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New optimization parameters for the nonstandard FDTD method

✍ Scribed by Tadao Ohtani; Kenji Taguchi; Tatsuya Kashiwa

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
101 KB
Volume
47
Category
Article
ISSN
0895-2477

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✦ Synopsis

In this paper, new simpler optimization parameters for the nonstandard FDTD (NS-FDTD) method are proposed by redefining the spatial-difference operator. Consequently, the number of optimization parameters required in the method is reduced to one from two in 2D space, and three from nine in 3D space, respectively. In addition, it is shown that the NS-FDTD method using new optimization parameters has more accurate characteristics than the NS-FDTD method using conventional parameters.

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