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, "A Numerical Approach of the Train-Track Interaction along Discontinuous Tracks", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 274, 2016. doi:10.4203/ccp.110.274

Keywords: train-track interaction, coupled FE-SBFE model, finite element method, scaled boundary finite element method, .

Summary

This paper presents a three dimensional numerical model which is can be used to investigate the effects on the track and in its vicinity due to a train passage. The numerical model for train track interaction is based on a time domain dynamic finite element model. Due to the unbounded nature of the soil the truncated boundary of the finite element domain is modelled with the scaled boundary finite element method, which is a semi-analytical approach. The application for a heterogeneous track along the track line is exemplified by a track with a bridge structure, where close attention is paid to the wheel-rail contact force. The results indicate that the wheel-rail contact force is not symmetrical around the bridge structure and an optimisation in terms of a backfilling area and under-sleeper-pads can improve such a transition.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 110 PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 274 A Numerical Approach of the Train-Track Interaction along Discontinuous Tracks J. Bronsert and M. Baeßler BAM, Federal Institute for Materials Research and Testing, Berlin, Germany doi:10.4203/ccp.110.274 purchase the full-text of this paper Full Bibliographic Reference for this paper , "A Numerical Approach of the Train-Track Interaction along Discontinuous Tracks", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 274, 2016. doi:10.4203/ccp.110.274 Keywords: train-track interaction, coupled FE-SBFE model, finite element method, scaled boundary finite element method, . Summary This paper presents a three dimensional numerical model which is can be used to investigate the effects on the track and in its vicinity due to a train passage. The numerical model for train track interaction is based on a time domain dynamic finite element model. Due to the unbounded nature of the soil the truncated boundary of the finite element domain is modelled with the scaled boundary finite element method, which is a semi-analytical approach. The application for a heterogeneous track along the track line is exemplified by a track with a bridge structure, where close attention is paid to the wheel-rail contact force. The results indicate that the wheel-rail contact force is not symmetrical around the bridge structure and an optimisation in terms of a backfilling area and under-sleeper-pads can improve such a transition. purchase the full-text of this paper (price £22) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £85 +P&P)
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