On energy stable discontinuous Galerkin spectral element approximations of the perfectly matched layer for the wave equation - Duru, Kenneth; Alice-Agnes Gabriel; Kreiss, Gunilla (arXiv.org, 2018)
Keywords: Acoustic waves; Acoustics; Boundary conditions; Boundary element method; Convergence; Damping; Differential equations; Energy; Estimates; Fluxes; Galerkin method; Mathematics - Numerical Analysis; Numerical methods; Numerical stability; Perfectly matched layers; Spectral element method; Wave equations; Well posed problems