In order to study the grounding mechanical properties of tires in some hydroplaning states, this paper adopts a finite element simulation analysis method to solve the problem of research on the grounding mechanical properties of tires in some water-slip states. By analyzing the influence of vehicle speed, inflation pressure and vertical load on the vertical stress distribution of tires, the vertical stress distribution function in the hydroplaning state was fitted in segments, and a longitudinal force model in the tire hydroplaning was established. The calculation results show that the model can accurately describe the mechanical properties of the tire in the hydroplaning condition. This result provides a reference for studying the performance of tires on slippery roads and is of great significance to improving the driving safety of vehicles in severe weather such as rainy days.
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