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Leaf Spring

During driving the suspensions multi-leaf spring is a dynamically loaded component. The sliding friction interaction between each leaf is a relevant damping mechanism for the vehicle.

By utilizing MAMBA it is possible to model e.g.trunnion springs that reproduce the correct nonlinear static and dynamic characteristics. Measurements on a typical spring type proved the high accuracy and predictability of this model.

Finally the spring model was integrated into a full vehicle to facilitate ride and handling simulations with improved result quality.

Benefits

  • Accurate consideration of the interaction between the leafs of an e.g. trunnion spring
  • Improved dynamic full vehicle simulation
Leaf spring on test rig (background) and hysteresis curve obtained from test rig and simulation (foreground)

Leaf spring model utilized for a full vehicle simulation