A novel nonlinear solution for the polygon scaled boundary finite element method and its application to geotechnical structures

被引：70
|
作者：
Chen, Kai [1 ,2 ]
Zou, Degao [1 ,2 ]
Kong, Xianjing [1 ,2 ]
Chan, Andrew [3 ,4 ]
Hu, Zhiqiang [1 ,2 ]
机构：
[1] Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Liaoning, Peoples R China
[2] Dalian Univ Technol, Sch Hydraul Engn, Dalian 116024, Liaoning, Peoples R China
[3] Univ Tasmania, Sch Engn, Hobart, Tas 7001, Australia
[4] Univ Tasmania, ICT, Hobart, Tas 7001, Australia
来源：
COMPUTERS AND GEOTECHNICS | 2017年 / 82卷
基金：
中国国家自然科学基金;
关键词：
Polygon element; Elasto-plastic; Scaled boundary finite element; Finite element method; SOIL-STRUCTURE INTERFACE; FACE ROCKFILL DAM; GENERALIZED PLASTICITY; GRAVELLY SOILS; INTERPOLANTS; CONSTRUCTION; PROPAGATION; SIMULATION; FRAMEWORK; MODEL;
D O I：
10.1016/j.compgeo.2016.09.013
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The polygon scaled boundary finite element method is semi-analytical and known for its high precision. However, the material nonlinearity cannot be maintained because this method uses an analytical solution in the radial direction. In this paper, a novel nonlinear algorithm is developed by introducing internal Gaussian points over a subdomain. The response of nonlinearity for a concrete-faced rockfill dam is modeled. The results correspond well with the results from finite element modelling, which demonstrates the method can be used to describe the nonlinear characteristics of geomaterials. Furthermore, this method offers promising flexibility for analyzing complex geometries without decreasing the precision. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：201 / 210
页数：10
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