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Archive of Mechanical Engineering

The Journal of Committee on Machine Building of Polish Academy of Sciences

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CiteScore 2016: 0.44

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2300-1895
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Volume 62, Issue 3

Issues

Dynamics of the Monorail Train Subjected to the Braking on a Straight Guideway Bridge

Meysam Naeimi / Meisam Tatari / Amin Esmaeilzadeh
Published Online: 2015-11-18 | DOI: https://doi.org/10.1515/meceng-2015-0021

Abstract

A finite element (FE) model of the straight guideway bridge under monorail train has been built in this research in order to investigate dynamic interactions of the coupled system in the vertical and longitudinal direction. A limited length of the straddle monorail bridge including five continuous spans is modeled in three dimensions by using FE method. A 3D model of the monorail train system, built in the multibody analyzer MSC ADAMS, is assembled over the bridge. The entire model, consisting of the vehicle and bridge subsystems, is numerically analyzed by performing dynamic simulation in time domain. The braking forces between the train tires and guideway beams are activated in the analysis, in addition to the dead weights of the components and the train live loads. Dynamic forces in the tires are obtained for the case of the emergency braking in the system. The reaction forces, appeared in the bridge piers, are reported as the input forces for the purpose of the bridge design.

Streszczenie

W pracy zastosowano metodę elementów skończonych do modelowania prostego odcinka prowadnicy mostu kolei jednoszynowej w celu badania oddziaływań dynamicznych, wzdłużnych i pionowych, występujących w systemie. Modelowano skok mostu kolei jednoszynowej, o ograniczonej długości, zawierający pięć odcinków ciągłych. Do badania systemu pociągu jednoszynowego zastosowano model 3D, realizowany w oprogramowaniu MCS ADAMS przeznaczonym do analizy systemu wielu ciał metodą elementów skończonych. Cały model, składający się z modelu pojazdu i podsystemów mostu, jest analizowany numerycznie drogą symulacji dynamicznej w dziedzinie czasu. W czasie analizy są aktywowane siły hamowania występujące pomiędzy oponami pociągu i belkami prowadnicy. Uwzględniono ciężar własny składników konstrukcji i ciężar użytkowy - pasażerów pociągu. Wyznaczono siły dynamiczne w oponach dla przypadku hamowania awaryjnego. Wyznaczono także siły reakcji w filarach mostu, które stanowią dane wejściowe dla celów projektowania mostu.

Keywords: monorail; dynamics; braking; straight track; bridge

References

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About the article

Received: 2013-10-07

Accepted: 2015-07-21

Published Online: 2015-11-18

Published in Print: 2015-09-01


Citation Information: Archive of Mechanical Engineering, Volume 62, Issue 3, Pages 363–376, ISSN (Online) 2300-1895, DOI: https://doi.org/10.1515/meceng-2015-0021.

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© by Meysam Naeimi. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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