• DocumentCode
    1542799
  • Title

    A Perturbation Method for the T-\\Omega 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