Analysis and prediction of tyre-soil interaction and performance using finite elements |
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| Authors: | R N Yong E A Fattah P Boonsinsuk |
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| Institution: | 1. William Scott Professor of Civil Engineering and Applied Mechanics; Director, Geotechnical Research Centre, McGill University, Montreal, Canada;2. Research Associate, Geotechnical Research Centre, McGill University, Montreal, Canada;3. Graduate Research Assistant, Department of Civil Engineering and Applied Mechanics, McGill University, Montreal, Canada |
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| Abstract: | The finite element method FEM] of analysis previously developed for prediction of rigid wheel-soil interaction is improved and extended to take into account (a) the effect of flexibility of tyre carcass where energy losses now occur in development of mobility, (b) a simpler requirement for specification of boundary condition using input loading, and (c) normal and tangential load stress from the tyre distributed across the tyre-soil interface and varying with slip. The comparisons of analytically computed (predicted) drawbar pull with actual experimentally obtained drawbar pull results for tests in three types of tyres show good correlations. The effect of inflation pressure on development of tyre deformation energy losses can be seen from the analytically computed values. |
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