短型浮置板轨道减振系统振动响应分析

上海交通大学学报（自然版） ›› 2013, Vol. 47 ›› Issue (10): 1552-1556.

短型浮置板轨道减振系统振动响应分析

王颖轶1，刘学文2，黄醒春1

（1.上海交通大学海洋水下工程科学研究院，上海 200231； 2. 西门子工业软件(上海)有限公司，上海 200042）

收稿日期:2012-09-14 出版日期:2013-10-30 发布日期:2013-10-30

Vibration Response Analysis of the Short Floating Slab Track System ——Board Structure Parameters

WANG Yingyi1,LIU Xuewen2,HUANG Xingchun1

(1.Chinese Underwater Technology Institute, Shanghai Jiaotong University, Shanghai 200231, China; 2. Siemens PLM Software Co.Ltd, Shanghai 200042, China)

Received:2012-09-14 Online:2013-10-30 Published:2013-10-30

摘要/Abstract

摘要：

利用自行编制的有限元程序VehicleStructure Dynamic Analysis Program（VSDAP），从振动响应入手，同时结合短型浮置板的传递特性，研究短型浮置板轨道结构板下结构物理参数对于整个系统，包括车辆结构、轨道结构以及基础结构振动响应的影响.研究结果表明：当质量比例系数ξm、阻尼比例系数ξc和刚度比例系数ξk三者有2个取定的情况下，另外一个值可以通过分析给定一个建议区间；随着ξk增大，共振时传递率最大值降低，但截止频率升高；车体振动加速度最大值下降，浮置板自身振动幅度下降，但桥梁振动加剧；随着ξc的增大，共振时其传递率最大值下降速度由快至缓，当ξc达到某一值时，对隔振效果的影响已不是很明显.

关键词: 短型浮置板, 轨道, 车辆, 振动

Abstract:

By using the self-programmed Vehicle-Structure Dynamic Analysis Program(VSDAP), starting from vibration response, and taking into consideration transfer characteristics of the short floating slab, the influence of physical parameters of the short floating slab board track structure on the whole system was studied, including the vibration of vehicle structure, track structure and basic structure. The results show that an additional value can be obtained by a given recommended interval as two set of mass ratio coefficient, damping ratio and stiffness ratio remain unchanged. With the increase of stiffness coefficient, the maximum of resonance transfer rate decreases but the cutoff frequency increases; the maximum of vibration acceleration of the vehicle decreases, while the vibration amplitude of the floating slab decreases, but the bridge vibration intensifies. As the damping ratio increases, the resonance and its maximum transfer rate dropping speed become slower. When the damping ratio reaches a certain value, the effect on vibration isolation almost disappears.

Key words: short floating slab, track, vehicle, vibration

中图分类号:

TU 452

王颖轶1，刘学文2，黄醒春1. 短型浮置板轨道减振系统振动响应分析[J]. 上海交通大学学报（自然版）, 2013, 47(10): 1552-1556.

WANG Yingyi1,LIU Xuewen2,HUANG Xingchun1. Vibration Response Analysis of the Short Floating Slab Track System ——Board Structure Parameters[J]. Journal of Shanghai Jiaotong University, 2013, 47(10): 1552-1556.

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