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Erschienen in:
2003 | OriginalPaper | Buchkapitel
Discretely Nonreflecting Boundary Conditions for Higher Order Centered Schemes for Wave Equations
verfasst von : Daniel Appelö, Gunilla Kreiss
Erschienen in: Mathematical and Numerical Aspects of Wave Propagation WAVES 2003
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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Using the framework introduced by Rawley and Colonius [2] we construct a nonreflecting boundary condition for the one-way wave equation spatially discretized with a fourth order centered difference scheme. The boundary condition, which can be extended to arbitrary order accuracy, is shown to be well posed. Numerical simulations have been performed showing promising results.