Absorbing boundary conditions for the numerical simulation of waves
Bjorn Engquist, Andrew Majda
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Source: Crossref
Published: Jan 1, 1977
DOI: 10.1090/s0025-5718-1977-0436612-4
Open original source ↗Source abstract
In practical calculations, it is often essential to introduce artificial boundaries to limit the area of computation. Here we develop a systematic method for obtaining a hierarchy of local boundary conditions at these artificial boundaries. These boundary conditions not only guarantee stable difference approximations but also minimize the (unphysical) artificial reflections which occur at the boundaries.
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