Double-Grid Finite-Difference Frequency-Domain (Dg-Fdfd) Method for Scattering from Chiral Objects (Synthesis Lectures on Computational Electromagnetics)

by Erdogan Alkan, Veysel Demir, Atef Z. Elsherbeni, and Ercument Arvas

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This book presents the application of the overlapping grids approach to solve chiral material problems using the FDFD method. Due to the two grids being used in the technique, we will name this method as Double-Grid Finite Difference Frequency-Domain (DG-FDFD) method. As a result of this new approach the electric and magnetic field components are defined at every node in the computation space. Thus, there is no need to perform averaging during the calculations as in the aforementioned FDFD technique [16]. We formulate general 3D frequency-domain numerical methods based on double-grid (DG-FDFD) approach for general bianisotropic materials. The validity of the derived formulations for different scattering problems has been shown by comparing the obtained results to exact and other solutions obtained using different numerical methods.
  • ISBN10 1627051465
  • ISBN13 9781627051460
  • Publish Date 1 January 2013
  • Publish Status Active
  • Imprint Morgan & Claypool
  • Format eBook
  • Pages 129
  • Language English