Finite Element Model Study of Head Impact Based on Hybrid III Head Acceleration: The Effects of Rotational and Translational Acceleration

[+] Author and Article Information
Kazunari Ueno, John W. Melvin

Biomedical Science, General Motors Research Laboratories, 30500 Mound Rd., Warren, MI 48090-9055

J Biomech Eng 117(3), 319-328 (Aug 01, 1995) (10 pages) doi:10.1115/1.2794187 History: Received October 15, 1991; Revised August 31, 1994; Online October 30, 2007


The translational and rotational components of acceleration measured at the center of gravity of a Hybrid III dummy head were used to investigate their individual and combined effects on a two-dimensional finite element model of the human brain. Each component of acceleration generated distinct patterns of deformation. Although translational acceleration is related to pressure and rotational acceleration has a dominant effect on shear deformations, complete acceleration (combination of translation and rotation) yielded the highest values in all stresses and produced a maximum shear stress at the top of the brain.

Copyright © 1995 by The American Society of Mechanical Engineers
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