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Keywords: railway, switch and crossing, finite element analysis, run-through, Abaqus Explicit, rail clamp point locking system.

Summary

This paper details the methodology followed to carry out a full finite element analysis using ABAQUS/Explicit, of a CVS 9.25 turnout to the left being locked by a rail clamp point locking system. To this end, a comprehensive three-dimensional CAD model of the switch and point operating equipment was created, which included the modelling of the switch rails, stock rails, stretcher bars, supplementary drive system and all the different parts that make up the rail clamp point locking system. The three-dimensional modelling procedure for the different parts is specified. Constraints and boundary conditions to best simulate the relative movement of the different parts of the switch are also detailed. The creation of such a switch and the finite element methodology described in this paper set the starting point for different types of tests to be carried out, such as the possibility to study the physical performance of the turnout when the points are thrown. Taking into account the vast number of parts that were modelled and the complex geometry of some of them, measures had to be taken to reduce the impracticable computational time. In this manner, some parts were simplified, rigid bodies were defined and a structured hexahedral mesh was used. After all these simplifications the drive force test was carried out with results briefly presented here and validated using real experimental data.

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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: 105 PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON ENGINEERING COMPUTATIONAL TECHNOLOGY Edited by: Paper 2 Finite Element Methodology for Railway Switch Simulation H. Hemida¹, E. Stewart² and C. Roberts² ¹School of Civil Engineering, University of Birmingham, United Kingdom ²School of Electronic, Electrical and Computer Engineering, University of Birmingham, United Kingdom doi:10.4203/ccp.105.2 purchase the full-text of this paper Full Bibliographic Reference for this paper H. Hemida, E. Stewart, C. Roberts, "Finite Element Methodology for Railway Switch Simulation", in , (Editors), "Proceedings of the Ninth International Conference on Engineering Computational Technology", Civil-Comp Press, Stirlingshire, UK, Paper 2, 2014. doi:10.4203/ccp.105.2 Keywords: railway, switch and crossing, finite element analysis, run-through, Abaqus Explicit, rail clamp point locking system. Summary This paper details the methodology followed to carry out a full finite element analysis using ABAQUS/Explicit, of a CVS 9.25 turnout to the left being locked by a rail clamp point locking system. To this end, a comprehensive three-dimensional CAD model of the switch and point operating equipment was created, which included the modelling of the switch rails, stock rails, stretcher bars, supplementary drive system and all the different parts that make up the rail clamp point locking system. The three-dimensional modelling procedure for the different parts is specified. Constraints and boundary conditions to best simulate the relative movement of the different parts of the switch are also detailed. The creation of such a switch and the finite element methodology described in this paper set the starting point for different types of tests to be carried out, such as the possibility to study the physical performance of the turnout when the points are thrown. Taking into account the vast number of parts that were modelled and the complex geometry of some of them, measures had to be taken to reduce the impracticable computational time. In this manner, some parts were simplified, rigid bodies were defined and a structured hexahedral mesh was used. After all these simplifications the drive force test was carried out with results briefly presented here and validated using real experimental data. purchase the full-text of this paper (price £20) 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 £45 +P&P)
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