Matching Boundary Conditions for Scalar Waves in Body-Centered-Cubic Lattices
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Published:2013-06
Issue:03
Volume:5
Page:337-350
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ISSN:2070-0733
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Container-title:Advances in Applied Mathematics and Mechanics
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language:en
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Short-container-title:Adv. Appl. Math. Mech.
Author:
Fang Ming,Wang Xianming,Li Zhihui,Tang Shaoqiang
Abstract
AbstractMatching boundary conditions (MBC’s) are proposed to treat scalar waves in the body-centered-cubic lattices. By matching the dispersion relation, we construct MBC’s for normal incidence and incidence with an angle α. Multiplication of MBC operators then leads to multi-directional absorbing boundary conditions. The effectiveness are illustrated by the reflection coefficient analysis and wave packet tests. In particular, the designed M1M1 treats the scalar waves in a satisfactory manner.
Publisher
Global Science Press
Subject
Applied Mathematics,Mechanical Engineering
Cited by
2 articles.
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