Finite element analysis of automotive cushion discs

We are interested in an automotive waved cushion disc located in the clutch system, inside the clutch disc. After gearshift and during the clutch re-engagement, the cushion disc allows to transmit a progressive torque through its axial stiffness. In order to optimize the correlation between numerical and experimental results, we propose to perform a finite element model that allows us to predict the behavior of the cushion disc under axial load. In this purpose, we will study the influence of modeling parameters and geometrical variability on the load deflection characteristic curve of the disc.