Theoretical study of a tunable phononic band gap system

被引：240

作者：

Goffaux, C ^{[1
]}

Vigneron, JP ^{[1
]}

机构：

[1] Fac Univ Notre Dame Paix, Lab Phys Solide, B-5000 Namur, Belgium

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.64.075118

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The control of acoustic-frequency gaps by altering the geometry of the system is analyzed in the particular case of a set of parallel solid square-section columns distributed in air on a square lattice. This system is shown to be sensitive enough to the rotation of the columns to be considered for practical sonic band-gap-width engineering, For different geometric configurations, specific interpretation models are used, taking into account the important mismatch of the impedance between the compounds. The accuracy of the plane-wave calculation is discussed in the different cases.

引用

页数：5

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