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Absorbing boundary condition for vector and scalar potentials arising in electromagnetic finite element analyses in frequency and time domains," in Proc. IEEE Antennas Propagar. Soc. Symp., 199 1. J. R. Brauer, J. F. Lee, and R. Mittra, "Quadrilateral finite elements for open boundaries of three-dimensional magnetostatic finite element models," in IEEE INTERMAG Conf., St. Louis, Apr. 1992. R. Plonsey and R. E. Collin, Principles and Applications of Electromagnetic Fields.J. R. Brauer, L. A. Larkin, and B. E. MacNeal, "Higher order 3D isoparametric finite elements for improved magnetic field calculation accuracy,"Abstract-As electronic system complexity increases, the design and analysis tools must keep pace. In the mechanics, structures, and fluids disciplines, numerical tools, such as finiteelement analysis (FEA) have become commonplace in the designers tool kit. In electromagnetics (EM) such analysis tools are still in their infancy. Electromagnetic compatibility (EMC) analysis has been primarily limited to the analysis of simple equivalent circuit models or measurements of a completed design. Few reliable methods exist to predict the EMC of a complex system or group of systems before it leaves the designer's desk. Powerful electromagnetic software based on FEA techniques is now becoming commercially available. These programs are potentially capable of analyzing the complex electromagnetic environment surrounding modern shipboard electronic systems and/or antennas. This paper discusses the output of one FEA program used as a compartmental EMC predictive tool. The FEA program results are compared to the calculated results from a typical radiating EM1 source, a radiating wire over a ground plane, and compares both predictions with validating measurements.

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