IEEE Antennas and Propagation Society Symposium, Vol. 1, pp. 387-390, June 20-25, 2004

Concurrent Complementary Operators Method for the Absorption of Evanescent Waves in Frequency-Domain Finite Element Simulations [Waveguides]

X. Wu, O. Ramahi
University of Maryland
College Park, MD 20742


This work shows that in frequency domain open-region finite element method (FEM) simulations, the reflected evanescent waves in waveguides can be effectively annihilated when using the concurrent complementary operators method (C-COM). Numerical results for both evanescent TE and TM modes in a parallel plate waveguide are provided.

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