A new method of crack-tip opening displacement determined based on maximum crack opening displacement

被引：18
|
作者：
Huang Yi [1 ]
Chen Jingjie [1 ]
Liu Gang [1 ]
Yang Hongbiao [1 ]
机构：
[1] Dalian Univ Technol, Sch Naval Architecture, Dalian 116024, Peoples R China
来源：
ENGINEERING FRACTURE MECHANICS | 2011年 / 78卷 / 07期
关键词：
Crack-tip opening displacement; Maximum crack opening displacement; Center cracked plate; Elastic-plastic finite element simulation; HARDENING MATERIAL; DEFORMATION; STATIONARY; PIPELINES;
D O I：
10.1016/j.engfracmech.2011.01.008
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper a new method is presented to determine the crack-tip opening displacement (CTOD) for the center cracked plate with uniaxial uniform tension load. The maximum crack opening displacement (MCOD) is adopted to estimate CTOD. Based on the series of calculation results by elastic-plastic finite element simulation, an explicit function expression for the CTOD versus MCOD is determined, which enables to consider the influence effects of crack geometries, plate sizes, applied loads, plane state and material properties. Hence, the presented method of CTOD determined by MCOD is suitable to any center crack finite plate of any material under uniaxial tension. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1441 / 1451
页数：11
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