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Towards a Stable Two-Dimensional Time-Domain Source-Model Solution by Use of a Combined Source Formulation

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2 Author(s)
Ludwig, A. ; Dept. of Electr. Eng., Technion-Israel Inst. of Technol. ; Leviatan, Y.

The application of the source-model technique to the solution of two-dimensional (2-D) transient scattering problems directly in the time domain is described. Special attention is given to the accuracy and the stability of the numerical solution scheme. A detailed comparison is made between the more often used single-type-source solution scheme and a newly proposed combined-source solution scheme. It is found that the combined-source scheme can offer a significant advantage in terms of stability, without any appreciable loss in accuracy, over the single-type-source scheme

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Antennas and Propagation, IEEE Transactions on  (Volume:54 ,  Issue: 10 )