正面碰撞中基于中国人体尺寸的假人损伤响应研究*

doi:10.19562/j.chinasae.qcgc.2019.03.008

汽车工程 ›› 2019, Vol. 41 ›› Issue (3): 289-297.doi: 10.19562/j.chinasae.qcgc.2019.03.008

正面碰撞中基于中国人体尺寸的假人损伤响应研究^*

颜凌波^1,2,解文娜²,许伟¹,曹立波²,戴宏亮²,张恺²

1.汽车噪声振动和安全技术国家重点实验室,重庆 400039;
2.湖南大学,汽车车身先进设计制造国家重点实验室,长沙 410082

收稿日期:2018-02-09 出版日期:2019-03-25 发布日期:2019-03-25
通讯作者: 颜凌波,博士,E-mail:milanylb@hotmail.com
基金资助:
汽车噪声振动和安全技术国家重点实验室2015年度开放基金(NVHSKL-201509)和国家自然科学基金(51605152)资助

Injury Responses of the Dummy Based on Chinese Anthropometric Data in Frontal Crash

Yan Lingbo^1,2, Xie Wenna², Xu Wei¹, Cao Libo², Dai Hongliang² & Zhang Kai²

1.State Key Laboratory of Vehicle Noise-Vibration-Harshness and Safety Technology, Chongqing 400039;
2.Hunan University, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Changsha 410082

Received:2018-02-09 Online:2019-03-25 Published:2019-03-25

摘要/Abstract

摘要： 为探究中国乘员在汽车正面碰撞中的损伤响应,基于中国人体尺寸和现有混III 50百分位假人有限元模型,采用全体段缩放方法建立了符合中国人体尺寸特征的中国人50百分位男性假人有限元模型。采用LS-DYNA建立并验证了某量产车型的驾驶员侧约束系统模型,对比分析了中国人50百分位男性假人与混III 50百分位假人在同一正面碰撞工况下的损伤响应,并研究了安全气囊的起爆时间、排气孔直径和气体质量流率3个参数对两种假人的损伤影响。结果表明,与混III 50百分位男性假人相比,中国50百分位男性假人的头部损伤风险较大,而胸部损伤可能较小;对于混III 50百分位男性假人是最优的安全气囊参数未必能给对应的中国假人提供最优的保护,部分安全气囊参数对两种假人损伤的影响趋势甚至是相反的。

关键词: 中国人体尺寸, 假人, 汽车正面碰撞, 损伤响应, 安全气囊参数

Abstract: In order to investigate the injury responses of Chinese occupants in vehicle frontal crash, the FE model for Chinese 50th-percentile male dummy conforming to Chinese anthropometric features is developed by scaling all body segments based on Chinese anthropometric data and the current FE model for Hybrid III 50th-percentile dummy. The model for the driver restraint system of a production car is established and validated with LS-DYNA, the injury responses of Chinese 50th-percentile male dummy and Hybrid III 50th-percentile dummy under the same frontal crash condition are contrastively analyzed, and the effects of the ignition time, vent diameter and gas mass flow rate of airbag on the injury responses of these two dummies are studied. The results show that compared with Hybrid III 50th-percentile dummy, the Chinese 50th-percentile male dummy has higher risk of head injury and may have a lower risk of thorax injury. The optimum airbag parameters for Hybrid III 50th-percentile dummy can’t necessarily provide best protection for Chinese 50th-percentile male dummy and the influence tendencies of some airbag parameters for these two dummies may even be just the opposite

Key words: Chinese anthropometric data, dummy, vehicle frontal crash, injury responses, airbag parameters

颜凌波,解文娜,许伟,曹立波,戴宏亮,张恺. 正面碰撞中基于中国人体尺寸的假人损伤响应研究^*[J]. 汽车工程, 2019, 41(3): 289-297.

Yan Lingbo, Xie Wenna, Xu Wei, Cao Libo, Dai Hongliang & Zhang Kai. Injury Responses of the Dummy Based on Chinese Anthropometric Data in Frontal Crash[J]. , 2019, 41(3): 289-297.

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正面碰撞中基于中国人体尺寸的假人损伤响应研究^*

Injury Responses of the Dummy Based on Chinese Anthropometric Data in Frontal Crash

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