Effects of rotated square inserts on the longitudinal vibration band gaps in thin phononic crystal plates

被引：2

作者：

Zhao, Haojiang ^{[1
]}

Liu, Rongqiang ^{[1
]}

Shi, Chuang ^{[1
]}

Guo, Hongwei ^{[1
]}

Deng, Zongquan ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Mech Engn, Harbin 150001, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2015年 / 29卷 / 20期

关键词：

Phononic crystal; band gap; longitudinal vibration; plane wave expansion method; ELASTIC-WAVES; COMPOSITES; INCLUSIONS; ANISOTROPY;

D O I：

10.1142/S0217984915501055

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Longitudinal vibration of thin phononic crystal plates with a hybrid square-like array of square inserts is investigated. The plane wave expansion method is used to calculate the vibration band structure of the plate. Numerical results show that rotated square inserts can open several vibration gaps, and the band structures are twisted because of the rotation of inserts. Filling fraction and material of the insert affect the change law of the gap width versus the rotation angles of square inserts.

引用

页数：10

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