Is Higher Torsional Stiffness of the Vehicle Body Equivalent to Being Harder?

1 Answers
Hadley
07/30/25 2:58am
Automotive components' resistance to deformation, the proportional coefficient between beam load and displacement, generally refers to the torsional stiffness of the vehicle frame. Higher torsional stiffness indicates greater rigidity, which is related to the vehicle model, grade, wheelbase, weight, maximum speed, and manufacturing processes. Starting from the high-proportion torsional usage environment of off-road vehicles, this analysis first examines the torsional deformation of the entire vehicle, suspension, frame, and body. It then explores the matching concepts and methods for suspension, frame, and body (cabin) torsional stiffness to maximize average driving speed, ensuring passenger comfort and performance from the perspectives of off-road capability, reliability, and lightweight design.
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