A Problematic Approach to the Effects of Cross-Winds on Rolling Stock
Carrarini, A. (2004) A Problematic Approach to the Effects of Cross-Winds on Rolling Stock. In: ECCOMAS 2004. 4th European Congress on Computational Methods in Applied Sciences and Engineering, 2004-07-24 - 2004-07-28, Finland.
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Strong cross-winds can be a source of critical loads on rolling stock, especially for modern lightweight high-speed trains. In this paper some topics of the risk analysis for the cross-wind stability of railway vehicles are discussed. The main tool used to this aim is multibody simulation. The most important input for it must be delivered by an aerodynamic model of the vehicle and of the operating environment. The fact that the parameters in the aerodynamic model can not be detected with sufficient accuracy or can undergo large fluctuations will be focused. This parametric uncertainty is neglected or not properly covered by the conventional risk analysis, which is mainly deterministic. A probabilistic approach, which can address the question more efficiently, is outlined, discussed and presented on a test case.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||A Problematic Approach to the Effects of Cross-Winds on Rolling Stock|
|Journal or Publication Title:||ECCOMAS 2004|
|Keywords:||cross-wind stability, railway vehicles, multibody dynamics, parametric uncertainty, reliability|
|Event Title:||4th European Congress on Computational Methods in Applied Sciences and Engineering|
|Event Type:||international Conference|
|Event Dates:||2004-07-24 - 2004-07-28|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L AR - Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Flexible Aircraft (old)|
|Institutes and Institutions:||Institute of Robotics and Mechatronics > System Dynamics and Control (former Control Design Engineering)|
|Deposited By:||Monika Klauer|
|Deposited On:||28 Aug 2007|
|Last Modified:||12 Mar 2010 14:01|
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