EAN: 9783031005879

SYNTHESIS LECTURES ON COMPUTATIONAL ELECTROMAGN...

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. Table of Contents: Introduction   Chiral Media   Basics of the Finite-Difference
Frequency-Domain (FDFD) Method   The Double-Grid Finite-Difference Frequency-Domain (DG-FDFD)
Method for Bianisotropic Medium   Scattering FromThree Dimensional Chiral Structures  
ImprovingTime and Memory Efficiencies of FDFD Methods   Conclusions   Appendix A: Notations  
Appendix B: Near to Far FieldTransformation

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