A Memory-Efficient Hybrid Implicit–Explicit FDTD Method for Electromagnetic Simulation
As the explicit finite-difference time-domain (FDTD) method is restricted by the Courant−-Friedrich−-Levy (CFL) stability condition and inefficient for simulation in some situations, implicit methods are developed. The hybrid implicit−-explicit (HIE) FDTD method is one popular method among them. In...
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| Veröffentlicht in: | Applied Computational Electromagnetics Society journal 2022-07, Vol.37 (2), p.149 |
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| creator | Chen, Faxiang Li, Kang |
| description | As the explicit finite-difference time-domain (FDTD) method is restricted by the Courant−-Friedrich−-Levy (CFL) stability condition and inefficient for simulation in some situations, implicit methods are developed. The hybrid implicit−-explicit (HIE) FDTD method is one popular method among them. In this paper, a memory-efficient HIE FDTD method is designed for electromagnetic simulation. The proposed HIE-FDTD method is based upon the divergence relationship of electric fields, nearly reduces one field component, and realizes a memory reduction rate of 33% approximately. Two numerical experiments are carried out to validate the proposed method and the results indicate that the proposed memory-efficient HIE-FDTD method can work well. |
| doi_str_mv | 10.13052/2022.ACES.J.370202 |
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| subjects | Approximation Divergence Efficiency Electric fields Finite difference time domain method Implicit methods Linear equations Methods Simulation |
| title | A Memory-Efficient Hybrid Implicit–Explicit FDTD Method for Electromagnetic Simulation |
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