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Computer aided analysis becomes a powerful tool in developing new products such that the production cost can be saved and the design period is reduced. This paper describes the application of the finite element method to the three dimensional stress ana- lysis of aluminum wheels by using computer aided software ANSYS. The magnitudes and patterns of stress distribution are consistent with the results obtained from experiment. Moreover, the effect of reinforce stringer on the reduction of stress concentration has proved to be significant. Consequently, the refined model of the wheel structure is useful for weight-saving design.
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