Table 1: Values of stiffness and damping involved in this study.

Stiffness (N/mm)Damping (N⋅s/mm)
VerticalHorizontalLongitudinalVerticalHorizontalLongitudinal

Primary suspension
 Rubber bearings400040040000.020.020.24
 Primary dampers- -- -- -- -33- -
 Damper rubber joints700007500700001.660.181.66
 Rotary arm rubber joints160000180007600090.433.79
Secondary suspension11501741743729.4245