20.500.12556/DiRROS-27964 An RBF-based method for computational electromagnetics with reduced numerical dispersion The finite difference time domain method is one of the simplest and most popular methods in computational electromagnetics. This work considers two possible ways of generalising it to a meshless setting by employing local radial basis function interpolation. The resulting methods remain fully explicit and are convergent if properly chosen hyperviscosity terms are added to the update equations. We demonstrate that increasing the stencil size of the approximation has a desirable effect on numerical dispersion. Furthermore, our proposed methods can exhibit a decreased dispersion anisotropy compared to the finite difference time domain method. finite difference time domain meshless radial basis function hyperviscosity dispersion telecommunication protocols disperzija telekomunikacijski protokoli true false true Elsevier Nizozemska Angleški jezik Slovenski jezik © 2026 The Author(s). Neznano 2026-03-03 14:06:39 2026-03-03 14:06:39 2026-03-04 03:44:47 0000-00-00 00:00:00 2026 0 0 Nasl. z nasl. zaslona; Opis vira z dne 3. 3. 2026; str. 1-23 Vol. 454, [article no.] 118865 Jun. 2026 0000-00-00 Zaloznikova Objavljeno NiDoloceno 2025-10-22 2026-02-18 2026-02-25 537 1879-2138 10.1016/j.cma.2026.118865 270264579 https://www.sciencedirect.com/science/article/pii/S0045782526001398 1 d2493dea-1701-11f1-8c73-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=41204 RAZ_Kolar-Pozun_Andrej_2026.pdf RAZ_Kolar-Pozun_Andrej_2026.pdf 1 8E997222AC901CD99C2535AC2DF5D6EB b7a1c3dc558d428c09cfd4ace3d2ad38e9bf06f5a7152799b9df48a3ee0cab9b 0bcde10e-1702-11f1-8c73-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=41205 Institut Jožef Stefan 0 0 0