Effects of weighting and damping coefficients on the accuracy of Higdon‐based absorbing boundary conditions

In this work, the effects of weighted difference schemes and damping factor on the spurious errors arising from the application of Higdon's absorbing boundary condition and the concurrent complementary operators method (C‐COM) are investigated. An optimized combination of the weighted difference scheme for boundary conditions and the damping term used to stabilize the boundary scheme are proposed to minimize the reflections. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 41: 446–448, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20166