3-D eddy current modeling for evaluating the fracture parameters by a new method based on the variation of the impedance

被引：5

作者：

Harzallah, Salaheddine ^{[1
]}

Chabaat, Mohamed ^{[1
]}

机构：

[1] Univ Sci & Technol Houari Boumediene, Built Environm Res Lab, Dept Struct & Mat, Fac Civil Engn, BP 32 El Alia Bab Ezzouar, Algiers 16111, Algeria

来源：

INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS | 2017年 / 53卷 / 02期

关键词：

3-D eddy currents; fracture mechanics; stress intensity factor; j-integral; impedance variation; STRESS INTENSITY FACTORS; FINITE-ELEMENT-METHOD; NONDESTRUCTIVE EVALUATION; TENSION SPECIMENS; WEIGHT-FUNCTIONS; FATIGUE CRACKS; DISPLACEMENT; ORDER; PROBE; DEFORMATION;

D O I：

10.3233/JAE-160073

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new approach for computing fracture mechanics parameters such as the Stress Intensity Factor (SIF) and the Energy Release Rate (J) by measuring and testing related Eddy currents is presented. These parameters are evaluated using the variation of the impedance. In the process, a magnetic vector is formulated from the theoretical set up and obtained results from relevant applications are checked for the theory consistency. Besides, cracks detection as well as their propagationis are studied through the two parameters SIF and J-integral. A simulation by a numerical approach using Finite Element discretization of 3-D governing equations is employed to detect damaged zones and cracks. Obtained results are compared and agreed with those of other researchers.

引用

页码：371 / 385

页数：15

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