Simulations of Tire Cornering Properties in Non-Steady State Conditions

Paper #:
  • 980254

Published:
  • 1998-02-01
Citation:
Liu, Q. and Guo, K., "Simulations of Tire Cornering Properties in Non-Steady State Conditions," SAE Technical Paper 980254, 1998, https://doi.org/10.4271/980254.
Pages:
9
Abstract:
Simulations of tire cornering properties with small-amplitude lateral inputs are carried out in non-steady state conditions. The simulation algorithm is derived and the discrete expressions are presented in detail. Based on the simulations, lateral force and aligning moment can be calculated numerically with time-varying yaw angle and lateral displacement as inputs in spatial domain. The flexibility of both tread and carcass along with tire width is taken into account effectively in the simulations, in which the flexibility of carcass includes translating, bending and twisting flexibility. The simulations in non-dimensional form are associated with four tire structure parameters only, which are non-dimensional parameters reflecting the characteristics of tire stiffness, tire width and contact length. Simulation results are validated by test data from step lateral inputs tests. Several typical simulation results are provided. The expressions for simulation and simulation data can be applied to vehicle dynamics simulation and analysis.
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