کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1811123 1025581 2011 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Low-frequency band gaps in one-dimensional thin phononic crystal plate with periodic stubbed surface
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Low-frequency band gaps in one-dimensional thin phononic crystal plate with periodic stubbed surface
چکیده انگلیسی

Using supercell plane wave expansion method, the Lamb wave band structure of one-dimensional thin plate with periodic stubs is investigated. The numerical results show that flat bands will appear and band gap can exist in a low-frequency domain. The position of the flat bands and width of the low-frequency Lamb wave band gap can be tuned by the stub height, plate thickness and filling fraction. The band gap is obtained by opening the folding points of the same plate modes not the crossing point of different plate mode when the stub height is small.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 406, Issue 11, 15 May 2011, Pages 2249–2253
نویسندگان
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