Seismic Response Analysis of Deepwater Bridge Pier considering Close Fluid-structure Interaction Effects

王志华; 曹伟; 陈国兴

doi:10.13409/j.cnki.jdpme.2010.05.004

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Seismic Response Analysis of Deepwater Bridge Pier considering Close Fluid-structure Interaction Effects

更新时间：2025-12-11

- Seismic Response Analysis of Deepwater Bridge Pier considering Close Fluid-structure Interaction Effects
- Vol. 30, Issue 5, Pages: 517-523(2010)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2010.05.004
  CLC： 315.9
- Published：2010
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[1]王志华,曹伟,陈国兴.考虑流固强耦合效应的深水桥墩地震反应分析[J].防灾减灾工程学报,2010,30(05):517-523.

王志华, 曹伟, 陈国兴. Seismic Response Analysis of Deepwater Bridge Pier considering Close Fluid-structure Interaction Effects[J]. 2010, 30(5): 517-523.
[1]王志华,曹伟,陈国兴.考虑流固强耦合效应的深水桥墩地震反应分析[J].防灾减灾工程学报,2010,30(05):517-523. DOI： 10.13409/j.cnki.jdpme.2010.05.004.

王志华, 曹伟, 陈国兴. Seismic Response Analysis of Deepwater Bridge Pier considering Close Fluid-structure Interaction Effects[J]. 2010, 30(5): 517-523. DOI： 10.13409/j.cnki.jdpme.2010.05.004.

摘要

基于任意拉格朗日-欧拉（Aribitrary Lagrange-Euler

ALE）描述的Navier-Stokes方程

建立了考虑流固强耦合效应（Fluid-structure interaction

FSI）的深水桥墩地震反应分析整体有限元模型

分析了流固强耦合效应对桥墩墩身相对位移、剪力和弯矩反应的影响

讨论了不同水位下的流固耦合效应及其影响。算例结果表明:流固强耦合效应将使墩身位移和内力反应明显增大

增大幅度与输入地震波的频谱特性存在相关性;输入地震波的位移峰值越大

流固耦合效应对位移反应的影响越大

对内力反应的影响越小;水位对深水桥墩内力反应的影响较对位移的影响显著。

Abstract

Based on the Navier-Stokes equations set up with arbitrary Lagrange-Eulcr description

a integral finite element model used to analyze the seismic response of bridge piers in deep water and considering close fluid-structure interaction（FSI） was established.Effects of the close FSI on the relative displacement

shear force and moment responses of the bridge pier were analyzed and the close FSI and its effects under different water depth were discussed.The results of the case study indicate that the displacement and internal force of bridge piers will increase obviously when the FSI is considered.When the peak displacement of input earthquake wave is larger

effects of the FSI on the displacement response of the pier will be larger and effects of the FSI on the internal force response of the pier will be smaller.Effects of the close FSI on seismic response of the pier are related to the frequency characteristics of the input earthquake wave.Additionally

Effect of the water depth on internal force response of the pier are more significant than that on the displacement response of the pier.

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references

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波浪作用对单柱式桥墩地震反应特性的影响 [J]. 白德贵,陈国兴,王志华. 世界地震工程 . 2008(04)

考虑动水压力影响的单柱式桥墩地震反应分析 [J]. 李富荣,陈国兴,王志华. 地震工程与工程振动 . 2008(02)

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Blast response simulation of an elastic structure: Evaluation of the fluid–structure interaction effect [J] . Kolluru V. Subramaniam,Weimin Nian,Yiannis Andreopoulos. International Journal of Impact Engineering . 2009 (7)

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