Analysis of a Finite Element Model of 2- D Elastic- Plastic Crack

SONG Xin; ZHANG Jia-Zhen

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Analysis of a Finite Element Model of 2- D Elastic- Plastic Crack

更新时间：2026-07-10

- Analysis of a Finite Element Model of 2- D Elastic- Plastic Crack
- Vol. 13, Issue 5, Pages: 9-13(2008)
- 作者机构：
  
  [1]哈尔滨理工大学机械动力工程学院,黑龙江,哈尔滨,150080
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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SONG Xin, ZHANG Jia-Zhen. Analysis of a Finite Element Model of 2- D Elastic- Plastic Crack[J]. 2008, 13(5): 9-13.
DOI：

SONG Xin, ZHANG Jia-Zhen. Analysis of a Finite Element Model of 2- D Elastic- Plastic Crack[J]. 2008, 13(5): 9-13. DOI：

摘要

摘　　要：利用非线性有限元软件ABAQUS，以较少的单元建立了模拟循环载荷下裂尖参数变化的二维弹塑性有限元模型，通过应力、位移及塑性区尺寸等裂尖参数的有限元计算值与力学公式计算的理论值的比较，分析了不同单元类型对裂尖参数的影响，为解决有应力集中的二维弹塑性有限元问题提供了一种高效准确的模型．

Abstract

An effective two -dimensional elastic -plastic finite element model has been set up to model the change of crack tip parameters under cycle loading. The non - linear finite element software

ABAQUS

has been used in this analysis. The calculated results of the crack tip parameters

such as stress

displacement and plastic zone size

have been compared with the results obtained by the Fracture Mechanics laws. The effects of the differ- ent element types on the crack tip parameters have been analyzed. It is found that the two -dimensional elastic - plastic finite element method is an effective model to solve the near crack tip stress concentration problem under cycle loading.

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