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列车-轨道耦合系统随机不平顺动力响应分析

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2015-01-22

Journal: 大连理工大学学报

Included Journals: Scopus、CSCD、ISTIC、PKU

Volume: 55

Issue: 1

Page Number: 81-88

ISSN: 1000-8608

Key Words: 列车-轨道耦合;数值积分方法;高速铁路;振动分析

Abstract: 对在我国高速铁路上应用较广泛的CRH3型列车和CRTSⅡ型无砟轨道进行了精确的动力学分析。首先,对列车的车体、转向架、轮对3个主要部分进行重点分析,建立列车动力学模型;然后,以CRTSⅡ作为轨道研究对象,建立轨道动力学模型;之后,运用改进的动力分析数值积分求解算法,快速精确地获得了列车-轨道耦合振动输出;同时,将被忽略的轮轨接触点的精确定位,及轨道的衰减振动引入到列车-轨道耦合模型中,模型获得了与实际值接近的模拟结果。

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