Development of a Refined Quarter Car Model for the Analysis of Discomfort due to Vibration

<table>Effective damping coefficient variation as a function of the suspension damping coefficient and the series stiffness (<svg height="2.075" id="M53" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 19.450001 2.075" width="19.450001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,0,0,-.017,.062,1.813)"><path d="M160 -12q-24 0 -39.5 16t-15.5 42q0 24 16 40.5t40 16.5t40 -16.5t16 -40.5q0 -26 -16 -42t-41 -16zM485 -12q-24 0 -39.5 16t-15.5 42q0 24 16 40.5t40 16.5t40 -16.5t16 -40.5q0 -26 -16 -42t-41 -16zM806 -12q-24 0 -39.5 16t-15.5 42q0 24 16 40.5t40 16.5t40 -16.5
t16 -40.5q0 -26 -15.5 -42t-41.5 -16z" id="x2026"></path></g>
</svg>): approximate effective damping coefficient for the hub mode with frequency 15 Hz. Other lines are exact calculations based on the natural frequencies.</table>

Advances in Acoustics and Vibration

fig8

Figure 8

Figure 8: Development of a Refined Quarter Car Model for the Analysis of Discomfort due to Vibration 