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An Explicit Fourth-Order Orthogonal Curvilinear Staggered-Grid FDTD Method for Maxwell's Equations

✍ Scribed by Zhongqiang Xie; Chi-Hou Chan; Bo Zhang

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
247 KB
Volume
175
Category
Article
ISSN
0021-9991

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✦ Synopsis

The explicit fourth-order staggered finite-difference time-domain scheme, previously proposed for a Cartesian grid, is extended to Maxwell's equations in an orthogonal curvilinear coordinate system and applied to electromagnetic wave problems. A simple technique is also presented for generating orthogonal curvilinear grids that conform to the material boundaries and interfaces of the problem. Numerical experiments are presented to illustrate the efficiency and accuracy of the method.

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