High Speed Railway Track Dynamics: Models, Algorithms and by Xiaoyan Lei

By Xiaoyan Lei

This booklet systematically summarizes the newest study findings on high-speed railway song dynamics, made through the writer and his learn crew during the last decade. It explores state of the art concerns about the simple idea of high-speed railways, protecting the dynamic theories, types, algorithms and engineering functions of the high-speed teach and music coupling system.

Presenting unique ideas, systematic theories and complex algorithms, the publication locations nice emphasis at the precision and completeness of its content material. The chapters are interrelated but principally self-contained, permitting readers to both learn throughout the booklet as an entire or concentrate on particular themes. It additionally combines theories with perform to successfully introduce readers to the newest examine findings and advancements in high-speed railway tune dynamics. It bargains a worthy source for researchers, postgraduates and engineers within the fields of civil engineering, transportation, road & railway engineering.

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Additional info for High Speed Railway Track Dynamics: Models, Algorithms and Applications

Example text

J Sound Vib 317:236–249 68. National Standard of the People’s Republic of China (1985) Railway vehicle specification for evaluation the dynamic performance and accreditation Test (GB 5599-85). China Railway Publishing House, Beijing 69. Professional Standard of the People’s Republic of China (2007) Temporary regulation for Newly Built 300–350 km/h passenger dedicated line. Railway Construction No. 47. China Railway Publishing House, Beijing 36 1 Track Dynamics Research Contents and Related Standards 70.

Xiaoyan Lei (1994) Finite element analysis of wheel-rail interaction. J China Railway Soc 16 (1):8–17 31. Xiaoyan Lei (1997) Dynamic response of high-speed train on ballast. J China Railway Soc 19 (1):114–121 32. Xiaoyan Lei (1998) Research on parameters of dynamic analysis model for railway track. J Railway Eng Soc 2:71–76 33. Lei X (1998) Numerical analysis method of railway track structure. China Railway Publishing House, Beijing 34. Xu Z, Zhai W, Wang K, Wang Q (2003) Analysis of vehicle-track system vibration: comparison between Timoshenko beam and Euler beam track model.

2 Track Equivalent Stiffness and Track Foundation Elasticity Modulus The track equivalent stiffness k and the track foundation elasticity modulus Es are closely related. Vesic [7] worked out the relationship between the track equivalent stiffness modeled as Euler beam on semi-infinite domain and the track foundation elasticity modulus. On such basis, Heelis [8] proposed the following formula for calculating track equivalent stiffness k. 6 m; EI is the rail flexural modulus (unit: MN m2 ); k is the track equivalent stiffness (unit: MN=m2 ).

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