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Determination of Collision Configurations from Vehicle Deformation Patterns
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English
Abstract
The severity of vehicle crush and occupant injury is explained in terms of the changes in kinetic energy or change in velocity during impact. The work is calculated by mathematical models such as CRASH 3 program on the basis of vehicle damage information collected from the accident scene. In application of CRASH 3, the impact orientation and the direction of the principal force, etc. must be inferred by user, based on measurement and experience. Therefore it is one of the most important tasks to estimate the collision configuration from physical evidence. The individual experience methods in this regard may lead to big misunderstandings and mistaken conclusions in the reconstruction; however, very little has been studied the determination of the collision configuration in the reconstruction.
In general, the vehicle collision occurs in three steps: the vehicle contacts to the other vehicle, the maximum deformation of the vehicles occurs, and then the second collision happens depending on collision configuration.
This paper provides an experimental discussion for determination of collision configurations from vehicle crush dynamics and the resulting deformation patterns. A series of oblique full-scale collision experiments were carried out, and a quantitative description of vehicle deformation was developed using stereo type camera system. A practical application also will be presented in this paper.
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Authors
Citation
Ueyama, M., Makishita, H., and Saito, S., "Determination of Collision Configurations from Vehicle Deformation Patterns," SAE Technical Paper 910127, 1991, https://doi.org/10.4271/910127.Also In
References
- Sato T. Sato G. Konishi Y. Nakamura T. “Dynamics of vehicle collision,” JSAE 21 906 909 1967
- Campbell K.L. “Energy basis for collision severity,” SAE 740565 1 9 1971
- Stonex, W.Nelson Garrett J. Michalski C. Siegal A. “Collision damage severity scale,” SAE No. 700136 1970
- SAE “Collision deformation classification,” SAE Technical Report J224 Mar80 SAE Handbook 119 129 1981 5
- MecHenry R. R. “Development of a computer program to aid the investigation of highway accidents,” Calspan Report No.VJ-2979-V-1,PB-208537 1971
- Jone I.S. Segal D.J. “The application of the SMAC accident reconstruction program to actual accidents 18th A.A.A.M. 252 264 1974
- Ishikawa H. “Computer simulation of automobile collision, Reconstruction of accidents,” 29th Stapp Car Crash Conference SAE. 851729 113 127 1985
- Baker J.S. “Reconstruction,” Traffic Accident Investigation Manual Northwestern University Evanston, IL., U.S.A. 1979