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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 104
Edited by: J. Pombo
Paper 36

Modeling of Aerodynamic Loads on Infrastructure Elements for High Speed Trains

S.M. Kaplunov1, B.N. Chetverushkin2, S.I. Doubinskiy3, N.G. Valles1 and E.A. Dronova1

1A. Blagonravov Institute for Machine Science, Russian Academy of Sciences, Moscow, Russia
2Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Moscow, Russia
3Moscow State University of Civil Engineering, Russia

Full Bibliographic Reference for this paper
S.M. Kaplunov, B.N. Chetverushkin, S.I. Doubinskiy, N.G. Valles, E.A. Dronova, "Modeling of Aerodynamic Loads on Infrastructure Elements for High Speed Trains", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 36, 2014. doi:10.4203/ccp.104.36
Keywords: separated flow, aerodynamic forces, bluff structures, discrete vortexes method, combined approach, numerical experiment, periodic vortex shedding.

This paper is devoted to the creation of mathematical models for the most dangerous oscillation excitation for tubes and cylindrical form bluff structures in liquid or gas cross flow, as well as for the creation of efficient computational methods for the description of these models. For modeling of aerodynamic loads on elements of the infrastructure (such as station construction, pedestrian crossings, bridges and tunnels) for the passage of high speed trains, an original combined method was applied. The method enables research on the aerodynamic loads applied to bodies that make arbitrary movements and to solve problems of body motion under aerodynamic forces.

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