Background. The World Health Organization has reported that 1.35 million people die on the roads every year due to road traffic accidents. This paper focuses on exploring a passive safety system that reduces lesions in the overtaking run-over scenario. Methods. Head Injury Criterion (HIC) and Combined Thoracic Index (CTI) were evaluated through numerical simulations using LS-Dyna®; in order to compare the computed results, three different speed scenarios were carried out (velocity of running over 40, 50, 60 km/h). Results. The computed results were divided into groups, A for the run-over test without a passive security system and B for the run-over test with a passive security system. For case A.1, the HIC15 was 3325. For case A.2, the HIC15 was 1510, and for case A.3, the HIC 15 was 1208. For case B.1, the HIC15 2605, for case B.2, the HIC15 was 1282, and for case B.3, the HIC was 730. Conclusion. The comparative results show that the passive safety system installed on the bicycle has an increased benefit impact on the severity of the injury on vulnerable road users, decreasing the probability of cranioencephalic lesions in all study cases. In addition, the thorax injuries are cut down only in the impact scenario at a speed of 40 km/h.

中文翻译：

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对安全系统进行数值评估，以最大限度地减少骑车人碾压期间的伤害


背景。世界卫生组织报告称，每年有 135 万人死于道路交通事故。本文重点探讨一种减少超车碾压场景中损伤的被动安全系统。方法。使用 LS-Dyna® 通过数值模拟评估头部损伤标准 (HIC) 和综合胸部指数 (CTI)；为了比较计算结果，进行了三种不同的速度场景（跑步速度超过 40、50、60 km/h）。结果。计算结果分为两组，A组为无被动安全系统的穿越测试，B组为有被动安全系统的穿越测试。对于案例 A.1，HIC15 为 3325。对于案例 A.2，HIC15 为 1510，对于案例 A.3，HIC 15 为 1208。对于案例 B.1，HIC15 为 2605，对于案例 B.2 ，HIC15 为 1282，对于案例 B.3，HIC 为 730。结论。比较结果表明，安装在自行车上的被动安全系统对易受伤害的道路使用者的伤害严重程度具有更大的效益影响，降低了所有研究案例中颅脑损伤的可能性。此外，只有在时速40公里的撞击情况下，胸部损伤才会减少。