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Modeling of an Elastic Wheelset in a Multibody Environment

van der Linden, Frans (2007) Modeling of an Elastic Wheelset in a Multibody Environment. Diploma. DLR-Interner Bericht. DLR-IB 515-07-25.

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Abstract

Modelling the wheelsets of a train elastically opens up possibilities to predict wear, do acoustic calculations and predict the behaviour of a train at high velocities. Including an elastic wheelset in an existing multi body code with the normal Lagrangian approach however introduces problems since the rotation of the wheelset makes it very difficult to model the rail-wheel interface. Different ways to describe an elastic wheelset are introduced. From these description ways the Arbitrary Lagrangrian Eulerian (ALE) description is suited very well since it can overcome the problems introduced by a Largrangian approach. A way to generate the flux terms of the ALE description directly from the standard input date of flexible elements is presented. Moreover a method to implement the ALE description in SIMPACK or Modellica is provided.

Document Type:Monograph (DLR-Interner Bericht, Diploma)
Title:Modeling of an Elastic Wheelset in a Multibody Environment
Authors:
AuthorsInstitution or Email of Authors
van der Linden, FransUNSPECIFIED
Date:2007
Status:Published
Keywords:Flexible multi body dynamics, Arbitrary Eulerian Largrangian description, ALE, AEL, Rotor dynamics
Institution:Delft University of Technology
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Transport
HGF - Program Themes:other
DLR - Research area:Transport
DLR - Program:V - no assignement
DLR - Research theme (Project):V -- no assignement
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics > System Dynamics and Control (former Control Design Engineering)
Deposited By: Monika Klauer
Deposited On:12 Sep 2007
Last Modified:27 Apr 2009 14:21

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