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Superabsorption-a method to improve absorbing boundary conditions [electromagnetic waves]

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2 Author(s)
K. K. Mei ; Dept. of Electr. Eng. & Comput. Sci., Califorina Univ., Berkeley, CA, USA ; J. Fang

The authors propose a technique, which they call superabsorption, for improving absorbing boundary conditions in finite-difference time-domain methods. This method can be applied to every known absorbing boundary condition and greatly reduces the numerical error caused by the boundary reflection. The principle and analysis of the superabsorption method are presented. Numerical tests indicating the improvements obtained on many absorbing boundary conditions are reported

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:40 ,  Issue: 9 )