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Sophisticated but quite simple contact calculation for handling tire models

  • Handling tire models like Pacejka (Tire and Vehicle Dynamics, 3rd edn., Elsevier, Amsterdam, 2012) or TMeasy (Rill in Proc. of the XV Int. Symp. on Dynamic Problems of Mechanics, Buzios, RJ, Brazil, 2013) consider the contact patch as one coherent plane. As a consequence, the irregularities of a rough road profile must be approximated by an appropriate local road plane that serves as an effective road plane in order to calculate the geometric contact point and the corresponding contact velocities. The Pacejka/SWIFT tire model employs a road enveloping model that generates the effective height and slope by elliptical cams. TMeasy just uses four representative road points for that purpose. In addition, TMeasy replaces the geometric contact point by the static contact point and shifts it finally to the dynamic contact point that represents the point where the contact forces are applied. In doing so, a rather sophisticated but still simple contact calculation is possible. Simulations obtained with a virtual tire test rig and fully nonlinear three-dimensional multibody system models of a motor-scooter and a passenger car demonstrate the potential of this contact approach.

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Metadaten
Author:Georg RillORCiDGND
DOI:https://doi.org/10.1007/s11044-018-9629-4
Parent Title (English):Multibody system dynamics
Publisher:Springer Nature
Document Type:Article
Language:English
Year of first Publication:2019
Creating Corporation:SPRINGER
Release Date:2022/02/03
Tag:Dynamic contact point; Effective road plane; Geometric contact point; Static contact point; TMeasy tire model; Tire road contact; Vehicle modeling
Volume:45
Issue:2
First Page:131
Last Page:153
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