Single-Negative Properties based on the Bandgaps of one-dimensional Phononic Crystal

摘要：

Phononic Crystals (PCs) have important potential application in engineering by the properties of bandgaps. In the paper, the bandgap characteristic of one-dimensional PCs is attributed to the results of Single-Negative (SN) properties, e.g. negative modulus or negative density. The effective parameters of the 1D PCs were predicted by the equivalent layer concept with considering viscous damping, and the results showed that during the frequency regions of the bandgaps, the negative parameters appeared. This will be a reference for the design of acoustic negative refraction metamaterials.

关键词： Phononic Crystal Bandgap Single-Negative Material Effective Medium Parameter

作者: WeikaiXu WeiWang

作者单位: Key Laboratory of Liaoning Province for Composite Structural Analysis of Aerocraft and Simulation,Sc School of Civil Engineering, Shenyang Jianzhu University, Shenyang, 110168, P.R. China

会议类型: 国际会议

会议名称: 2011 International Conference on Vibration,Structural Engineering and Measurement(2011年振动、结构工程与测量国际会议 ICVSEM 2011)

会议地点: 上海

会议语种:英文

页码: 279-282

在线出版日期: 2011-10-21（万方平台首次上网日期，不代表论文的发表时间）