Semi-Opened Profiles for Twist-Beam Automotive Axles
In Chap. 11 analytical methods design and analysis of a rear twist beam axle in the concept design phase are reported. The twist-beam axle is a specific type of semi-solid suspensions. The twist-beam axles are commonly designed with the purpose of improving the vehicle dynamics performance, improving load carrying capacity, reducing weight and cost. The principal element of common twist-beam axle is the thin-walled twist beam. This beam behaves elastically, delivering certain roll rate for the vehicle, but must be sufficiently stiff for bending and guarantee the chamber and lateral stiffness of the vehicle. Insufficient camber and lateral stiffness cause oversteering of the vehicle, unacceptable from viewpoint of vehicle dynamics.
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