Hysteretic behavior modeling of elastoplastic materials

被引：2

作者：

Sumarac, Dragoslav ^{[1
]}

Medjo, Bojan ^{[2
]}

Trisovic, Natasa ^{[3
]}

机构：

[1] Univ Belgrade, Fac Civil Engn, Bulevar Kralja Aleksandra 73, Belgrade 11000, Serbia

[2] Univ Belgrade, Fac Technol & Met, Belgrade 11000, Serbia

[3] Univ Belgrade, Fac Mech Engn, Belgrade 11000, Serbia

来源：

THEORETICAL AND APPLIED MECHANICS | 2008年 / 35卷 / 1-3期

关键词：

cyclic plasticity; Preisach model; cyclic bending;

D O I：

10.2298/TAM0803287S

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In the present paper the Preisach model of hysteresis is applied to model cyclic behavior of elasto-plastic material. Rate of loading and viscous effects will not be considered. The problem of axial loading of rectangular cross section and cyclic bending of rectangular tube (box) will be studied in details. Hysteretic stress-strain loop for prescribed history of stress change is plotted for material modeled by series connection of three unite element. Also moment-curvature hysteretic loop is obtained for a prescribed curvature change of rectangular tube (box). One chapter of the paper is devoted to results obtained by FEM using Finite Element Code ABAQUS. All obtained results clearly show advantages of the Preisach model for describing cyclic behavior of elasto-plastic material.

引用

页码：287 / 304

页数：18

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