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Erschienen in: Computational Mechanics 1/2018

05.10.2017 | Original Paper

Eliminating corner effects in square lattice simulation

verfasst von: Gang Pang, Songsong Ji, Yibo Yang, Shaoqiang Tang

Erschienen in: Computational Mechanics | Ausgabe 1/2018

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Abstract

Using an alternative source decomposition, we propose new exact boundary conditions on numerical boundary of a square lattice for out-of-plane motion over the whole space. A set of recurrence relations are found for the resulting kernel functions, hence allow their efficient and accurate evaluation with a system of ordinary differential equations. Stability of the boundary conditions is proved rigorously. Numerical results illustrate effective suppression for spurious wave reflection, and elimination of corner effects. This approach may be extended to other lattice structures and in higher dimensions.

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Metadaten
Titel
Eliminating corner effects in square lattice simulation
verfasst von
Gang Pang
Songsong Ji
Yibo Yang
Shaoqiang Tang
Publikationsdatum
05.10.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
Computational Mechanics / Ausgabe 1/2018
Print ISSN: 0178-7675
Elektronische ISSN: 1432-0924
DOI
https://doi.org/10.1007/s00466-017-1488-y

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