EDGE ELEMENTS AND THE INCLUSION CONDITION

被引:8
作者
CAORSI, S
FERNANDES, P
RAFFETTO, M
机构
[1] Department of Electronics, University of Pavia, Pavia
[2] CNR-IMA
[3] DIBE-University of Genoa
来源
IEEE MICROWAVE AND GUIDED WAVE LETTERS | 1995年 / 5卷 / 07期
关键词
D O I
10.1109/75.392281
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
For many years the finite element solution of electromagnetic eigenproblems has been corrupted by spurious modes. This work proves that tbe inclusion condition is sufficient but not necessary for the absence of nonzero frequency spurious modes. This is done by showing through a simple example that edge elements, a well known spurious-free technique, do not satisfy the inclusion condition.
引用
收藏
页码:222 / 223
页数:2
相关论文
共 6 条
  • [1] Pinchuk A.R., Crowley C.W., Silvester P.P., Spurious solutions to vector diffusion and wave field problems, IEEE Trans. Magn., 24, 1, pp. 158-161, (1988)
  • [2] Wong S.H., Cendes Z.J., Numerically stable finite element methods for the Galerkin solution of eddy current problems, IEEE Trans. Magn., 25, 4, pp. 3019-3021, (1989)
  • [3] Combined finite element-modal solution of three-dimensional eddy current problems, IEEE Trans. Magn., 24, 6, pp. 2685-2687, (1988)
  • [4] Dillon B.M., Liu P.T.S., Webb J.P., Spurious modes in quadrilateral and triangular edge elements, COMPEL, 13, pp. 311-316, (1994)
  • [5] Crowley C.W., Silvester P.P., Hurwitz H., Covariant projection elements for 3D vector field problems, IEEE Trans. Magn., 24, 1, pp. 397-400, (1988)
  • [6] Dillon B.M., Webb J.P., A comparison of formulations for the vector finite element analysis of waveguides, IEEE Trans. Microwave Theory Tech., 42, 2, pp. 308-316, (1994)