A 3D tire-soil FEA model was established based on software ABAQUS specifying 175R14 tire and soil interaction. The static-steady tire-soil model is analyzed for studies on the stress, strain and deformation of tire and soil under a certain sinkage taking into the consideration of tire structure and soil constitution. It also obtains the relationship between load and contact pressure which will be helpful for the further tire-soil study under serious condition.
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