Nonlinear Seismic Analysis of Concrete Dams Using ABAQUS-Based Scaled Boundary Finite Element Method

被引：0
|
作者：
Liu, Yunlong [1 ,2 ]
Chen, Denghong [1 ,2 ]
Pan, Ziyue [1 ,2 ]
Hu, Haowen [1 ,2 ]
Liu, Yunhui [1 ,2 ]
机构：
[1] China Three Gorges Univ, Hubei Key Lab Disaster Prevent & Mitigat, Yichang 443002, Peoples R China
[2] China Three Gorges Univ, Coll Civil Engn & Architecture, Yichang, Peoples R China
来源：
JOURNAL OF EARTHQUAKE ENGINEERING | 2024年
基金：
中国国家自然科学基金;
关键词：
Scaled boundary finite element method; polyhedral elements; overlaying element technique; contact nonlinearity; TO-NODE SCHEME; FOUNDATION;
D O I：
10.1080/13632469.2024.2383778
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The scaled boundary finite element method (SBFEM) is implemented in ABAQUS through the user subroutine interface. The accuracy of the proposed method and computer program are verified by using two benchmark examples. With the coupled SBFEM and standard finite element method (FEM), the dynamic interaction model of concrete dam - reservoir - foundation considering the geometrical nonlinearity of transverse joints is established using the viscous-spring absorbing boundary conditions. The overlaying element technique is applied to define the contact interface of transverse joints. The dynamic characteristics and linear seismic response of the Koyna gravity dam have been analyzed using polyhedral elements. Finally, nonlinear seismic analysis of the NG5 arch dam has been conducted. The calculated results are in good agreement with those of ABAQUS built-in elements. Moreover, numerical examples demonstrate that proposed method has high computational accuracy and can be applied to the dynamic analysis of complex engineering structures.
引用
收藏
页码：4209 / 4240
页数：32
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