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A Comparison Between NHTSA Crash Test Data and CRASH3 Frontal Stiffness Coefficients
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1990 by SAE International in United States
Annotation ability available
The appropriateness of the set of eight frontal stiffness coefficients used by the CRASH3 program to estimate vehicle deformation energy (and to subsequently derive estimates of vehicle delta-V) is examined. This examination consists of constructing so-called CRASH energy plots based on 402 frontal fixed barrier impact tests contained in the NHTSA's Vehicle Test Center Data Base (VTCDB) digital tape file. It is concluded that the use of category coefficients within the CRASH3 program can result in large delta-V errors, reaffirming the inappropriateness of this program for use in individual accident reconstructions. The use of the CRASH3 category stiffness coefficients is seen to generally overestimate vehicle energy absorption for vehicles with small amounts of frontal crush and to underestimate vehicle energy absorption for vehicles sustaining large crush. Comparisons among the stiffnesses of different size vehicles indicates little or no dependence of stiffness on vehicle size and it appears that the current set of eight frontal stiffness coefficients could, for statistical purposes, be reduced to two - a set applicable to passenger cars and a second set for light trucks and vans.
CitationStrother, C., Woolley, R., and James, M., "A Comparison Between NHTSA Crash Test Data and CRASH3 Frontal Stiffness Coefficients," SAE Technical Paper 900101, 1990, https://doi.org/10.4271/900101.
Accident Reconstruction-Human, Vehicle and Environmental Factors
Number: SP-0814 ; Published: 1990-02-01
Number: SP-0814 ; Published: 1990-02-01
- NHTSA “CRASH3 User's Guide and Technical Manual” U.S. Department of Transportation, National Highway Traffic Safety Administration, National Center for Statistics and Analysis, Accident Investigation Division, Washington, D.C. 20590.
- Strother, C., Woolley R., James M., and Warner C., “Crush Energy in Accident Reconstruction”, SAE Paper 860371, February 1986.
- Nash, C., Oral Comments before the 1985 Volvo Workshop on Frontal Crash Reconstruction. Washington D.C., October 1985.
- McHenry, R., Oral Comments before the 1988 Workshop on Accident Reconstruction. Atlanta, GA, October 1888.
- McHenry, R., “Users Manual for the CRASH Computer Program.” Calspan Corporation Report No. ZQ- 5708-V-3, January 1976.
- Woolley, R., Warner C., and Tagg M., “Inaccuracies in the CRASH3 Program”, SAE Paper 850255, February 1985.
- Gimotty, P., Campbell K., Chirachavala T., Carsten O., and O'Day J., “Statistical Analysis of the National Crash Severity Study Data” Ann Arbor, Michigan, Highway Safety Research Institute, NHTSA, August 1980.
- Lunn, E., Brick M., Meyer E., Roberts V., Hedlund J., Fell J., Parson G., and Smith R., “The National Accident Sampling System: A Status Report. Vol. III, Implementation of NASS Subsystems”, NHTSA Report DOT-HS-804-029, December 1978.
- Campbell, K., “Energy as a Basis for Accident Severity -- A Preliminary Study.” The University of Wisconsin, PhD Thesis, Engineering - Automotive, June 1972.
- Campbell, K., “Energy as a Basis for Collision Severity”, SAE Paper 740565, 1974.
- McHenry, R., “Yielding Barrier Test Data Base - Refinement of Damage Data Tables in the CRASH Program.” Calspan Corporation Report No. ZR-5954-V-1, February 1977.
- Volvo Corporation, Volvo Workshop on Frontal Crash Reconstruction. Washington D.C., October 1985.
- Kanianthra, J., A Computer-Generated Listing of NHTSA Crash Test Conditions and Results. Distributed 1984.
- Hargens, R. and Day T., “Vehicle Data Sources for Accident Reconstruction”, SAE Paper 880070, February 1988.
- Corner, A., “NHTSA Data Tape Reference Guide. Vol. I - Vehicle Crash Tests (V2)”. Prepared for the Office of Vehicle Research, National Highway Traffic Safety Administration, U.S. Department of Transportation by Automated Sciences Group Inc., August 1985.
- Warner, C., Allsop D., and Germane G., “A Repeated-Crash Test Technique for Assessment of Structural Impact Behavior”, SAE Paper 860208, February 1986.