Accurate solutions of scattering problems involving low-contrast dielectric objects with surface integral equations
IET Seminar Digest
MetadataShow full item record
Please cite this item using this persistent URLhttp://hdl.handle.net/11693/26958
We present the stabilization of the surface integral equations for accurate solutions of scattering problems involving low-contrast dielectric objects. Unlike volume formulations, conventional surface formulations fail to provide accurate results for the scattered fields when the contrast of the object is small. Therefore, surface formulations are required to be stabilized by extracting the nonradiating parts of the equivalent currents. In addition to previous strategies for the stabilization, we introduce a novel procedure called field-based stabilization (FBS) based on using fictitious incident fields and rearranging the right-hand-side of the equations. The results show that the formulations using FBS provide accurate results even for scattering problems involving extremely low-contrast objects, while the extra cost due to the stabilization procedure is negligible.
- Conference Paper 2294
Showing items related by title, author, creator and subject.
Boriskin, A.V.; Nosich, A.I.; Altintas, A. (IEEE Computer Society, 2001)The effect of a localized light source directivity improvement due to an arbitrarily shaped dielectric cylinder taken as a 2-D model of a dielectric lens is studied. The source is simulated by the field of a complex ...
Manipulation of Backscattering from a Dielectric Cylinder of Triangular Cross-Section Using the Interplay of GO-Like Ray Effects and Resonances Sukharevsky I.O.; Nosich, A.I.; Altintas, A. (Institute of Electrical and Electronics Engineers Inc., 2015)A triangular dielectric cylinder (dielectric prism) of the size, in cross-section, comparable to or moderately larger than the wavelength is a scatterer, which blends together two different types of electromagnetic behavior: ...
Natarov, D.M.; Benson, T.M.; Altintas, A.; Sauleau, R.; Nosich, A.I. (2010)The problem of the H-polarized wave scattering by finite chains of circular nanowires is considered. A two-dimensional diffraction problem with rigorous boundary conditions is solved by partial separations of variables ...