The Influence of Impact Angle on the Dynamic Response of a Hybrid III Headform and Brain Tissue Deformation

Files in This Item:
File Description SizeFormat 
Gilchrist_D10_Archival Repository.pdf2.28 MBAdobe PDFDownload
Title: The Influence of Impact Angle on the Dynamic Response of a Hybrid III Headform and Brain Tissue Deformation
Authors: Oeur, Anna
Hoshizaki, Thomas Blaine
Gilchrist, M. D.
Permanent link:
Date: 12-Mar-2014
Abstract: The objective of this study was to investigate the influence of impact angle on the dynamic response of a Hybrid III headform and brain tissue deformation by impacting the front and side of the headform with four angle conditions (0° at the impact site and 5°, 10° and 15° counter-clockwise rotations from 0°) as well as three additional angles of -5°, -10° and -15° (clockwise rotations from 0°) at the side location to examine the effect of direction. The acceleration-time curves were used as input into a finite element model of the brain where maximum principal strain was calculated. The results from this study show that impact angle has an asymmetrical influence on headform dynamic responses and strain. An increase in impact angle tends to result in a growth of headform linear and rotational acceleration and maximum principal strain for the front location as well as the negative angles (0 to -15°) at the side, however varying trends were observed for the positive angles (from 0° to 15°) at the side. When developing sophisticated impact protocols and undertaking head injury reconstruction research, it is important to be aware of impact angle.
Type of material: Book Chapter
Publisher: ASTM International
Copyright (published version): 2014 ASTM International
Keywords: Head impact angleHybrid III headformFinite element analysis
DOI: 10.1520/STP155220120160
Language: en
Status of Item: Peer reviewed
Is part of: Ashare, Alan; Ziejewski, Mariusz (eds.). Mechanism of Concussion in Sports
Appears in Collections:Mechanical & Materials Engineering Research Collection

Show full item record

Google ScholarTM



This item is available under the Attribution-NonCommercial-NoDerivs 3.0 Ireland. No item may be reproduced for commercial purposes. For other possible restrictions on use please refer to the publisher's URL where this is made available, or to notes contained in the item itself. Other terms may apply.