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math.NA2026
Spherical Perfectly Matched Layer Method for Electromagnetic Scattering Problems with Large Wave Number
Jian Shi, Yonglin Li, Haijun Wu
We study a spherical perfectly matched layer (PML) method for the time-harmonic Maxwell scattering problem with large wavenumber. Using vector spherical harmonics and a modal trans…
math.NA2026
The effect of numerical integration in the FEM for elliptic problems with mixed boundary conditions
Juan Han, Haijun Wu
This paper investigates the impact of quadrature accuracy for volume and face integrals in the finite element method using -th order polynomial shape functions for elliptic prob…