• DocumentCode
    1016058
  • Title

    Reluctivity characteristics in nonlinear finite element analysis of magnetostatic fields

  • Author

    Hoole, S. Ratnajeevan H ; Hoole, N.Ratnasuneeran G.

  • Author_Institution
    Drexel University, Philadelphia, PA
  • Volume
    22
  • Issue
    5
  • fYear
    1986
  • fDate
    9/1/1986 12:00:00 AM
  • Firstpage
    1352
  • Lastpage
    1353
  • Abstract
    In the finite element analysis of nonlinear magnetic materials, it is commonly convenient [1] to model reluctivity ν, the inverse of permeability µ, as k_{1} \\exp (k_{2}B^{2}) + k_{3} . The constants k_{1}, k_{2} and k3are derived by trial and error [1]. We communicate a faster and more accurate way of computing these constants systematically, by applying the Newton process to the equations for the constants. Experience with this and the other standard reluctivity curve model using spline fits [2], in finite element analysis, is also commented on.
  • Keywords
    FEM; Finite-element method (FEM); Newton´s method; Nonlinear magnetics; Bismuth; Finite element methods; Helium; Magnetic analysis; Magnetostatics; Nonlinear equations; Nonlinear magnetics; Permeability; Polynomials; Spline;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/TMAG.1986.1064317
  • Filename
    1064317
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1016058