[1]明海燕,李相菘.二维完全耦合有限元地震分析程序SUMDES2D[J].深圳大学学报理工版,2004,21(3):224-230.
　MING Hai-yan and LI Xiang-song.SUMDES2D , a 2D fully coupled FE earthquake analysis program[J].Journal of Shenzhen University Science and Engineering,2004,21(3):224-230.
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二维完全耦合有限元地震分析程序SUMDES2D()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第21卷
期数:
2004年3期
页码:
224-230
栏目:
土木建筑工程
出版日期:
2004-07-30

文章信息/Info

Title:
SUMDES2D , a 2D fully coupled FE earthquake analysis program
文章编号:
1000-2618（2004）03-0224-07
作者:
明海燕1; 李相菘2
1）深圳大学建筑与土木工程学院，深圳518060
2）香港科技大学土木工程学系 香港
Author(s):
MING Hai-yan1 and LI Xiang-song2
1)College of Architecture and Civil Engineering Shenzhen University , Shenzhen 518060, P.R.China
2)Department of Civil Engineering Hong Kong University of Science and Technology ,Hong Kong
关键词:
振动; 有限元法; 完全耦合分析; 数值分析; 斜坡
Keywords:
dynamic shaking; finite element method; fully coupled analysis; numerical analysis ; slope
分类号:
TU 435
文献标志码:
A
摘要:
SUMDES2D 是二维完全耦合有限元地震分析程序, 可用于分析土工结构在多向振动作用下的地震响应.该程序是基于动量守恒和质量守恒两个物理定律, 以及分别描述土骨架、孔隙水和渗流等3个本构关系的有效应力分析程序.程序中嵌入了基于与状态相关的剪胀性的临界状态砂土模型.该程序不仅能给出土结构的总体响应, 如位移、孔隙压力和加速度等, 且能给出土单元局部的应力路径和应力应变关系.介绍了SUMDES2D 的理论推导, 举例说明该程序在土坡流动液化变形分析中的应用.
Abstract:
SUMDES2D is a two dimensional fully coupled finite element earthquake analysis program which can be used in the analysis of earth structure under multi-directional earthquake shaking. The procedure is formulated under the framework of Biot based on the physical laws of the balance of momentum and conservation of mass in conjunction with three separately defined constitutive laws for soil skeleton , pore fluid and seepage flow respectively. A newly developed critical state sand model, which is formulated based on the concept of state-dependent dilatancy is incorporated in the procedure. The procedure can give not only global response of earth structure, such as displacement, pore pressure, and acceleration response, but also local stress path and stress-strain relationship of soil element. This paper presents the theoretical basis of the numerical procedure as well as example of flow-liquefaction deformation analysis .

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更新日期/Last Update: 2015-11-06