Algorithm for J-integral Measurement by Digital Image Correlation Method

被引：2
|
作者：
Titkov, V. V. [1 ]
Panin, S. V. [1 ,2 ]
Eremin, A. V. [1 ]
Kozulin, A. A. [3 ]
Lyubutin, P. S. [1 ]
机构：
[1] SB RAS, Inst Strength Phys & Mat Sci, Tomsk 634055, Russia
[2] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia
[3] Natl Res Tomsk State Univ, Tomsk 634050, Russia
来源：
PROCEEDINGS OF THE ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES | 2018年 / 2051卷
关键词：
D O I：
10.1063/1.5083548
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper deals with the development of the technique for J-integral computation using the vector fields obtained by digital image correlation method. The proposed computing algorithm includes several steps following each other: (i) construction of displacement vector field; (ii) calculation of deformations and stresses; (iii) calculation of the J-integral value. A comparative study of the results obtained by the proposed technique and by finite element simulation was carried out. The errors of the data modeled in the ANSYS from the computed J-integral values were estimated at various tensile loads.
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页数：5
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