SKM 2023 – scientific programme
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MM: Fachverband Metall- und Materialphysik
MM 12: Poster I
MM 12.9: Poster
Monday, March 27, 2023, 18:15–20:00, P2/OG1+2
Computational local point-based boundary conditions method for eigenfrequencies in microwave eccentric spherical cavities — •Zoya Eremenko1, Igor Volovichev1, Oleksiy Breslavets1, and Grigorios Zouros2 — 1O. Ya. Usikov Inst. for Rad. & Electr. Nat. Acad. of Sci. of Ukraine Kharkiv, Ukraine — 2School of Electrical & Comp. Eng. Nat. Tech. Univ. of Athens, Athens, Greece
We have elaborated a new method for solving the electrodynamic problem for a resonant structure like a spherical cavity with a spherical dielectric inhomogeneity is randomly located without any limitations. The main feature of the method is the ability to satisfy the boundary conditions at the interface between two dielectric media at individual points located on these boundaries. There is no need to integrate and formulate boundary conditions for each basic mode, as it is usually done by classical methods for solving electrodynamic problems in the frequency domain. We carry out a numerical study to compute the eigenfrequencies in such eccentric configurations. We validate the results and compare the computational efficiency of our method with HFSS commercial software.