Dastour, Hatef; Liao, Wenyuan An optimal 13-point finite difference scheme for a 2D Helmholtz equation with a perfectly matched layer boundary condition. (English) Zbl 1458.65133 Numer. Algorithms 86, No. 3, 1109-1141 (2021). MSC: 65N06 35J05 PDFBibTeX XMLCite \textit{H. Dastour} and \textit{W. Liao}, Numer. Algorithms 86, No. 3, 1109--1141 (2021; Zbl 1458.65133) Full Text: DOI
Ganesh, M.; Morgenstern, C. A coercive heterogeneous media Helmholtz model: formulation, wavenumber-explicit analysis, and preconditioned high-order FEM. (English) Zbl 1436.35079 Numer. Algorithms 83, No. 4, 1441-1487 (2020). MSC: 35J05 65N30 35J20 65F08 65F10 PDFBibTeX XMLCite \textit{M. Ganesh} and \textit{C. Morgenstern}, Numer. Algorithms 83, No. 4, 1441--1487 (2020; Zbl 1436.35079) Full Text: DOI