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Side Interior Stiffness Measurement
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English
Abstract
In side impacts, injury to occupants is caused by the contact of the occupant with one or more of the various interior surfaces, or structures, of the vehicle for instance, a majority of thoracic injuries are due to an impact with the interior area of the door. Likewise, a large number of head injuries result from the head striking upper interior structures.
It may be possible that a change in the stiffness characteristics of these upper interior structures could reduce their injury causing potential. The first step toward improvement is the measurement of existing structural characteristics and the relation of these to head impact responses.
This report reviews an approach and hardware used to measure the upper interior stiffness characteristics of a few vehicles. Alternative methods of stiffness characterization are presented. In addition, it reviews the effort made to determine the significance of the stiffness variations through an attempt to relate head injury to the measured stiffness characteristics. Injury estimates in the form of Head Injury Criteria (HIC) and Mean Strain Criteria (MSC) are presented.
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Authors
Citation
Willke, D. and Monk, M., "Side Interior Stiffness Measurement," SAE Technical Paper 861880, 1986, https://doi.org/10.4271/861880.Also In
References
- Saul R.A. Farson M. Guenther D.A. “Component Head Test Accident Reconstruction Feasibility Analysis” Final report of Project SRL-73 January 1986
- Willke D.T. Monk M.W. “Side Interior Stiffness Measurement” DOT report number DOT HS 806 708 September 1984
- Chou C.C. Nyquist G.W. “Analytical Studies of the Head Injury Criterion (HIC)” Presented at the Automotive Engineering Congress Detroit, MI February 1974
- “Comparison of Head Acceleration Injury Indicies in Cadaver Skull Fracture” Hodgson V.R. Thomas L.M. School of Medicine, Wayne State University Paper no. 710854 at the 15th Stapp Car Crash Conference November 1971
- “Head Impact Response” Hodgson V.R. Thomas L.M. School of Medicine, Wayne State University Vehicle Research Institute Report no. VRI 7.2 1973
- “State-of-the-Art Dummy Selection” NHTSA Project no. SRL-29 September-December 1982
- “Response of the Cervical Spine to Superior-Inferior Head Impact” Nusholtz G.S. Melvin J.W. Huelke D.F. Allem N.M. Blank J.G. Highway Safety Research Institute, The University of Michigan Paper no. 811005 at the 25th Stapp Car Crash Conference September 1981
- “Head Impact Response” Stalnaker R.L. Melvin J.W. Nusholtz G.S. Allem N.M. Benson J.B. Highway Safety Research Institute, The University of Michigan Paper no. 770921 at the 21st Stapp Car Crash Conference October 1977