A Method Coupling the Analytical and Numerical Techniques for Seismic Response Analysis for SSI Systems

傅敏红; 古泉

doi:10.13409/j.cnki.jdpme.2013.s1.017

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A Method Coupling the Analytical and Numerical Techniques for Seismic Response Analysis for SSI Systems

更新时间：2025-12-11

- A Method Coupling the Analytical and Numerical Techniques for Seismic Response Analysis for SSI Systems
- Vol. 33, Issue S1, Pages: 15-19(2013)
- 作者机构：
- 作者简介：
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- DOI：10.13409/j.cnki.jdpme.2013.s1.017
  CLC： U311.3
- Published：2013
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[1]傅敏红,古泉.基于数值解与解析解耦合的SSI体系地震反应分析方法[J].防灾减灾工程学报,2013,33(S1):15-19.

傅敏红, 古泉. A Method Coupling the Analytical and Numerical Techniques for Seismic Response Analysis for SSI Systems[J]. 2013, 33(S1): 15-19.
[1]傅敏红,古泉.基于数值解与解析解耦合的SSI体系地震反应分析方法[J].防灾减灾工程学报,2013,33(S1):15-19. DOI： 10.13409/j.cnki.jdpme.2013.s1.017.

傅敏红, 古泉. A Method Coupling the Analytical and Numerical Techniques for Seismic Response Analysis for SSI Systems[J]. 2013, 33(S1): 15-19. DOI： 10.13409/j.cnki.jdpme.2013.s1.017.

摘要

基于子结构分析方法

提出了土-结构相互作用体系中数值解和解析解耦合的地震反应分析方法。此方法中

数值解是用有限元方法来模拟上部结构的非线性动力行为;而弹性结构-刚性基础-半无限大弹性地基中频域内的解析解

是通过离散时间递归滤波方法得到时域内的解来等效

且在整个体系中

利用土、结构两个子结构边界上的力和位移协调求解。本文提出的方法用有限元程序Opensees来实现

并用于一个线弹性单层框架结构的动力分析中。这种耦合的分析方法得到的结果

与土-结构相互作用单自由度体系的解析解进行了比较

验证此方法的精度、稳定性和工程实用性。

Abstract

A new coupling method for solving SSI problems is presented.The method

combining analytical and numerical methods

is based on substructure method.The analytical method obtains a frequency domain solution for an elastic superstructure

rigid foundation

and semi-infinite elastic soil systems.A time domain recursive filter is used to transfer the frequency domain solution to time domain.In the system

the dynamic equation of the boundary force and displacement conditions is built based on the responses of each substructure

i.e.

the soil and the structures. In this paper

the new method is used for analyzing a simple linear elastic dynamic system including a single frame structure and a rigid foundation of elastic semi-infinite soil.The results by the coupling method are compared with those by pure analytical method to verify its accuracy

stability and applicability.

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references

波动问题中的三维时域粘弹性人工边界 [J]. 刘晶波,王振宇,杜修力,杜义欣. 工程力学 . 2005(06)

结构-地基动力相互作用问题分析的一种直接方法 [J]. 刘晶波,吕彦东. 土木工程学报 . 1998(03)

土-结构动力相互作用[M]. 地震出版社 , (瑞士)瓦尔夫（Wolf,J.P.）著, 1989

Time-domain representation of frequency-dependent foundation impedance functions [J] . Soil Dynamics and Earthquake Engineering . 2005 (1)

Experimental Verification of Multiinput Seismic Control Strategies for Smart Dampers [J] . Fu Yi,Shirley J. Dyke,Juan M. Caicedo,J. David Carlson. Journal of Engineering Mechanics . 2001 (11)

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