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A second-order accurate method to a time domain analysis of wave propagation in an irregular mesh

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5 Author(s)
Kyung Choi ; Dept. of Electron. Eng., Kangwon Nat. Univ., Chunchon, South Korea ; S. J. Salon ; K. A. Conner ; H. K. Jung
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An implementation of a 2nd-order accurate technique to the general time-domain finite-element algorithm is presented for the analysis of microwave propagation. The 2nd-order accurate method can be easily obtained by using Taylor series expansion to the time derivative and added to a general mesh leap-frog scheme without additional computing efforts. Test results reveal that this algorithm is effective in reducing the dispersive errors of the irregular meshes. The TE10 mode step pulse, propagating in a rectangular waveguide is analyzed on a regular mesh

Published in:

IEEE Transactions on Magnetics  (Volume:32 ,  Issue: 3 )