A Study on Crash Failure Simulation of Vehicle Engine Mounts

被引：0
|
作者：
Wu, Changpeng [1 ]
Xie, Bin [1 ]
Pan, Feng [2 ,3 ]
Luo, Kun [1 ]
Zhang, Kunlun [2 ]
Zhang, Sipeng [3 ]
机构：
[1] Dongfeng Nissan Passenger Vehicle Technical Center, Guangzhou,510800, China
[2] School of Mechanical Engineering, Xiamen University of Technology, Xiamen,361024, China
[3] Shanghai ShareFEA Engineering Technology, Shanghai,201821, China
来源：
Qiche Gongcheng/Automotive Engineering | 2019年 / 41卷 / 01期
关键词：
Crashworthiness;
D O I：
10.19562/j.chinasae.qcgc.2019.01.006
中图分类号：
学科分类号：
摘要：
Vehicle engine mounts have crucial influence on side rail deformation in frontal impact. In order to correctly predict the fracture failure behavior of engine mounts, a mechanical property test on cast aluminum material is conducted. Cast aluminum material card with failure criteria is set up based on CrachFEM tenacity failure criteria. Through the drop hammer test and simulation, the correctness of cast material card and the reliability of engine mounts modeling are verified. The results of vehicle crash simulation show that CrachFEM failure model can accurately simulate the fracture failure process of engine mounts, enable the deformation mode of side rail and the acceleration responses of car body closer to test results and enhance the accuracy of engine crash simulation, providing simulation assesement means for crashworthiness development. © 2019, Society of Automotive Engineers of China. All right reserved.
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页码：36 / 41
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