On the Steady State Interaction between an Asymmetric Wheelset and Track

机译：非对称轮对与履带的稳态相互作用

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This paper presents an analysis of the steady-state interaction between anrnasymmetric wheelset and track, derived from the parametric excitation of sleepers.rnThe track model consists of two uncoupled rails (Timoshenko beams), each of themrnresting on discretely equidistant supports. The model of the periodic support has twornthree-direction Kelvin/Voigt systems for the rail pad and the ballast, and a mixedrnKelvin-Voigt/Maxwell system for the subgrade. Also, the inertia of the sleeper andrnthe ballast block has been introduced. The wheelset is considered as a uniformrnTimoshenko beam with attached rigid bodies for wheels, axle boxes and drivingrngear. The equations of motion are solved by means of the Green’s function method.rnThe parametric resonances and the corresponding sub-harmonic parametricrnresonances are being analysed.

机译：本文从对轨枕的参数激励出发，对非对称轮对与履带之间的稳态相互作用进行了分析。履带模型由两个未耦合的钢轨（Timoshenko梁）组成，每个钢轨都位于离散的等距支撑上。周期性支撑的模型有两个用于方向盘和压载物的三向Kelvin / Voigt系统，以及一个用于路基的混合Kelvin-Voigt / Maxwell系统。另外，还介绍了轨枕和压载块的惯性。轮对被认为是统一的提莫申科横梁，带有用于车轮，轴箱和驱动齿轮的刚性体。通过格林函数方法求解运动方程。正在分析参量共振和相应的次谐波参量共振。

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来源
《Proceedings of the Thirteenth international conference on civil, structural and environmental engineering computing》|2011年|p.1-19|共19页
会议地点 Chania(GR);Chania(GR)
作者
T. Mazilu; M. Dumitriu;
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作者单位

Department of Railway Vehicles University Politehnica of Bucharest, Romania;

Department of Railway Vehicles University Politehnica of Bucharest, Romania;

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会议组织
原文格式 PDF
正文语种 eng
中图分类市政工程;
关键词
track; asymmetric wheelset; steady-state interaction; Green’s function; parametric resonance;

机译：轨迹；非对称轮对；稳态相互作用；格林函数；参数共振;

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机译：铁路轨道和轮轨相互作用的周期性对轮对轨动力学的影响

On the Steady State Interaction between an Asymmetric Wheelset and Track

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