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Exposure Assessment Using the Dual-Grid Finite-Difference Time-Domain Method

Abstract : A new way to carry out numerical cellular telephone simulation in the presence of the head is presented. Here, two finite-difference time-domain (FDTD) simulations with different spatial and time resolutions are sequentially combined to perform a dual-grid FDTD (DG-FDTD) simulation. The DG-FDTD approach has the significant advantages to remain stable along the computation and to be easy to implement in a typical FDTD code. When compared with classical FDTD analysis, the DG-FDTD approach exhibits a reduction in computation time and memory requirements by a factor of 2.3 and 3.2, respectively, while providing accurate results both in near-field and far-field radiation.
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Romain Pascaud, Raphaël Gillard, Renaud Loison, Joe Wiart, Man-Faï Wong. Exposure Assessment Using the Dual-Grid Finite-Difference Time-Domain Method. IEEE Microwave and Wireless Components Letters, Institute of Electrical and Electronics Engineers, 2008, vol. 18, pp. 656-658. ⟨10.1109/LMWC.2008.2003448⟩. ⟨hal-00958446⟩

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