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首页> 外文期刊>International journal of design engineering >Effects of microbus front structure on pedestrian head injury
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Effects of microbus front structure on pedestrian head injury

机译：小巴前排结构对行人头部伤害的影响

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In order to study the effects of the microbus front structure on pedestrian head injury happened in pedestrian-microbus collisions, the mathematic models of the impact angle and microbus front configuration are developed, which illustrate the relationship between the impact angle, pedestrian size and oblique angles of the engine hood and windscreen. The mathematic models are then verified by simulating experiments using LY-Dyna. The impact angle a, which is measured between the contact surface and the pedestrian head's impact direction at the contact point, is an important parameter indicating the relationship of pedestrian head injury with the microbus front structure. The analysis and simulation results reveal that: 1) in the case of collision with the windscreen, the pedestrian head injury increases while a increases; 2) in the case of collision with the engine hood, the pedestrian head incurs the most serious injury when a = 90°, the pedestrian head injury increases while a increases when or < 90° and the pedestrian head injury reduces while a increases when a> 90°. Six microbus models are taken as examples to verify the results obtained.
机译：为了研究微客车前部结构对行人与小客车碰撞中行人头部受伤的影响，建立了碰撞角度和微客车前部配置的数学模型，说明了碰撞角度，行人大小和倾斜角度之间的关系。发动机罩和挡风玻璃。然后，通过使用LY-Dyna模拟实验来验证数学模型。在接触点与行人头部的碰撞方向之间测量的碰撞角α是一个重要参数，表明行人头部受伤与小巴前部结构之间的关系。分析和仿真结果表明：1）在与挡风玻璃发生碰撞的情况下，行人头部的伤害增加而增加； 2）在与发动机罩相撞的情况下，当a = 90°时，行人头部受到最严重的伤害；当或<90°时，行人头部的伤害增加，而当a≤90°时，行人头部的伤害增加；当> 90°。以六个小客车模型为例，对所获得的结果进行验证。

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