On nonlocal regularization in one dimensional finite strain elasticity and plasticity

被引：3
|
作者：
Driemeier, L [1 ]
Comi, C
Proença, SPB
机构：
[1] Univ Sao Paulo, Dept Mechatron & Mech Syst Engn, BR-05508900 Sao Paulo, Brazil
[2] Politecn Milan, Dept Struct Engn, I-20133 Milan, Italy
[3] Univ Sao Paulo, Dept Struct Engn, BR-13560570 Sao Carlos, SP, Brazil
来源：
COMPUTATIONAL MECHANICS | 2005年 / 36卷 / 01期
关键词：
localization; plasticity; large strains;
D O I：
10.1007/s00466-004-0640-7
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The purpose of this article is to explore in details the theoretical and numerical aspects of the behavior of spatial trusses, undergoing large elastic and/ or elastoplastic strains. Two nonlocal formulations are proposed in order to regularize the problem, avoiding the mesh dependence of the numerical response. The classical example of a simple bar in tension is chosen to explore the various features of the proposed models and to highlight the interplay between material and geometrical nonlinearity in the localization.
引用
收藏
页码：34 / 44
页数：11
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