[1]谢炼,张文明,宗周红.基于ANSYS的桥梁结构颤振时域重启动迭代法[J].东南大学学报(自然科学版),2016,46(1):133-139.[doi:10.3969/j.issn.1001-0505.2016.01.022]
 Xie Lian,Zhang Wenming,Zong Zhouhong.Restart iteration method for time-domain flutter analysis of bridge structures based on ANSYS[J].Journal of Southeast University (Natural Science Edition),2016,46(1):133-139.[doi:10.3969/j.issn.1001-0505.2016.01.022]
点击复制

基于ANSYS的桥梁结构颤振时域重启动迭代法()
分享到:

《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
46
期数:
2016年第1期
页码:
133-139
栏目:
交通运输工程
出版日期:
2016-01-20

文章信息/Info

Title:
Restart iteration method for time-domain flutter analysis of bridge structures based on ANSYS
作者:
谢炼张文明宗周红
东南大学土木工程学院, 南京 210096
Author(s):
Xie Lian Zhang Wenming Zong Zhouhong
School of Civil Engineering, Southeast University, Nanjing 210096, China
关键词:
桥梁结构 颤振时域分析 自激力脉冲响应函数 重启动迭代
Keywords:
bridge structure time-domain flutter analysis self-excited impulse response function restart iteration
分类号:
U441.3
DOI:
10.3969/j.issn.1001-0505.2016.01.022
摘要:
为了简化桥梁结构颤振时域分析、提高计算效率,以结构自激力脉冲响应函数表达式为基础,基于ANSYS软件的重启动技术,提出了桥梁结构颤振时域计算的重启动迭代方法.分别对具有理想平板截面的简支梁和半漂浮体系斜拉桥灌河大桥进行颤振时域分析来验证该方法的有效性.结果表明:重启动迭代计算方法所获得的结构颤振临界响应与理论解吻合良好,且计算结果对于时间步长的选取没有依赖性,该方法能够真实反应所有参与模态的振动响应,可应用于实桥的颤振时域分析中.
Abstract:
In order to simplify the time-domain flutter analysis of bridge structures and improve the computational efficiency, a restart iteration method is proposed based on the impulse function expression of self-excited force by using the restart technology of ANSYS. The effectiveness of the proposed method is proved by time-domain analysis of a simply supported beam with ideal flat section and a semi-floating cable-stayed bridge—Guanhe Bridge. The results show that the critical flutter response of bridge structures obtained by the proposed method agrees well with the theoretical solution. And the calculation results are independent of the time step. The restart iteration method can consider all vibration modes of structures, thus it can be applied to the flutter analysis of the bridge structure in the time domain.

参考文献/References:

[1] 项海帆.现代桥梁抗风理论与实践[M].北京:人民交通出版社,2005:88-89.
[2] Scanlan R H. Motion-related body force functions in two-dimensional low-speed flow[J]. Journal of Fluids and Structures, 2000, 14(1): 49-63.
[3] Caracoglia L, Jones N P. Time domain vs frequency domain characterization of aeroelastic forces for bridge deck sections[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2003, 91(2): 371-402.
[4] 丁泉顺.大跨度桥梁耦合颤抖振响应的精细化分析[D].上海:同济大学土木工程学院,2001.
[5] Lin Y K, Li Q C. New stochastic theory for bridge stability in turbulent flow[J]. Journal of Engineering Mechanics, 1993, 119(1): 113-127.
[6] Li Q C, Lin Y K. New stochastic theory for bridge stability in turbulent flow Ⅱ[J]. Journal of Engineering Mechanics, 1995, 121(1): 102-116.
[7] 张志田,陈政清,李春光.桥梁气动自激力时域表达式的瞬态及极限特征[J].工程力学,2011,28(2):75-85.
  Zhang Zhitian, Chen Zhengqing, Li Chunguang. Limiting and transient characteristics of time-domain expressions for bridge self-excited aerodynamic force[J]. Engineering Mechanics, 2011, 28(2): 75-85.(in Chinese)
[8] Ahmad N. Finite element-based flutter analysis of cable-suspended bridges[J]. Journal of Structural Engineering, 1992, 118(6): 1509-1526.
[9] 华旭刚,陈政清,祝志文.在ANSYS中实现颤振时程分析的方法[J].中国公路学报,2002,15(4):32-34.
  Hua Xugang, Chen Zhengqing, Zhu Zhiwen. Approach of time-history analysis of flutter in ANSYS[J]. China Journal of Highway and Transport, 2002, 15(4): 32-34.(in Chinese)
[10] Zhang W M, Ge Y J, Levitan M L, et al. Aerodynamic flutter analysis of a new suspension bridge with double main spans[J]. Wind & Structures, 2011, 14(3):187-208.
[11] 曾宪武,韩大建.大跨桥梁风致抖振时域分析及在ANSYS中的实现[J].桥梁建设,2004,34(1):9-12. DOI:10.3969/j.issn.1003-4722.2004.01.003.
  Zeng Xianwu, Han Dajian. Time-domain analysis of wind-induced buffet on long-span bridges and implementation of analysis in ansys[J]. Bridge Construction, 2004, 34(1): 9-12. DOI:10.3969/j.issn.1003-4722.2004.01.003.(in Chinese)
[12] 郭增伟,葛耀君.桥梁自激力脉冲响应函数及颤振时域分析[J].中国公路学报,2013,26(6):103-109.
  Guo Zengwei, Ge Yaojun. Impulse response functions of self-excited force and flutter analysis in time domain for bridge[J]. China Journal of Highway and Transport, 2013, 26(6):103-109.(in Chinese)
[13] Starossek U. Complex notation in flutter analysis[J]. Journal of Structural Engineering, 1998, 124(8): 975-977.
[14] 张文明.多主跨悬索桥抗风性能及风致灾变全过程研究[D].上海:同济大学土木工程学院,2011.
[15] 樊星辰.基于健康监测的结合梁斜拉桥安全预警方法研究[D].南京:东南大学土木工程学院,2014.
[16] 田克平,韩大建.灌河大桥建设文集[M].北京:人民交通出版社,2008:52-57.

相似文献/References:

[1]刘妍.浙闽木拱桥类型学研究——以桥板苗系统为视角[J].东南大学学报(自然科学版),2011,41(2):430.[doi:10.3969/j.issn.1001-0505.2011.02.041]
 Liu Yan.Typological study on timber arch bridges in Zhe-Min provinces: with focus on bridge-deck-beam-system[J].Journal of Southeast University (Natural Science Edition),2011,41(1):430.[doi:10.3969/j.issn.1001-0505.2011.02.041]

备注/Memo

备注/Memo:
收稿日期: 2015-06-11.
作者简介: 谢炼(1988—),男,硕士生;宗周红(联系人),男,博士,教授,博士生导师,zongzh@seu.edu.cn.
基金项目: 国家自然科学基金资助项目(51178101, 51208104,51378112)、江苏省自然科学基金资助项目(BK2012344).
引用本文: 谢炼,张文明,宗周红.基于ANSYS的桥梁结构颤振时域重启动迭代法[J].东南大学学报(自然科学版),2016,46(1):133-139. DOI:10.3969/j.issn.1001-0505.2016.01.022.
更新日期/Last Update: 2016-01-20