Zhang Zhao
Professor Supervisor of Doctorate Candidates Supervisor of Master's Candidates
Academic Titles:Professor in Process Mechanics
Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:Department of Engineering Mechanics, Dalian University of Technology
Discipline:mechanics of manufacturing process. Engineering Mechanics. Computational Mechanics
Business Address:Room 619,Integrated Laboratory building (1#)
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Date:2019-03-10
Indexed by:Journal Article
Date of Publication:2015-06-15
Journal:计算力学学报
Included Journals:Scopus、CSCD、ISTIC、PKU
Volume:32
Issue:3
Page Number:353-358
ISSN:1007-4708
Key Words:低频减振;局域共振;声子晶体;带隙特性
Abstract:采用多重多级子结构方法计算具有一定刚度的圆管型局域共振声子晶体三维构型振动带隙特性。考察包裹方向对带隙特性的影响，并对第一带隙上下边界点的单胞振动形式进行分析。结果表明，两种包裹形式都可以得到较低较宽的第一带隙，并且带隙特性相似，因而其周期结构都可以大幅减弱带隙范围内弹性波的传播。但两种构型带隙上下边界点对应振动形式不同，此外带隙特性还受单胞尺寸的影响。通过给定评价指标得到相关材料参数与带隙特性关系的相图，由此分析包裹层材料属性对带隙特性的影响。
