3D finite element model to simulate the rolling resistance of a radial ply tire validated by experiments in soil bin testing facility

Hojjat Jafari

Abstract


The present study adopts finite element method (FEM) for the simulation of soil-wheel interaction and analyzing the effects of tire inflation pressure, wheel load and velocity on rolling resistance. The Drucker–Prager/Cap model implemented in ABAQUS/Explicit environment was used to model the elastic–plastic parameters of the soil behavior where the pneumatic tire was modeled using finite strain hyper-elastic material model. Large mesh distortions and contact problems can occur due to the large deformations such that a convergent solution cannot be achieved. A new Coupled Eulerian–‌Lagrangian (CEL) method was used to describe soil–wheel interaction to overcome this drawback. Experimental tests were carried out in a soil bin facility using single-wheel tester as affected by five levels of wheel load, three levels of tire inflation pressure and three levels of velocity. The model showed that rolling resistance increases by the increment of wheel load and decrement of tire inflation pressure. However, velocity has no significant effect on rolling resistance. The results of FEM indicated promising fitness to the experimental values whilst the predicted results can be used for analytical deterministic and stochastic simulation of soil–wheel interaction. 


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References


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