Identification of crack depths from eddy current testing signal

被引：21
作者：
Fukutomi, H [1 ]
Huang, HY [1 ]
Takagi, T [1 ]
Tani, J [1 ]
机构：
[1] Inst Fluid Sci, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1998年 / 34卷 / 05期
关键词：
eddy current testing; steam generator tubes; inverse problems; finite element methods; reduced magnetic vector potentials; pre-computed unflawed database approach; meshless crack representation technique; trust region method;
D O I：
10.1109/20.717674
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：
This paper demonstrates the identification of crack depths using signals obtained from eddy current testing (ECT), The identification method is based on finite elements with the pre-computed unflawed database approach and a meshless crack representation technique, and parameter estimation in non-linear problems. Four different cracks are estimated by using laboratory data.
引用
收藏
页码：2893 / 2896
页数：4
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