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- W2075789727 abstract "In this paper we propose a new approach for absorbing boundary reflections during numerical simulation of the seismic wave field. This is the first attempt towards attenuating spurious reflections from the boundary of a model by adding Huygens’ secondary sources in a transition zone surrounding the model. These secondary sources create destructive interference and cancel the wavefield outside the transition zone. Huygens’ sources are derived from an analytical formulation which is based on a symbolic equation and therefore do not depend either on the nature of the wave equation or for instance on the order of the finite difference scheme used. However during numerical simulation, the noise introduced due to the discretization on the problem, needs to be absorbed using other techniques." @default.
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- W2075789727 date "1994-01-01" @default.
- W2075789727 modified "2023-09-23" @default.
- W2075789727 title "Absorbing boundaries with Huygens' secondary sources" @default.
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- W2075789727 doi "https://doi.org/10.1190/1.1822784" @default.
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