Journal
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME
Volume 81, Issue 6, Pages -Publisher
ASME
DOI: 10.1115/1.4026332
Keywords
phononic crystals; Dirichlet-to-Neumann map; band structures; sliding interface conditions
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Funding
- National Natural Science Foundation of China [11202021, 51178037]
- German Research Foundation (DFG) [ZH 15/11-1, ZH 15/16-1]
- Postdoctoral Science Foundation of China [2012M510311]
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In the present paper, the Dirichlet-to-Neumann map method is employed to compute the band structures of two-dimensional phononic crystals with smoothly sliding connection conditions between the matrix and the scatterers, which are composed of square or triangular lattices of circular solid cylinders in a solid matrix. The solid/solid systems of various material parameters with sliding interface conditions are considered. The influence of sliding interface conditions on the band structures is analyzed and discussed. The results show that the smoothly sliding interface condition has significant effect on the band structure.
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