摘要
周期结构(声子晶体或超材料结构)拥有良好的振动带隙特性,从而达到减振降噪的目的。在应用过程中,针对不同减振频率需求,需要对其振动带隙特性进行优化以达到应用需求。本文论述了周期结构振动带隙特性优化的研究进展,介绍了通过对单胞构型、结构尺寸及材料参数等进行优化,以改进此类结构的振动带隙特性,达到不同减振需求的设计及研究方法,展望了振动带隙特性优化的研究前景及思路。周期结构振动带隙特性优化能够有效提升结构的减振特性,有较好的应用前景。
Periodic structures(phononic crystalsor metamaterial structures)exhibit the vibration band-gap characteristics as to achieve the purpose of vibration reduction.In the practical applications,it is necessary to optimize the vibration band-gap characteristics to satisfy the different vibration reduction requirements.In this paper,the research progress on the optimization of the vibration band-gap characteristics for periodic structures is reviewed.The methods of the design and investigationon the vibration band-gap characteristics of the periodic structuresoptimized by the unit-cell configurations,structural sizes and material parameters to achieve different vibration reduction requirements are described,and an outlook on some future research directions and ideas on the optimization of the vibration band-gapcharacteristics is given.In general,the optimization of the vibration band-gap characteristics of the periodic structures can effectively improve the vibration reduction characteristics of the structures,and it has a good application prospect.
作者
熊远皓
李凤明
张传增
XIONG Yuanhao;LI Fengming;ZHANG Chuanzeng(College of Aerospace and Civil Engineering,Harbin Engineering University,Harbin 150001,China;Department of Civil Engineering,University of Siegen,D-57068 Siegen,Germany)
出处
《哈尔滨工程大学学报》
EI
CAS
CSCD
北大核心
2022年第9期1229-1240,共12页
Journal of Harbin Engineering University
基金
国家自然科学基金项目(11761131006)
德国科学基金项目(ZH 15/30-1)。
关键词
周期结构
振动带隙
减振
降噪
优化
periodic structures
vibration band-gaps
vibration reduction
noise isolation
optimization