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Proc Natl Acad Sci U S A. 1977 May;74(5):1765-6.

Absorbing boundary conditions for numerical simulation of waves.

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  • 1Department of Computer Science, Uppsala University, Sturegatan 4B, Sweden.

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 artifical boundaries. These boundary conditions not only guarantee stable difference approximations, but also minimize the (unphysical) artificial reflections that occur at the boundaries.

PMID:
16592392
[PubMed]
PMCID:
PMC430991
Free PMC Article
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