A primal-dual algorithm for shakedown analysis of structures

被引：65
|
作者：
Vu, DK [1 ]
Yan, AM [1 ]
Nguyen-Dang, H [1 ]
机构：
[1] Univ Liege, Div ASMA Fracture Mech, B-4000 Cointe Ougree, Belgium
来源：
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2004年 / 193卷 / 42-44期
关键词：
shakedown analysis; limit analysis; duality; optimization;
D O I：
10.1016/j.cma.2004.03.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper describes a primal-dual algorithm for shakedown analysis of structures with the use of kinematically admissible finite elements. Starting from Koiter kinematic theorem, a primal-dual optimization condition is established by adopting static terms as complementary variables. Newton-like iterations are performed to give both upper and quasi-lower bounds of the load factor that converge rapidly to the accurate solution of shakedown limit. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：4663 / 4674
页数：12
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