工程力学 ›› 2019, Vol. 36 ›› Issue (S1): 17-24.doi: 10.6052/j.issn.1000-4750.2018.01.S002

• 土木工程学科 • 上一篇    下一篇

基于Bouc-Wen模型的消能减震结构显式非线性时程分析

曹胜涛1,2, 李志山1, 刘付钧3, 黄忠海3   

  1. 1. 广州大学广东省地震工程与应用技术重点实验室, 广州 510405;
    2. 中国建筑科学研究院, 北京 100013;
    3. 广州容柏生建筑结构设计事务所, 广州 510170
  • 收稿日期:2018-01-08 修回日期:2018-01-09 出版日期:2019-06-18 发布日期:2019-06-18
  • 通讯作者: 李志山(1966-),男,广东清远人,教授,博士,主要从事结构抗震减震方面的数值分析研究(E-mail:1059607480@qq.com). E-mail:1059607480@qq.com
  • 作者简介:曹胜涛(1985-),男,河北邢台人,工程师,博士,主要从事非线性有限元和结构振动控制研究(E-mail:shengtaocao@163.com);刘付钧(1970-),男,广东化州人,教授级高级工程师,博士,主要从事建筑结构设计与研究(E-mail:liufujun@gzrbs.com);黄忠海(1981-),男,广西桂平人,高工,硕士,主要从事高层建筑结构设计与研究(E-mail:huangzhonghai19@163.com).
  • 基金资助:
    “十三五”国家重点研发计划高性能计算重点专项(2016YFB0200605)

EXPLICIT NONLINEAR TIME HISTORY ANALYSIS OF ENERGY DISSIPATION STRUCTURES BASED ON BOUC-WEN MODEL

CAO Sheng-tao1,2, LI Zhi-shan1, LIU Fu-jun3, HUANG Zhong-hai3   

  1. 1. Guangdong Provincial Key Laboratory of Earthquake Engineering and Applied Technology, Guangzhou University, Guangzhou 510405, China;
    2. China Academy of Building Research, Beijing 100013, China;
    3. RBS Architectural Engineering Design Associates, Guangzhou 510170, China
  • Received:2018-01-08 Revised:2018-01-09 Online:2019-06-18 Published:2019-06-18

摘要: 该文基于Bouc-Wen模型构造了一种2节点12自由度的显式消能器单元;利用修正的向前Euler算法实现了单元内力计算。将该文显式单元及其内力计算方法在完全自主研发的非线性有限元分析程序中完成开发。为提高显式分析效率,自主研发程序采用了CPU+GPU异构并行计算技术。通过与低屈服点钢剪切滞回试验对比,验证了该文显式消能器单元的正确性和适用性。采用该文显式消能器单元模拟某实际消能减震结构的金属消能器;基于结构整体动力分析结果,讨论了金属消能器的减震效果。

关键词: 消能减震结构, Bouc-Wen模型, 单元内力计算, 显式非线性动力分析, CPU+GPU并行计算

Abstract: Based on Bouc-Wen model, an explicit energy dissipator element with 2 nodes and 12 degrees of freedom was presented. The element internal forces were calculated by a modified forward Euler method. The explicit element and the algorithm for internal force calculation were developed in a nonlinear finite element analysis program with independent intellectual property rights. In order to improve the efficiency of explicit analysis, CPU+GPU heterogeneous parallel computing technology was adopted in the program. By comparing with the shear hysteretic test of low-yield-point steel, the correctness and applicability of the explicit element were verified. The explicit dissipator element was used to simulate the metal dissipator of a practical energy dissipation structure. Based on the results of structural dynamic analysis, the damping effect of the metal dissipator was discussed.

Key words: energy dissipation structure, Bouc-Wen model, element internal force calculation, explicit nonlinear dynamic analysis, CPU+GPU parallel computing

中图分类号: 

  • TU311.3
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