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A simple real-time aerodynamic model for vehicles in overtaking situations
Chalmers Tekniska Högskola. (Vehicle Dynamics)
Chalmers Tekniska Högskola.
Chalmers Tekniska Högskola. (Vehicle dynamics)
Chalmers Tekniska Högskola.
2013 (English)In: International Journal of Vehicle Systems Modelling and Testing, ISSN 1745-6436, Vol. 8, no 3, 241-259 p.Article in journal (Refereed) Published
Abstract [en]

Aerodynamic forces and moments play an important role inovertaking situations and affect the trajectory of the involved vehicles. One method of studying these effects and how the driver responds to these is via driving simulator studies. However, models that describe aerodynamic forces and moments are typically computationally complex and not suited for real time execution in driving simulators. The present work presents a simplified real time model of the moments and forces acting in an overtaking situation due to aerodynamic pressure imbalances. The model is compared with experimentally validated Navier-Stokes solutions. Despite the model’s simplicity, implemented as finite impulse response filters, it manages to capture the main features of the forces and moments. The approach used to derive the model is fairly general and might be used in similar applications where computational burden is a key issue.

Place, publisher, year, edition, pages
2013. Vol. 8, no 3, 241-259 p.
Keyword [en]
Aerodynamics, Driving (veh), Simulation
National Category
Vehicle Engineering Fluid Mechanics and Acoustics
Research subject
Road: Traffic engineering, Road: Traffic theory
Identifiers
URN: urn:nbn:se:vti:diva-6745DOI: 10.1504/IJVSMT.2013.056037OAI: oai:DiVA.org:vti-6745DiVA: diva2:690053
Funder
Chalmers Sustainable Transport Initiative, 40893
Available from: 2014-01-22 Created: 2014-01-22 Last updated: 2014-05-19Bibliographically approved

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Citation style
  • apa
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Language
  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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