Prediction of Tire Profile Wear by Steady-State FEM
| Autor: | R. H. Kennedy, K. R. Smith, S. B. Knisley |
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| Rok vydání: | 2008 |
| Předmět: | |
| Zdroj: | Tire Science and Technology. 36:290-303 |
| ISSN: | 1945-5852 0090-8657 |
| DOI: | 10.2346/1.2999703 |
| Popis: | Much research is being done in the tire industry in order to reduce tire development time as well as cost. One such field of particular importance is that of tread wear, where testing time for indoor tests is measured in days, compared to weeks for outdoor tests. Development time could be further reduced if a “virtual wear test” could be performed using a finite element approach to predict friction energy. The purpose of this study is to investigate the link between indoor tread wear profile and steady-state finite element prediction of friction energy. Blank grooved tires of a common construction with three different tread compounds are run through indoor wear tests of different severities to study severity versus compound interaction. The drive files provide a mix of low-speed cornering maneuvers that simulate city driving as well as highway speed steady-state rolling with acceleration and braking events. One drive file places more emphasis on the city maneuvers while the other places emphasis on the highway driving. Using the steady-state finite element model, a composite friction energy is calculated from friction energy predictions at selected loading conditions taken from the drive file events. The composite friction energy profile is finally compared to laser measurements of the worn tire profile to examine the feasibility of a “virtual wear test.” |
| Databáze: | OpenAIRE |
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