2020 | OriginalPaper | Chapter
Dispersion Correction for Helmholtz in 1D with Piecewise Constant Wavenumber
Authors : Pierre-Henri Cocquet, Martin J. Gander, Xueshuang Xiang
Published in: Domain Decomposition Methods in Science and Engineering XXV
Publisher: Springer International Publishing
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The Helmholtz equation is the simplest model for time harmonic wave propagation, and it contains already all the fundamental difficulties such problems pose when trying to compute their solution numerically.