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地下结构多尺度动力分析方法

禹海涛 袁勇

禹海涛, 袁勇. 地下结构多尺度动力分析方法[J]. 力学学报, 2012, 44(6): 1028-1036. doi: 10.6052/0459-1879-12-133
引用本文: 禹海涛, 袁勇. 地下结构多尺度动力分析方法[J]. 力学学报, 2012, 44(6): 1028-1036. doi: 10.6052/0459-1879-12-133
Yu Haitao, Yuan Yong. MULTI-SCALE DYNAMIC ANALYSIS METHOD FOR UNDERGROUND STRUCTURES[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(6): 1028-1036. doi: 10.6052/0459-1879-12-133
Citation: Yu Haitao, Yuan Yong. MULTI-SCALE DYNAMIC ANALYSIS METHOD FOR UNDERGROUND STRUCTURES[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(6): 1028-1036. doi: 10.6052/0459-1879-12-133

地下结构多尺度动力分析方法

doi: 10.6052/0459-1879-12-133
基金项目: 国家自然科学基金(51208296), 中国博士后科学基金(2012M510113), "十二五"国家科技支撑计划(2012BAK24B00), 长江学者和创新团队发展计划(IRT1029)资助项目.
详细信息
    通讯作者:

    禹海涛

  • 中图分类号: TB122, TU91

MULTI-SCALE DYNAMIC ANALYSIS METHOD FOR UNDERGROUND STRUCTURES

Funds: The project was supported by the National Natural Science Foundation of China (51208296) and the China Postdoctoral Science Foundation funded project (2012M510113), National Key Technology R&D Program of China (2012BAK24B00) and the Program for Changjiang Scholars and Innovative Research Team in University (IRT1029).
  • 摘要: 近年地下结构震害频发,针对目前地下结构抗震研究中实际存在的多尺度动力问题,提出了地下结构多尺度动力分析方法,该方法不需要任何附加的过滤和阻尼就能有效地消除高频波的虚假反射. 以桥域耦合理论为基础,引入拉格朗日乘子将不同尺度区域之间的约束关系,通过能量势函数隐含到动力方程中,推导出不同尺度域的动力控制方程;基于中心差分法,提出了用于地下结构多尺度分析的动力显式算法,以求解所建立的多尺度动力耦合体系. 以实际工程为应用实例,通过与传统的位移耦合方法的对比分析,说明了该多尺度方法用于地下结构动力分析的可行性以及对消除高频波虚假反射的有效性.

     

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  • 被引次数: 0
出版历程
  • 收稿日期:  2012-05-11
  • 修回日期:  2012-08-13
  • 刊出日期:  2012-11-18

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