汽车工程 ›› 2021, Vol. 43 ›› Issue (3): 421-428.doi: 10.19562/j.chinasae.qcgc.2021.03.016
蒋荣超1(),张涛1,孙海霞2,刘大维1,陈焕明1,王登峰3
收稿日期:
2020-07-17
修回日期:
2020-11-16
出版日期:
2021-03-25
发布日期:
2021-03-26
通讯作者:
蒋荣超
E-mail:jrch123@126.com
基金资助:
Rongchao Jiang1(),Tao Zhang1,Haixia Sun2,Dawei Liu1,Huanming Chen1,Dengfeng Wang3
Received:
2020-07-17
Revised:
2020-11-16
Online:
2021-03-25
Published:
2021-03-26
Contact:
Rongchao Jiang
E-mail:jrch123@126.com
摘要:
碳纤维增强复合材料(CFRP)具有轻质高强的特点,本文中基于抗撞性要求将某乘用车保险杠原钢制防撞梁替换为CFRP,并进行铺层优化设计。首先对CFRP层合板进行力学性能试验以获得材料参数,并通过三点弯曲仿真试验验证其准确性,然后根据等刚度设计原理,确定CFRP防撞梁的厚度,并通过保险杠低速碰撞有限元仿真对比分析两种材料防撞梁的抗撞性能。在此基础上,以质量、比吸能、最大侵入量和碰撞力峰值为目标,采用熵权TOPSIS方法对CFRP防撞梁进行铺层优化,确定出最优铺层方案。结果表明,在保证抗撞性能要求的条件下,优化后的CFRP防撞梁比原钢制防撞梁减轻了76.82%。
蒋荣超,张涛,孙海霞,刘大维,陈焕明,王登峰. 基于熵权TOPSIS法的CFRP防撞梁轻量化研究[J]. 汽车工程, 2021, 43(3): 421-428.
Rongchao Jiang,Tao Zhang,Haixia Sun,Dawei Liu,Huanming Chen,Dengfeng Wang. Study on Lightweighting of CFRP Bumper Beam Using Entropy⁃based TOPSIS Approach[J]. Automotive Engineering, 2021, 43(3): 421-428.
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