Time-dependent wave splitting and source separation

Abstract : Starting from classical absorbing boundary conditions, we propose a method for the separation of time-dependent scattered wave fields due to multiple sources or obstacles. In contrast to previous techniques, our method is local in space and time, deterministic, and also avoids a priori assumptions on the frequency spectrum of the signal. Numerical examples in two space dimensions illustrate the usefulness of wave splitting for time-dependent scattering problems.
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Marcus Grote, Marie Kray, Frédéric Nataf, Franck Assous. Time-dependent wave splitting and source separation. Journal of Computational Physics, Elsevier, 2017, 330, pp.981-996. ⟨10.1016/j.jcp.2016.10.021⟩. ⟨hal-01216117⟩

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