Microwave and Optical Technology Letters, Vol. 32, No. 4, pp. 272-275, February, 2002

Application of the Concurrent Complementary Operators Method to Numerically-Derived Absorbing Boundary Conditions

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

Abstract: The Concurrent Complementary Operators Method (C-COM) has been demonstrated to be a highly effective mesh truncation technique for simulation of electromagnetic open-region transient or time-harmonic problems. In previous work, the C-COM was applied to analytically derived absorbing boundary conditions (ABCs). In this work, we show that the C-COM can be applied to the wider class of highly effective and versatile numerically derived ABCs. As a demonstration of the validity of this generalization, we consider the case of Liao ABC and show that high accuracy can be obtained.

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