Year: 2013
Author: Ming Fang, Xianming Wang, Zhihui Li, Shaoqiang Tang
Advances in Applied Mathematics and Mechanics, Vol. 5 (2013), Iss. 3 : pp. 337–350
Abstract
Matching 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 alpha. Multiplication of MBC operators then leads to multi-directional absorbing boundary conditions. The effectiveness is illustrated by the reflection coefficient analysis and wave packet tests. In particular, the designed M1M1 treats the scalar waves in a satisfactory manner.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/aamm.12-m1264
Advances in Applied Mathematics and Mechanics, Vol. 5 (2013), Iss. 3 : pp. 337–350
Published online: 2013-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 14
Keywords: Body-centered-cubic (BCC) crystalline solids dispersion relation matching boundary condition reflection coefficient scalar waves.
Author Details
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