Hybrid-mixed stress model for the nonlinear analysis of concrete structures

被引：12
|
作者：
Silva, CM [1 ]
Castro, LMSS [1 ]
机构：
[1] Univ Tecn Lisboa, Dept Civil Engn & Architecture, P-1049001 Lisbon, Portugal
来源：
COMPUTERS & STRUCTURES | 2005年 / 83卷 / 28-30期
关键词：
finite elements; hybrid-mixed stress models; continuum damage mechanics; concrete plates;
D O I：
10.1016/j.compstruc.2005.03.031
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This communication reports on the nonlinear analysis of 2D concrete structures using an hybrid-mixed stress formulation and continuum damage mechanics. The finite element model adopted is based on the direct and independent approximation of three fields: the stress and displacement fields in the domain of each element and the displacement field on the static boundary. The nonlinear behavior of the material is modelled using both a local and nonlocal isotropic damage model. Two numerical examples are presented to illustrate and validate the use of such numerical technique. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2381 / 2394
页数：14
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