대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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변요소법을 이용한 3차원 와전류 문제의 유한요소 해석

3D Finite Element Analysis of Eddy Current Using Edge Elements

  • 홍승표 (충북대학교 전기공학과) ;
  • 류재섭 (충북대학교 전기공학과) ;
  • 고창섭 (충북대학교 전기공학과)
  • Hong, S.P. (Dept. of Electrical Engineering, Chungbuk National Univ.) ;
  • Ryu, J.S. (Dept. of Electrical Engineering, Chungbuk National Univ.) ;
  • Koh, C.S. (Dept. of Electrical Engineering, Chungbuk National Univ.)
  • 발행 : 2000.11.25
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초록

A numerical method for the analysis of 3D eddy current in conductors due to applied time varying field is suggested using the finite element method. In the approximation of the field quantifies, the edge element is used, because it reduce the required computer memory and the computing time compared with the nodal elements. With edge elements, furthermore, the field governing equations become simple because the electric scalar potential ${\phi}$ can be set to zero. The modified magnetic vector potential($A^*$) is used as a state variable. The analysed results are compared with the experimentally measured ones for the TEAM workshop problem3.

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