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物理学报. 2003, 52(8): 1943-1947.
doi: 10.7498/aps.52.1943.
二维声子晶体带隙计算中的时域有限差分方法
- 收稿日期: 2002-09-23
- 修回日期: 2002-11-27
- 刊出日期: 2003-08-20
English Abstract
Finite difference time domain method for the study of band gap in two-dimensiona l phononic crystals
- Received Date:
23 September 2002
- Accepted Date:
27 November 2002
- Published Online:
20 August 2003
Abstract: In this paper, by transforming the isotropy elastodynamic equations into the first-order hyperbolic ones, we have improved the O(2,4) finite difference time domain method with the staggered grid. Using the approach in this paper, we calculated the band gap in two-dimensional phononic crystals. The calculated and measured results match well.
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