考虑车体弹性的集装箱平车动态响应分析

郭金莹; 王勇; 李忠继; 张萍

doi:10.13433/j.cnki.1003-8728.2014.0925

考虑车体弹性的集装箱平车动态响应分析

doi: 10.13433/j.cnki.1003-8728.2014.0925

1.
西南交通大学牵引动力国家重点实验室, 成都 610031

基金项目:

国家自然科学基金项目(50975238)

国家实验室自主课题项目(2012TPL-T05)资助

详细信息

作者简介:
郭金莹(1987-)，硕士研究生，研究方向为车辆系统动力学，jinyguo@163.com;王勇(联系人)，副研究员，博士，硕士生导师，455934993@qq.com

郭金莹(1987-)，硕士研究生，研究方向为车辆系统动力学，jinyguo@163.com;王勇(联系人)，副研究员，博士，硕士生导师，455934993@qq.com

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出版历程
- 收稿日期: 2013-03-19

Analysis of the Dynamic Response for Container Flat Car Considering the Flexibility of Carbody

1.
Traction Power State Key Laboratory, Southwest Jiaotong University, Chengdu 610031

摘要

摘要: 基于柔性多体系统动力学理论研究铁道集装箱平车动态响应。建立考虑车体弹性的刚柔耦合车辆系统动力学模型,并与多刚体模型的动态响应进行对比。仿真结果表明:弹性体模型的车体加速度均方根值(RMS)较刚性体模型大,最大差值为2.8 m/s2;频谱分析显示,车体1阶扭曲、1阶垂向弯曲和1阶横向弯曲模态对空车振动响应影响显著;加装集装箱会改变车体模态振型,主要表现为扭转弹性变形和局部的弹性振动,对车体端部垂向振动响应影响显著。
- 集装箱平车 /
- 动态响应 /
- 车体弹性振动 /
- 频谱分析
Abstract: Dynamic response of container flat car was analyzed using the flexible multibody dynamics method. The rigid-flexible coupling dynamic model considering the flexibility of carbody was established and the simulation results were compared with that of the rigid model. The results show that the RMS of carbody acceleration of the rigid-flexible coupling model is greater than that of the rigid model and the maximum difference is 2. 8 m /s2. The spectrum analysis of the acceleration of carbody shows that the first-order torsion mode,first-order vertical bending mode,and first-order transverse bending mode significantly affect the vibration of carbody in empty load case. It also indicates that the mode of carbody changes after loading containers. After loading containers,the mode of carbody is mainly torsion and local vibration which affect the vertical vibration of carbody end significantly.
- carbody elastic vibration /
- container flat car /
- dynamic response /
- spectrum analysis

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参考文献(7)

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