Simulation of penetration of a foundation element in Tresca soil using the generalized interpolation material point method (GIMP)

被引：24

作者：

Woo, Sang Inn ^{[1
]}

Salgado, Rodrigo ^{[2
]}

机构：

[1] Seoul Natl Univ, Dept Civil & Environm Engn, Seoul 08826, South Korea

[2] Purdue Univ, Sch Civil Engn, W Lafayette, IN 47907 USA

来源：

COMPUTERS AND GEOTECHNICS | 2018年 / 94卷

基金：

新加坡国家研究基金会;

关键词：

Large deformation; Material point method; Penetration; Generalized interpolation material point method; CONE PENETRATION; LARGE-DEFORMATION; LIQUEFACTION RESISTANCE; BEARING CAPACITY; DYNAMIC PROBLEMS; MESH REFINEMENT; CPT; GEOMECHANICS; SANDS; INTEGRATION;

D O I：

10.1016/j.compgeo.2017.08.007

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper presents a methodology to simulate penetration of a foundation element in Tresca soil using the generalized interpolation material point method (GIMP). The methodology relies on block-structured rectilinear background grids with hanging nodes to improve computational efficiency. For both efficiency and accuracy, material points are split into smaller material points as they enter grid elements that are not sufficiently large in comparison. Moving and compressible background grids are used to handle velocity boundary conditions. Comparison of simulations of foundation response during vertical, quasi static motion with previous solutions illustrate the effectiveness and efficiency of the proposed schemes. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：106 / 117

页数：12

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