2 papers
math.NA2026
Computation of whispering gallery modes for spherical symmetric, heterogeneous Helmholtz problems with piecewise smooth refractive index
Bouchra Bensiali, Stefan Sauter
In this paper, we develop a numerical method for the computation of (quasi-)resonances in spherical symmetric, heterogeneous Helmholtz problems with piecewise smooth refractive ind…
math.NA2025
A spectral boundary element method for acoustic interference problems
Silvia Falletta, Stefan Sauter
In this paper we consider high-frequency acoustic transmission problems with jumping coefficients modelled by Helmholtz equations. The solution then is highly oscillatory and, in a…