Application of analytical and finite element method in tyre-soil modelling
by Hao Li; Christian Schindler
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 19, No. 4, 2012

Abstract: This paper describes the development of tyre-soil interaction models to investigate the dynamic behaviour of a tyre rolling on soil. An analytical tyre-soil model is integrated into a Multiple Body System (MBS) software interface with the application of corresponding subroutines. It is flexible enough to define the properties of different tyres and soils such as tyre stiffness and dimensions of soil ground in the respective property files. The Finite Element Method (FEM) is used to compare the respective forces and velocities in the SAE tyre coordinate system under different combined conditions of loads and sinkages. The relations between soil sinkage, velocity, vertical load, drawbar pull and slip ratio are analysed based on the simulation results.

Online publication date: Sat, 20-Dec-2014

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