行人头部碰撞碳纤维夹芯复合材料引擎盖的有限元分析

复合材料科学与工程 ›› 2014, Vol. 0 ›› Issue (3): 36-40.

行人头部碰撞碳纤维夹芯复合材料引擎盖的有限元分析

李浩¹, 罗剑岚², 李炜^1,3

1.东华大学纺织学院,上海201620;
2.晋飞复合材料科技有限公司,上海201100;
3.教育部面料实验室,上海201620

收稿日期:2013-06-18 出版日期:2014-03-28 发布日期:2021-09-17
作者简介:李浩(1989-),男,硕士,主要研究方向为复合材料引擎盖有限元分析。

FINITE ELEMENT ANALYSIS OF IMPACT BETWEEN PEDESTRIAN HEAD IMPACTOR AND ENGINE HOOD

LI Hao¹, LUO Jian-lan², LI Wei^1,3

1. College of Textile Engineering, DongHua University, Shanghai 201620, China;
2. JingFei Composite Technology Corporation, Shanghai 201100, China;
3. Fabric laboratory of Education Ministry, Shanghai 201620, China

Received:2013-06-18 Online:2014-03-28 Published:2021-09-17

摘要/Abstract

摘要： 利用ABAQUS的Explicit模块建立了行人头部碰撞碳纤维夹芯复合材料的有限元模型,并使用DIAdem工程分析软件计算了头部损伤指标HIC值。通过钢球碰撞试验验证了模型的有效性,分析了碳纤维复合材料层数,硬质泡沫厚度,蒙皮的铺层方式对HIC值和最大侵入量的影响。结果表明,加入硬质泡沫可以大量减少碳纤维复材使用量,并且不会增加HIC值和最大侵入量;硬质泡沫厚度不宜太大也不宜太小,有最优值;各向同性明显的铺层方式有利于减小HIC值。

关键词: 碳纤维夹芯复合材料, 头型冲击器, ABAQUS, HIC, 侵入量

Abstract: Finite element model (FEM) of the impact between head impactor and carbon fiber sandwich composite was established. The head injury criterion (HIC) has been calculated by using the software DIAdem. The model has been verified to be valid through the steel ball impact experimnet. The numbers of layers, the thickness of foam, the stack sequence, their role on the HIC and deformation have been investigated. It was shown that adding the foam could save the quantity of CFRP without increasing the HIC and deformation; Too large or too small foam thickness is not good for pedestrian protection, it has a optimal value; Isotropic lay-up will leads to a low HIC.

Key words: carbon fiber sandwich composite, head impactor, ABAQUS, HIC, deformation

中图分类号:

TB332

李浩, 罗剑岚, 李炜. 行人头部碰撞碳纤维夹芯复合材料引擎盖的有限元分析[J]. 复合材料科学与工程, 2014, 0(3): 36-40.

LI Hao, LUO Jian-lan, LI Wei. FINITE ELEMENT ANALYSIS OF IMPACT BETWEEN PEDESTRIAN HEAD IMPACTOR AND ENGINE HOOD[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(3): 36-40.

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