DocumentCode :
1542799
Title :
A Perturbation Method for the 
Geometric Eddy-Current Formulation
Author :
Codecasa, Lorenzo ; Dular, Patrick ; Specogna, Ruben ; Trevisan, Francesco
Author_Institution :
Dipt. di Elettron. ed Inf., Politec. di Milano, Milan, Italy
Volume :
46
Issue :
8
fYear :
2010
Firstpage :
3045
Lastpage :
3048
Abstract :
A perturbation method for the T-Ω geometric formulation to solve eddy-current problems is introduced. The proposed formulation is applied to the feasibility design of a nondestructive evaluation device suitable to detect “long” longitudinal flaws in hot steel bars.
Keywords :
eddy currents; perturbation theory; T-Ω geometric formulation; eddy-current formulation; hot steel bars; longitudinal flaws; nondestructive evaluation device; perturbation method; Bars; Dissolved gas analysis; Electric potential; Electromagnetic fields; Equations; Finite element methods; Magnetic flux; Moment methods; Perturbation methods; Steel; Cell method (CM); discrete geometric approach (DGA); eddy-currents; finite integration technique (FIT); perturbation method;
fLanguage :
English
Journal_Title :
Magnetics, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9464
Type :
jour
DOI :
10.1109/TMAG.2010.2043932
Filename :
5512858
Link To Document :
