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Crash test data usually have a comparatively large deviation because of the complexity of the tests. However, only limited numbers of crash tests are conducted to assess the safety performance of a vehicle due to monetary and time limitation. Thus, it is necessary to have consistent crash test results to assess the safety performance of a vehicle under development and to control factors which cause the variation in the test data. In this study, a MADYMO model was validated deterministically and stochastically to result in similar head, chest, pelvis deceleration pulses, belt load pulses, the mean and standard deviation values of HIC₁? and 3 msec clip to those from tests. By reducing the standard deviation of major factors which might cause the variation in the injury numbers, the reduced standard deviation of the injury numbers could be determined by conducting a stochastic analysis using the validated MADYMO model. The sensitivity of the standard deviation of the injury numbers to that of the major factors was calculated in order to find out the major factors which may cause the variation of the injury numbers the most. The sensitivity of the injury numbers implies that the variation in the air bag permeability and the critical load of the loadlimiter should be well controlled in order to reduce the variation in HIC15 and 3 msec clip, respectively.

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Abstract
1. INTRODUCTION
2. MADYMO Model Validation
3. Stochastic Analysis
4. CONCLUSION
References

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UCI(KEPA) : I410-ECN-0101-2009-556-016822211