Abstract
Based on ABAQUS, the strain and stress on the drive axle housing is obtained by the static analyses. Through the model analysis, the inherent frequencies and mode shapes of front 10 order modes are obtained respectively. According to damage accumulation theory and the rain-flow counting method, and the amplitudes and mean values of counted cycles can be determined. Fatigue analysis of automotive drive axle housing under the sine load spectrum are analyzed by applying ABAQUS/FE-SAFE software, and the overall fatigue life contours and distribution of hazardous area are obtained. Under the results of analysis, the improved design of automotive drive axle housing is made. Therefore, the new methods for improving life distribution and design of automotive drive axle housing are proposed in this paper.
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