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Aerodynamic loads on buses due to crosswind gusts: extended analysis
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Vehicle Dynamics. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0001-8928-0368
KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.
2010 (English)In: Vehicle System Dynamics, ISSN 0042-3114, Vol. 48, 287-297 p.Article in journal (Refereed) Published
Abstract [en]

The objective of this work is to use inverse simulations on measured vehicle data in order to estimate the aerodynamic loads on a bus when exposed to crosswind situations. Tyre forces, driver input, wind velocity and vehicle response were measured on a typical coach when subjected to natural crosswind gusts. Based on these measurements and a detailed MBS vehicle model, the aerodynamic loads were estimated through inverse simulations. In order to estimate the lift force, roll and pitch moments in addition to the lateral force and yaw moment, the simulation model was extended by also incorporating the estimation of the vertical road disturbances. The proposed method enables the estimation of aerodynamic loads due to crosswind gusts without using a full scale wind tunnel adapted for crosswind excitation.

Place, publisher, year, edition, pages
2010. Vol. 48, 287-297 p.
Keyword [en]
bus, crosswind, inverse simulation, aerodynamic load
National Category
Vehicle Engineering
URN: urn:nbn:se:kth:diva-27652DOI: 10.1080/00423111003739814ISI: 000284639100018ScopusID: 2-s2.0-78649732446OAI: diva2:381105
QC 20101223Available from: 2010-12-23 Created: 2010-12-20 Last updated: 2012-03-20Bibliographically approved

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