Int. J. Simul. Multidisci. Des. Optim.
Volume 3, Number 3, July 2009
|Page(s)||411 - 416|
|Published online||21 October 2009|
Multi-Body Simulation and Multi-Objective Optimization Applied to Vehicle Dynamics
EnginSoft S.p.A., Via Giambellino 7, 35129, Padova, Italy
Corresponding author: firstname.lastname@example.org
Accepted: 14 August 2009
This paper describes a demo application, where modeFRONTIER, a commercial software for design optimization, is coupled with a parametric 2D Multi-Body model of a touring motorcycle. The optimizer is asked to identify the characteristics of the front suspension (telelever scheme) that deliver more safety, more stability, and more riding comfort for a braking maneuver in straight running. All objectives are described through 4 scalar indexes, extracted from the braking kinematics. As expected, results highlight that trade-off relationships connect the objectives. Only 13, among the 1900 tested configura-tions, are able to simultaneously improve the 4 indexes. Moreover, no design in this selection assures a decisive improvement of the stability. In order to accomplish this priority requirement, the best design is chosen accepting a slight reduction of stabil-ity.
Key words: Motorcycle Optimization / Braking Maneuver / Telelever / Multi-Objective Optimization / Design Optimization
© ASMDO, 2009
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