Mixed-Order Finite Elements for the Solution of Three-Dimensional Electromagnetic Fields.
Interim rept. Sep 83-Sep 84,
CARNEGIE-MELLON UNIV PITTSBURGH PA DEPT OF ELECTRICAL AND COMPUTER ENGINEERING
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A new method of modeling electromagnetic waves by the finite element method is presented. The method is based on a numerical formulation in which different orders of polynomials are used to approximate the three different components of either the electric or the magnetic field vectors. It provides a reliable procedure for the finite element solution of three-dimensional electromagnetic field problems. Heretofore, such solutions were plagued by the presence of spurious modes. The new method is applied to the analysis of fields in resonant electromagnetic cavities. Keywords Bistatic scattering Finite element analysis Cloning Measurements.
- Fluid Mechanics