Table 8 Cushion parameter values

From: A Comparison of Quarter, Half and Full Car Models for Predicting Vibration Attenuation of an Occupant in a Vehicle

Stiffness and damping coefficient Value
kl (N/m) 1.3615 × 104
kn-l (N/m) 2.8728 × 109
ccu (Ns/m) 243.63
zcu1 (m) 0.067