The vehicle’s front rails are main energy-absorbing components by bending and collapsing.
前纵梁主要依靠其弯曲变形和压溃变形吸收碰撞能量,是车身主要吸能零件。
参考来源 - 轿车碰撞性能试验分析及车身结构安全性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
因此，前纵梁的结构耐撞性设计在汽车正面碰撞中具有十分重要的工程意义。
Therefore, the structural design of vehicle front rail crashworthiness in the frontal crash has a great engineering significance.
根据仿真计算结果，对前纵梁和前轮罩进行结构改进设计，提高了其吸能能力。
Some design improvements of frontal longitudinal beam and enforced bone were achieved according to the simulation result, which improves the energy absorbing ability.
为了改进小型客车正碰撞性能，建立了小型客车车架前纵梁碰撞的有限元模型。
In order to improve a mini-bus crashworthiness, firstly, a finite element method model was built.
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