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Evaluation and Research of Structural Interaction between of two cars in Car to Car Compatibility
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 27, 2003 by SAE International in United States
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Incompatibility between two colliding cars is becoming an important issue in passive safety engineering. Among various phenomena, indicating signs of incompatibility, over-riding and under-riding are likely caused by geometrical incompatibility in vertical direction. The issue of over-riding and under-riding is, therefore, not only a problem for partner-protection but also a possible disadvantage in self-protection. One of the possible solutions of this dual contradictory problem is to have a good structural interaction between the front-ends of two cars. Studies have been done to develop a test protocol for assessment of this interaction and to define criteria for evaluation but mostly in terms of aggressivity, which is a term describing incompatibility of a relatively stronger car. In this study, it was hypothesized that homogeneous front-end could be a possible better solution for good structural interaction. A homogeneous front-end will result in less aggressivity and better self-protection at the same time, regardless of the front-end stiffness of an opponent car. Stress distribution at the front-end surface can be taken as possible indicators to quantitatively evaluate homogeneity of the car front-end. A multiple load-cell barrier enables to analyze stress distribution by measuring force inputs at discrete load-cells outputs though a crash test. In addition to digitizing stress distribution on the load-cell surface, statistical techniques can be used to quantify the deviation. A simulation study was conducted on simple frame models to examine the validity of the hypothesis and the capability of the proposed indicators.
CitationMakita, M., Kitagawa, Y., and Pal, C., "Evaluation and Research of Structural Interaction between of two cars in Car to Car Compatibility," SAE Technical Paper 2003-01-2819, 2003, https://doi.org/10.4271/2003-01-2819.
- Zobel, R. Proc. of 16 th ESV Conference 1 729 741 1998
- Appel, H. et al. Deter. Proc. of International Conference on Vehicle Safety 2000 London, England 55 61 2000
- Edwards, M. et al. Proc. of International Conference on Vehicle Safety 2000 London, England 3 17 2000
- Edward, M. et al. The Essential Requirements For Compatible Cars in Frontal Collisions ESV 2001
- Summers, S. et al. NHTSA's Compatibility Research Program Update SAE Paper 2001-01-1167 2001
- Delannoy, P. et al. Structural Front Unit Global Approach ESV 2001
- Koji, M. et al. JARI Research Journal 23 9 442 448 Sept. 2001
- Edward, M. et al. Development of Test Procedures and Performance Criteria to Improve Compatibility in Cars Frontal Collisions SAE 2001
- Edward, M. et al. Development of Test Procedure and Performance Criteria to Improve Compatibility in Car Frontal Collisions ESV 2003