dielectric scattering 1fft acceleration 1large time steps 1multiscale metasurfaces 1time-domain integral equations 1
From the 1 of 2 linked papers with an AI index.
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
The paper presents a method to use much larger time steps in a time‑domain volume integral equation solver for dielectric scattering, employing a matrix‑free FFT approach to accele…