Time-domain analysis of gravity dam-reservoir interaction using high-order doubly asymptotic open boundary

被引：37

作者：

Wang, Xiang ^{[2
]}

Jin, Feng ^{[2
]}

Prempramote, Suriyon ^{[1
]}

Song, Chongmin ^{[1
]}

机构：

[1] Univ New S Wales, Sch Civil & Environm Engn, Sydney, NSW 2052, Australia

[2] Tsinghua Univ, Dept Hydraul Engn, Beijing 100084, Peoples R China

来源：

COMPUTERS & STRUCTURES | 2011年 / 89卷 / 7-8期

关键词：

Dam-reservoir interaction; Doubly asymptotic; Continued fraction; Open boundary; Transmitting boundary; TRANSIENT ANALYSIS PROCEDURES; COUPLED-FIELD PROBLEMS; FINITE-ELEMENT-METHOD; UNBOUNDED-DOMAINS; CONCRETE GRAVITY; HYDRODYNAMIC PRESSURES; TRANSMITTING BOUNDARY; SUBMERGED STRUCTURES; DYNAMIC ANALYSIS; WAVE-EQUATION;

D O I：

10.1016/j.compstruc.2011.01.014

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A procedure for the time-domain analysis of gravity dam-reservoir interaction is proposed. The dam and a part of the reservoir with irregular geometry are modeled with finite elements. A high-order doubly asymptotic open boundary condition is developed to model the remaining part of the reservoir simplified as a semi-infinite layer of constant depth. This open boundary is temporally local, stable and converges rapidly as the order increases. It is directly coupled with the commercial software ABAQUS by using a sequential staggered implicit-implicit partition algorithm. Numerical examples demonstrate the high accuracy and long-time stability of the proposed technique. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：668 / 680

页数：13

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