Synthesis and application of weight function for edge cracked semicircular disk (ECSD)

被引：3
|
作者：
Surendra, K. V. N. [1 ]
Simha, K. R. Y. [1 ]
机构：
[1] Indian Inst Sci, Dept Mech Engn, Bangalore 560012, Karnataka, India
来源：
ENGINEERING FRACTURE MECHANICS | 2013年 / 107卷
关键词：
Elasticity; Semicircular disk; Weight function; Stress intensity factor; Form factor; STRESS INTENSITY FACTOR; MODE-I; SPECIMEN;
D O I：
10.1016/j.engfracmech.2013.05.010
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
We analyze the utility of edge cracked semicircular disk (ECSD) for rapid assessment of fracture toughness using compressive loading. Continuing our earlier work on ECSD, a theoretical examination here leads to a novel way for synthesizing weight functions using two distinct form factors. The efficacy of ECSD mode-I weight function synthesized using displacement and form factor methods is demonstrated by comparing with finite element results. Theory of elasticity in conjunction with finite element method is utilized to analyze crack opening potency of ECSD under eccentric compression to explore newer configurations of ECSD for fracture testing. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：61 / 79
页数：19
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