A comparative study of wave localization in locally resonant Thue-Morse, Rudin-Shapiro and Per iod-Doubling aper iodic structures

作者：Yan, Zhizhong^*; Wang, Yangyang; Zhang, Chuanzeng

来源：Acta Mechanica Solida Sinica, 2017, 30(3): 271-284.

DOI：10.1016/j.camss.2017.03.007

• Phononic crystals
• Aperiodicity
• Wave localization
• Localization factor
• Transfer matrix method

The localization characteristics of the in-plane elastic waves in locally resonant aperiodic phononic crystals are examined in this study. In particular, the phononic crystals generated according to the Thue-Morse, Rudin-Shapiro and Period-Doubling sequences are theoretically investigated by using the extended transfer matrix method. For comparison, the binary and ternary locally resonant systems are considered, and their band structures are characterized by using the localization factors. Moreover, the influences of structural arrangement, material combination, incidence angle, number of components, length ratio, and random disorder on the band structures are also discussed. Some novel and interesting phenomena are observed and discussed.

• 出版日期2017-6
• 单位北京理工大学