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Simulation of Train-Turnout Coupled Dynamics Using a Multibody Simulation Software

机译:使用多体仿真软件仿真火车回棚耦合动力学

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摘要

With the advancements of computing power, multibody simulation (MBS) tool is used to study not only train dynamics but also more realistic phenomena such as train-track coupled dynamics. However, train-turnout coupled dynamics within MBS is still hard to be found. In this paper, a train-turnout coupled model methodology using a MBS tool GENSYS is presented. Dynamic track properties of a railway track are identified through numerical receptance test on a simple straight track model. After that, the identified dynamic track properties are adopted in a switch and crossing (turnout) to simulate train-turnout coupled dynamic interaction including parameters such as rail bending stiffness and sleeper mass variation along the turnout. The train-turnout coupled dynamic interaction is compared to the dynamic interaction simulated from a widely accepted moving mass train-turnout model. It is observed that the vertical and lateral normal forces for the new train-turnout coupled model and the conventional moving mass train-turnout model are in good agreement. In addition, the new train-turnout coupled model can provide additional track dynamics results. It is concluded that the train-turnout coupled model can provide a more realistic train-turnout dynamic interaction compared to the moving mass train-turnout model.
机译:随着计算能力的进步,多体仿真(MBS)工具用于研究不仅要培训动态,而且更具现实现象,如火车轨道耦合动态。但是,仍然很难找到MBS中的火车回岔耦合动力学。本文介绍了使用MBS工具Gensys的火车回岔耦合模型方法。通过简单的直轨模型的数值接收测试来确定铁路轨道的动态轨道特性。之后,在开关和交叉(岔路件)中采用了所识别的动态轨道特性,以模拟火车回棚耦合的动态交互,包括诸如轨道弯曲刚度和沿路轨道的卧式质量变化的参数。将火车回岔耦合动态相互作用与广泛接受的移动质量列车流道模型模拟的动态相互作用进行了比较。观察到新的火车岔槽耦合模型的垂直和横向正常力和传统的移动质量列车轨道车道模型非常一致。此外,新的火车回棚耦合模型可以提供额外的轨道动态结果。结论是,与移动质量列车流道模型相比,火车岔槽耦合模型可以提供更现实的火车回棚动态交互。

著录项

  • 作者

    Albert Lau; Inge Hoff;

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  • 年度 2018
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  • 原文格式 PDF
  • 正文语种 eng
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