The Calculating Model of the Gravity Dam-Reservoir-Foundation Based on the High-Order Transmitting Boundary

被引：2
|
作者：
Liu Jun-yu [1 ,2 ]
Lin Gao [2 ]
Hu Zhi-qiang [2 ]
Zhang Yong [2 ]
机构：
[1] Shenyang Univ Technol, Sch Architecture & Civil Engn, Shenyang 110870, Peoples R China
[2] Dalian Univ Technol, Sch Civil & Hydraul Engn, Dalian 116024, Peoples R China
来源：
2012 INTERNATIONAL CONFERENCE ON MODERN HYDRAULIC ENGINEERING | 2012年 / 28卷
基金：
中国博士后科学基金;
关键词：
dynamic structure-foundation interaction; scaled boundary finite element method; transmitting boundary; gravity dam; unbounded domains; SOIL-STRUCTURE INTERACTION;
D O I：
10.1016/j.proeng.2012.01.710
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The analysis of the system of the gravity dam-reservoir-foundation is calculated using the Scaled Boundary Finite Element Method (SBFEM). The unbounded foundation is modeled by a high-order transmitting boundary based on the continued-fraction solution of the dynamic-stiffness matrix. The coefficient matrices of the continued fraction are evaluated recursively through the scaled boundary finite element equation in dynamic stiffness. The convergence of the high-order transmitting boundary is demonstrated by the numerical examples. Comparisons with the analytical solutions show that the method possesses high accuracy. The results are compared with the mass-less base model. In conclusion, the approach is effective and suitable for the large-scale structure-foundation interaction analysis in frequency domain. (C) 2012 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Society for Resources, Environment and Engineering
引用
收藏
页码：224 / 229
页数：6
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