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Performance of leaf spring suspended axles in model approaches of different complexities

  • Axles with leaf spring suspension systems are still a popular choice in many commercial vehicles. However, leaf springs are not in perfect conformity to standard multibody vehicle models because they combine guidance and suspension in one single element. Combining standard multibody vehicle models with sophisticated finite element leaf spring models results in rather complex and computing time-consuming solutions. Purely kinematic models, defined by lookup tables or the design kinematics approach, cover only some but not all features of the leaf spring suspension. As shown here, the five-link model, which incorporates a quasi-static solution of the leaf spring compliance, provides a very practical model. It is comparatively lean and provides results of sufficient accuracy in the whole application range.

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Metadaten
Author:Georg RillORCiDGND, Florian Bauer, Edin Topcagic
DOI:https://doi.org/10.1080/00423114.2021.1928249
Parent Title (English):Vehicle System Dynamics
Publisher:Taylor&Francis
Document Type:Article
Language:English
Year of first Publication:2021
Release Date:2022/01/27
Tag:Leaf spring suspension; beam-model; commercial vehicles; design kinematics; five-Link model; vehicle dynamics
Volume:60
Issue:8
First Page:2871
Last Page:2889
Institutes:Fakultät Maschinenbau
Begutachtungsstatus:peer-reviewed
Publication:Externe Publikationen
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG