基于滞变阻尼模型的时域计算方法

孙攀旭; 杨红; 赵雯桐; 王志军

doi:10.6052/j.issn.1000-4750.2018.05.0299

基于滞变阻尼模型的时域计算方法

1.
重庆大学土木工程学院, 重庆 400045;
2.
重庆大学山地城镇建设与新技术教育部重点实验室, 重庆 400045

基金项目: 国家重点研发计划项目（2016YFC0701506）；重庆市研究生科研创新项目（CYB18036）

详细信息

作者简介:
孙攀旭(1990-),男,河南许昌人,博士生,主要从事结构抗震设计与计算的研究(E-mail:sunpanxu@163.com);赵雯桐(1991-),女,河南郑州人,博士生,主要从事钢筋混凝土结构的抗震性能研究(E-mail:wentong21@163.com);王志军(1965-),男,四川人,教授,博士,博导,主要从事混凝土结构及组合结构理论研究(E-mail:zjwang@cqu.edu.cn).

通讯作者:
杨红(1969-),男,浙江平湖人,教授,博士,博导,主要从事结构抗震设计理论与方法的研究(E-mail:yangh@cqu.edu.cn).

中图分类号: TU311.3
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- 文章访问数: 634
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出版历程
- 收稿日期: 2018-05-30
- 修回日期: 2018-10-23
- 刊出日期: 2019-06-24

TIME DOMAIN CALCULATION METHOD BASED ON HYSTERETIC DAMPING MODEL

1.
School of Civil Engineering, Chongqing University, Chongqing 400045, China;
2.
Key Laboratory of New Technology for Construction of Cities in Mountain Area of the Ministry of Education, Chongqing University, Chongqing 400045, China

摘要

摘要: 复阻尼时域运动方程的自由振动解中包含发散项，导致时域数值计算结果不能稳定收敛。在复阻尼模型的频域运动方程基础上可得到滞变阻尼模型的时域运动方程。针对滞变阻尼模型的特点，依据复平面法和地震加速度的三角级数表达式，该文提出了滞变阻尼模型的时域理论计算方法；假定时间步长内结构的振动响应为简谐振动响应，同时借助于常平均加速度法，提出了滞变阻尼模型的时域数值计算方法。算例分析表明，与复阻尼模型的时域数值计算方法相比，滞变阻尼模型的时域理论计算方法和时域数值计算方法可有效避免时域发散现象；滞变阻尼模型的时域理论计算结果和时域数值计算结果与复阻尼模型的频域计算结果近似相等，进一步证明了该文方法的正确性。
- 复阻尼模型 /
- 滞变阻尼模型 /
- 时域法 /
- 数值方法 /
- 频域法
Abstract: The free vibration solution of a complex damping time domain motion equation contains divergent items which make the numerical results of the time domain divergent. Based on the frequency domain motion equation of a complex damping model, the hysteretic damping time domain motion equation can be obtained. According to the characteristics of a hysteretic damping model, the time domain theoretical calculation method of the hysteretic damping model is proposed based on the complex plane method and trigonometric series expression of earthquake acceleration records. It is assumed that the structural vibration response is a harmonic vibration response in a short time step. Based on the average acceleration method, the time domain numerical calculation method of the hysteretic damping model is proposed. The analysis results show that:compared with the time domain numerical method of a complex damping model, the two proposed methods can avoid the time domain divergence phenomena effectively. The time domain calculation results of the two proposed methods are approximately equal to the frequency domain calculation results of a complex damping model. The correctness of the two proposed methods is verified.
- complex damping model /
- hysteretic damping model /
- time domain method /
- numerical method /
- frequency domain method

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参考文献(22)

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施引文献(11)

期刊类型引用(7)

1.	孙攀旭，杨红. 改进滞变阻尼模型的时域计算方法. 工程力学. 2021(04): 8-19 . 本站查看
2.	孙攀旭，杨红，刘庆林. 基于滞变阻尼模型的反应谱CQC法. 地震工程与工程振动. 2021(02): 134-145 . 百度学术
3.	焦浩鑫，丁肇伟，陈龙珠. 基于复阻尼模型水平剪切型结构的时域解析算法. 地震工程学报. 2021(03): 720-727 . 百度学术
4.	李创第，谭伟东，葛新广，柏大炼. 单自由度复阻尼耗能减震结构的等效系统研究. 广西大学学报(自然科学版). 2021(02): 268-277 . 百度学术
5.	孙攀旭，杨红. 非比例滞变阻尼线性体系的反应谱CCQC法. 土木工程学报. 2021(09): 1-13 . 百度学术
6.	孙攀旭，杨红. 基于等效黏性阻尼模型的非比例阻尼体系反应谱CCQC法. 工程力学. 2021(10): 160-172+180 . 本站查看
7.	祁文睿，潘旦光，高永涛，付相球. 滞后阻尼体系地震反应的中心差分虚初始条件法. 工程力学. 2020(09): 94-102 . 本站查看

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文章访问数: 634
HTML全文浏览量: 80
PDF下载量: 113
被引次数: 11

基于滞变阻尼模型的时域计算方法

通讯作者: 杨红(1969-),男,浙江平湖人,教授,博士,博导,主要从事结构抗震设计理论与方法的研究(E-mail:yangh@cqu.edu.cn).

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出版历程

TIME DOMAIN CALCULATION METHOD BASED ON HYSTERETIC DAMPING MODEL

期刊类型引用(7)

其他类型引用(4)

计量

出版历程

目录

通讯作者:
杨红(1969-),男,浙江平湖人,教授,博士,博导,主要从事结构抗震设计理论与方法的研究(E-mail:yangh@cqu.edu.cn).