2 papers
physics.optics2026
Causality-Aware Interaction Selection for Retarded Green-Function Assembly
Sushil Kumar, Wolf van der Hert, Giampiero Gerini +1
In time-domain integral-equation (TDIE) solvers, the assembly of the retarded Green-function interactions remains a major computational bottleneck. We present a causality-aware ass…
physics.optics2026
Large-Time-Step Operation in a Volume Integral Equation for Dielectric Scattering
Sushil Kumar, Giampiero Gerini, M. C. van Beurden
In transient electromagnetic analysis, explicit time-domain solvers are restricted by the Courant-Friedrichs-Lewy (CFL) condition, making finely discretized dielectric scattering p…