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The application of dimensional analysis in the design of sliding bearing

In this paper, a mathematical model for describing the stress and structural parameters of sliding bearing is established by dimensional analysis. First of all, a mathematical model is established, and the relevant parameters in the model are determined by orthogonal experiment. Then, the verification group is set up to verify the mathematical model. The results show that the model established by this method is accurate and reliable. The stress of sliding bearing is calculated using Ansys in different grid number, and the computing time is compared with the calculating time using the model mentioned above. The results show that using dimensional analysis method to build mathematical model can greatly shorten the calculating time. Therefore this method can be extended to the other bearing parameters calculation, which will greatly improve the design efficiency of sliding bearing.