The out fairing is an important part of the end connection of high-speed train.This paper investi-gates the aerodynamic performance of the out fairing on the new generation high-speed train.By employing a computational fluid-structure interaction method,the study conducts an analysis of the stress and displacement under aerodynamic loads for different sidewall width rubber out fairing designs.The simulation results are com-pared to evaluate the flow field and dynamic response characteristics of different fairing structures,as well as the aerodynamic performance of the various structural schemes.
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