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Multi-objective des...
Multi-objective design optimisation of transition zones between different railway track forms
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- Aggestam, Emil, 1992 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nielsen, Jens, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andersson, Andreas, 1980- (author)
- KTH,Bro- och stålbyggnad,Swedish Transport Administration, Solna, SE-171 54, Sweden,Trafikverket,The Swedish Transport Administration,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)
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- Li, M. (author)
- Trafikverket,The Swedish Transport Administration
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(creator_code:org_t)
- TU Delft, 2018
- 2018
- English.
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In: Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018. - : TU Delft. - 2590-0609. - 9789461869630 ; , s. 1-6
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Abstract
Subject headings
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- The vertical dynamic interaction between vehicle and railway track is simulated in the time domain using an extended state space vector approach. The track model includes a transition zone between slab track on a bridge and ballasted track on an embankment. By considering a multi-objective optimisation problem, solved using a genetic algorithm, selected vehicle and track responses are simultaneously minimised by optimising the distributions of rail pad stiffness and sleeper spacing in the transition zone. It is shown that the magnitudes of the maximum dynamic loads in the optimised transition zone can be reduced to be similar as the magnitudes far away from the transition zone.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Farkostteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Vehicle Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Keyword
- Genetic algorithm.
- Optimisation
- Railway track transitions
- Slab track
- Transition zone
- Vehicle-track interaction
Publication and Content Type
- ref (subject category)
- kon (subject category)
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