Energy Absorbing Impact Zone
Group Number: 3A
Group Members:
SBC-11-1021 673654 EE Da Wei (David)
SBC-11-1022 673666 EE Zhang Minhui (Park)
SBC-11-1028 673661 EE Wu Yifan (Jason)
SBC-11-1027 673664 EE Xiang Qi (Aaron)
Submission Date: Apr. 18th 2014
Contents
Introduction………..…..………………...……………………...…….....3
Mind Map …………………………..………………………...……..…….6
Process Map ……………………..……………………………………..…7
Four Original Designs………..………………..…...………...……..…8
Design 1: Paper Box EAIZ
Design 2: Pure Straw EAIZ
Design 3: Triangular Structure EAIZ
Design 4: Honeycomb Structure EAIZ
Designs Selection…….………….…………………………………...15
Quick Elimination
Deep Balance
Final Design & Specification…….…………………………………...18
Partial Test…………………..……………………...……………..…..19
Force Compression Test
Improvements
Manufacture Procedure……...…….…………..….......................…23
Computer Simulation……………………………….....................….27
SolidWorks Simulation Drop Test
Force Analysis Results & Improvement
Final Test & Results………………………………………….……………..31
Front Collision
Side Collision
Process Validity & Improvements…..…………………….……..….40
Conclusion………………..…….………………………….….………...41
References……………………………………………………….……41
Peer Assessment……………………………………………..………42
Ⅰ. Introduction
Background
According to World Health Organization (WHO), the car accident fatality all over the world in 2012 is approximately 2 million, and the injury record is far more extensive (Grabianowski, n.d). An alternative to mitigate the car accident injury or fatality is the installation of Energy Absorbing Impact Zone (EAIZ). The Energy Absorbing Impact Zone is a unique structure, primarily used in automobiles, so as to prevent the drivers from the injury by absorbing the kinetic energy from collision into its own elastic energy through deformation. Generally, the EAIZs are located in the front part of the automobiles and their two sides, and the common materials for EAIZ are aluminum alloy,
References: Roylance, D. (2001), Finite Element Analysis [Internet], Available from http://ocw.mit.edu/courses/materials-science-and-engineering/3-11-mechanics-of-materials-fall-1999/modules/fea.pdf [Accessed Apr 12th 2014] PERSONAL AND PEER ASSESSMENT FORM