ABSTRACT

This chapter suggests model and considers the tyre as a two-layer structure, representing the belt and the tread. Tyres have a complex internal structure consisting of different layers of steel rubber and cord. When modelling the vibrational response of tyres it is not feasible to take into account these details, especially when interesting in frequencies up to 3 kHz. The material properties of these two layers are determined by experimental means. Measurements of driving point and transfer mobilities were carried out and global material. The model is applied to calculate the forced vibration response of the tyre by applying an excitation to the top surface of the tread layer. In the 3-D tyre model based on two coupled orthotropic elastic layers, the belt layer that has complex internal structure is represented as homogeneous and orthotropic layer.