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Publikováno v:
Journal of Computational Physics
Journal of Computational Physics, 2021, 445, pp.110638. ⟨10.1016/j.jcp.2021.110638⟩
Journal of Computational Physics, 2021, 445, pp.110638. ⟨10.1016/j.jcp.2021.110638⟩
International audience; In this work we design and analyze new perfectly matched layers (PML) for a dispersive waves equation : the Klein Gordon equation. We show that because of the dispersion, classical PMLs do not guarantee the convergence to zero