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International Journal of Automotive Technology > Volume 13(6); 2012 > Article
International Journal of Automotive Technology 2012;13(6): 923-932.
doi: https://doi.org/10.1007/s12239-012-0093-5
SIMULATION OF THE VERTICAL BENDING FATIGUE TEST OF A FIVE-LINK REAR AXLE HOUSING
X. WANG1, W. XU1, Y. HUANG2, M. ZHONG2, H. FAN2
1Tsinghua University
2SAIC GM Wuling Automobile Co.
ABSTRACT
This study seeks a practical method for simulating the vertical bending fatigue test of the BANJO housing of a five-link rear axle. Linear static and transient dynamic finite element models are constructed for the rear axle in which the rubber bushings and the bearings of the axle shafts are reasonably modeled with solid and shell elements, respectively, for simplicity. The calculated results are compared with the measured strain histories, and the results indicate that the finite element models constructed are reasonable. The hypothesis of equal fatigue damage is applied to determine the Hainan proving ground driving life prediction that is equivalent to the constant amplitude fatigue life in the vertical bending fatigue test.
Key Words: Automotive design, Fatigue testing, Finite element analysis, Fatigue life, Life prediction
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