ABSTRACT Finite element method (FEM) is employed in this paper to conduct the comparative study of the shielding properties of enclosure with outer and inner excitations. Plane wave is adopted for the outer excitation case while coaxial cable is utilized to model the inner excitation source. Moreover, the resonance phenomena of slotted enclosure under different excitation are studied in detail. Finally, some conclusions with regard to the relationships and distinctions between the inner and outer excitations for the same enclosure are proposed.
Cite this paper
B. Nie and P. Du, "Comparative Study of the Shielding Properties of Slotted Enclosure with Inner or Outer Excitations Using FEM," Open Journal of Applied Sciences, Vol. 3 No. 2, 2013, pp. 47-50. doi: 10.4236/ojapps.2013.32B009.
 B. L. Nie, P. A. Du, Y. T. Yu and Z. Shi, “Study of the Shielding Poperties of Enclosures with Apertures at Higher Frequencies Using the Transmission-line Modeling Method,” IEEE Transactions on Electromagnetic Compatibility, Vol. 53, No. 1, 2011, pp. 73-81. doi:10.1109/TEMC.2010.2047398
 R. Araneo and G. Lovat, “An Efficient MoM Formulation for the Evaluation of Shielding Effectiveness of Rectangular Enclosures with Thin and Thick Apertures,” IEEE Transactions on Electromagnetic Compatibility, Vol. 50, No. 2, 2008, pp. 294-304. doi:10.1109/TEMC.2008.919031
 M. P. Robinson, T. M. Benson, C. Christopoulos, J. F. Dawson, M. D. Ganley, A. C. Marvin, S. J. Porter and D. W. P. Thomas, “Analytical Formulation for the Shielding Effectiveness of Enclosures with Apertures,” IEEE Transactions on Electromagnetic Compatibility, Vol. 40, No. 3,1998, pp. 240-248. doi:10.1109/15.709422
 M. Li, K. P. Ma, D. M. Hockanson, J. L. Drewniak, T. H. Hubing and T. P. V. Doren, “Numerical and Experimental Corroboration of an FDTD Thin-slot Model for Slots Near Corners of Shielding Enclosures,” IEEE Transactions on Electromagnetic Compatibility, Vol. 39, No. 3, 1997, pp. 225-232. doi:10.1109/15.618050
 M. Li, J. Nuebel, J. L. Drewniak, R. E. DuBroff, T. H. Hubing, and T. P. V. Doren, “EMI From Airflow Aperture Arrays in Shielding Enclosures—Experiments, FDTD, and MoM Modeling,” IEEE Transactions on Electromagnetic Compatibility, Vol. 42, No. 3, 2000, pp. 265-275. doi:10.1109/15.865333
 J. M. Jin, “The Finite Element Method in Electromagnetics,” 2nd Edition, New York: Wiley, 2002.