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

页码：2381 / 2394

页数：14

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