Compliance Analysis
The compliance of the bushings, the body, and other parts modify the behaviour of the suspension. In general it is difficult improve the kinematics of a suspension using the bushings, but one example where it does work is the toe control bush used in Twist-beam rear suspensions. More generally, modern cars suspensions include an NVH bush. This is designed as the main path for the vibrations and forces that cause road noise and impact noise, and is supposed to be tunable without affecting the kinematics too much;
Read more about this topic: Automotive Suspension Design
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