Search for dissertations about: "Railway vehicle dynamics"
Showing result 21 - 25 of 31 swedish dissertations containing the words Railway vehicle dynamics.
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21. Rail Corrugation Growth on Curves
Abstract : Short-pitch rail corrugation that may develop on the low (inner) rail on small radius curves causes increased noise and vibration levels on railway networks worldwide. In lack of a generally applicable treatment, track authorities are forced to run expensive rail grinding programs on a regular basis to manage these problems. READ MORE
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22. Engineering model for curve squeal formulated in the time domain
Abstract : Curve squeal is a type of railway noise that may arise when a railway vehicle negotiates a relatively tight curve. Squeal is common in curves of a radius lower than 200 meters. A single frequency dominates the radiated sound, which makes squeal a very tonal noise. READ MORE
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23. Modelling and laboratory investigations on freight wagon link suspensions with respect to vehicle-track dynamic interaction
Abstract : The link suspension is the most prevailing suspension system for freight wagons in central and western Europe. The system design is simple and has existed for more than 100 years. However, still its characteristics are not fully understood. READ MORE
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24. Computational Railway Dynamics - Integrated Train - Track - Subgrade Modeling and Simulations
Abstract : The primary objective of the thesis has been to extend the capabilities for computational modeling, prediction and simulation of the elastic response of the train, track structure and soil in railway systems. The industrial background is the high level of ground borne vibrations reported from citizens as a consequence of train traffic (in particular from high speed trains) in several Swedish locations. READ MORE
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25. Simulation of track settlement in railway turnouts-An iterative approach
Abstract : In this thesis, a methodology for simulation of track settlement in railway turnouts (switches andcrossings, S&C) is presented. The methodology predicts the accumulated settlement for a given setof traffic loads using an iterative and cross-disciplinary procedure. READ MORE