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Absorbing boundary conditions for numerical simulation of waves |
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| Authors: | Engquist B Majda A |
| Affiliation: | Björn Engquist and Andrew Majda |
| 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. |
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