骨骼(股骨、髌骨、腓骨、胫骨、脚部骨)、肌肉(股直肌等28组肌肉丛)、血管(股动脉),左右肢相同

名称	侵彻厚度/cm	入口速度/ (m·s^-1)	出口速度/ (m·s^-1)	入口尺寸/ cm²	出口尺寸/ cm²
肌肉	9.07	298.75	144.34	0.6×0.6	0.2×0.2
股骨	1.8	572.44	436.51	—	—
肋骨	1	655.92	587.6	1.8×1.5	2.2×2.1

名称	侵彻厚度/cm	入口速度/ (m·s^-1)	出口速度/ (m·s^-1)	入口尺寸/ cm²	出口尺寸/ cm²
肌肉	9.07	298.75	144.34	0.6×0.6	0.2×0.2
股骨	1.8	572.44	436.51	—	—
肋骨	1	655.92	587.6	1.8×1.5	2.2×2.1

名称	a/ (kg·m^-3)	b/ (kg· m^-2·s^-1)	c/ (kg·(m^-1·s^-2)
股骨	362.85	349909.89	11949835.23
肋骨	499.82	139812.86	38284378.08