The fast-paced, iterative, vehicle design environment demands efficiency when simulating suspension loads. Towards that end, a computationally efficient, linear, planar, quasi-static tyre model is developed in this work that accurately predicts a tyre's lower frequency, reasonably large amplitude, nonlinear stiffness relationship. The axisymmetric, circumferentially isotropic, stiffness equation is discretised into segments, then parameterised by a single stiffness parameter and two shape parameters. The tyre's deformed shape is independent of the overall tyre stiffness and the forces acting on the tyre. Constraint modes capture enveloping and bridging properties and a recursive method yields the set of active constraints at the tyre–road interface. The nonlinear stiffness of a tyre is captured by enforcing unidirectional geometric boundary conditions. The model parameters are identified semi-empirically; simulated cleat test loads match experiments within 7% including nonlinear stiffness when simulating a flat plate test and a discontinuous stiffness when simulating a cleat test.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    A planar quasi-static constraint mode tyre model


    Additional title:

    <italic>Vehicle System Dynamics</italic>
    <italic>R. Ma</italic> et al.


    Contributors:

    Published in:

    Vehicle System Dynamics ; 53 , 12 ; 1759-1771


    Publication date :

    2015-12-02


    Size :

    13 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    A planar quasi-static constrained mode tyre model

    Ma,R. / Ferris,J.B. / Reid,A.A. et al. | Automotive engineering | 2015


    Admissible Shape Parameters for a Planar Quasi-Static Constraint Mode Tire Model

    Reid, Alexander A. / Gorsich, David J. / Ferris, John B. et al. | SAE Technical Papers | 2017


    Capturing Planar Tire Properties Using Static Constraint Modes

    R. Ma / A. A. Reid / J. B. Ferris | NTIS | 2012