The 2-D formulation of the method is presented and the time stability condition of the method is certified. Because of the utilize of the one-step leapfrog theory, the proposed algorithm not only has the same formulation as that used for the traditional FDTD, but also require only one-step computations. This new method investigates the use of a second-order accurate in time and a fourth-order accurate in space. School of Electrical and Information Engineering Xi’an Jiaotong University, Xi’an 710049, People’s Republic of ChinaĬomputational efficiency, dispersive error, Finite-Difference Time-Domain (FDTD), fourth order, Hybrid Implicit- and Explicit-FDTD (HIEFDTD), one-step leapfrog AbstractĪ new fourth-order one-step leapfrog hybrid implicit-explicit finite-difference time-domain (HIEFDTD) method has been proposed in this paper.
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January 2023
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