Using PWE/FE method to calculate band structures of plane-infinite plate-like phononic crystals

被引：0
作者：
Qian D.-H. [1 ]
Shi Z.-Y. [2 ]
机构：
[1] College of Civil Engineering, Suzhou University of Science and Technology, Suzhou
[2] State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Zhendong Gongcheng Xuebao/Journal of Vibration Engineering | 2019年 / 32卷 / 05期
关键词：
Accuracy; Applicability; Band structure; Plane-infinite plate-like phononic crystal; PWE/FE method;
D O I：
10.16385/j.cnki.issn.1004-4523.2019.05.007
中图分类号：
学科分类号：
摘要：
The concept of plane-infinite plate-like phononic crystal (PC) is proposed, which has the infinite periodicity in x-y plane and finiteness in z-direction. The plane wave expansion (PWE) and finite element (FE) methods are coupled and formulized to calculate the band structures of the proposed periodic elastic composite structures based on the typical geometric properties. Comparing the results with those calculated by adopting commercial FE software, the applicability and accuracy are verified from different points such as component materials, scatter shapes, component numbers. The paper provides a new and effective theoretical investigation method for plate-like PC in the field of vibration and noise reduction in engineering. © 2019, Nanjing Univ. of Aeronautics an Astronautics. All right reserved.
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页码：793 / 800
页数：7
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