Transmission property of the one-dimensional phononic crystal thin plate by the eigenmode matching theory
作者： Zhilin Hou , Badreddine M Assouar
DOI: 10.1088/0022-3727/41/9/095103
关键词: Substrate (electronics) 、 Transmission (telecommunications) 、 Optics 、 Antisymmetric relation 、 Normal mode 、 Excited state 、 Energy transformation 、 Molecular physics 、 Materials science 、 Electronic band structure 、 Crystal
摘要: Eigenmode matching theory, which was developed originally for the band structure and transmission property of infinite phononic crystal (PC), is extended to deal with PC thin plate. By this method, one-dimensional plate without a uniform substrate investigated. It shown that in substrate, permitted can be separated into two parts, excited by incident antisymmetric symmetric Lamb modes, respectively. However, energy conversion between modes found spectrum. The physical origin such an discussed.
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