Tire Model RMOD-K 7 and Misuse Load Cases

Ch. Oertel; A. Fandre

doi:10.4271/2009-01-0582

2009-04-20

Tire Model RMOD-K 7 and Misuse Load Cases 2009-01-0582

Among load cases concerning vehicle suspension strength and durability, the misuse case is very special because of large obstacles. In this paper, an extension of the flexible belt model RMOD-K 7 concerning misuse situations is discussed. In normal rolling conditions, contact occurs between tire and road surface. To handle misuse deformations, the contact between the inner surface of the tire and the rim has to be dealt with. Results of the validation process are shown, leading to normal forces up to 70 [kN]. The model can be used together with mbs full vehicle models. One example is the determination of the critical test velocity, which generates the maximum of suspension stresses and can be found using RMOD-K 7.

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Tire Model RMOD-K 7 and Misuse Load Cases 2009-01-0582

SAE MOBILUS