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H. Dai, Z. Li, Z. Li, "Study on Train Derailment Mechanism Based on Catastrophe Theory", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 162, 2014. doi:10.4203/ccp.104.162

Keywords: catastrophe theory, derailment coefficient, angle of attack, derailment.

Summary

In this paper, two factors: the derailment coefficient and the angle of attack, which would impact on the derailment of train, have been considered comprehensively. Based on catastrophe theory, the cusp catastrophe model of the derailment accident is established. Combined with the cusp catastrophe model, the two kinds of situations in which the cusp catastrophe would occur has been discussed. With the help of the catastrophe model, the bifurcation set of the model gives the hazardous area of the train derailment. By using Simpack software, the vehicle dynamics model is set up to verify the validity of the method. The results of the simulation show that along with the increase of attack angle, the hazardous zone is increased; increasing the risk of the derailment.

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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: 104 PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 162 Study on Train Derailment Mechanism Based on Catastrophe Theory H. Dai, Z. Li and Z. Li Traction Power State Key Laboratory, Southwest Jiaotong University, China doi:10.4203/ccp.104.162 purchase the full-text of this paper Full Bibliographic Reference for this paper H. Dai, Z. Li, Z. Li, "Study on Train Derailment Mechanism Based on Catastrophe Theory", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 162, 2014. doi:10.4203/ccp.104.162 Keywords: catastrophe theory, derailment coefficient, angle of attack, derailment. Summary In this paper, two factors: the derailment coefficient and the angle of attack, which would impact on the derailment of train, have been considered comprehensively. Based on catastrophe theory, the cusp catastrophe model of the derailment accident is established. Combined with the cusp catastrophe model, the two kinds of situations in which the cusp catastrophe would occur has been discussed. With the help of the catastrophe model, the bifurcation set of the model gives the hazardous area of the train derailment. By using Simpack software, the vehicle dynamics model is set up to verify the validity of the method. The results of the simulation show that along with the increase of attack angle, the hazardous zone is increased; increasing the risk of the derailment. 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 £65 +P&P)
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