KAUST DepartmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Physical Sciences and Engineering (PSE) Division
Electrical Engineering Program
Division of Computer, Electrical, and Mathematical Science and Engineering, KAUST, Thuwal, 23955-6900, Saudi Arabia
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AbstractSolution of the magnetic field integral equation (MFIE), which is obtained by the classical marching on-in-time (MOT) scheme, becomes inaccurate when the time step is large, i.e., under low-frequency excitation. It is shown here that the inaccuracy stems from the classical MOT scheme’s failure to predict the correct scaling of the current’s Helmholtz components for large time steps. A recently proposed mixed discretization strategy is used to alleviate the inaccuracy problem by restoring the correct scaling of the current’s Helmholtz components under low-frequency excitation.
CitationUlku HA, Bogaert I, Cools K, Andriulli FP, Bagci H (2017) Mixed Discretization of the Time Domain MFIE at Low Frequencies. IEEE Antennas and Wireless Propagation Letters: 1–1. Available: http://dx.doi.org/10.1109/LAWP.2017.2651045.