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Tuning of band-gap of phononic crystals with initial confining pressure |
Feng Rong-Xin (冯荣欣)a, Liu Kai-Xin (刘凯欣)a b |
a LTCS and Department of Mechanics & Aerospace Engineering, College of Engineering, Peking University, Beijing 100871, China; b Center for Applied Physics and Technology, Peking University, Beijing 100871, China |
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Abstract The mechanism of the shift of the band-gap in phononic crystal (PC) with different initial confining pressures is studied experimentally and numerically. The experimental results and numerical analysis simultaneously indicate that the confining pressure can efficiently tune the location in and the width of the band-gap. The present work provides a basis for tuning the band-gap of phononic crystal in engineering applications.
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Received: 01 April 2012
Revised: 09 May 2012
Accepted manuscript online:
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PACS:
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63.20.-e
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(Phonons in crystal lattices)
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63.20.Dj
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02.60.-x
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(Numerical approximation and analysis)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10732010, 10972010, and 11028206). |
Corresponding Authors:
Liu Kai-Xin
E-mail: kliu@pku.edu.cn
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Cite this article:
Feng Rong-Xin (冯荣欣), Liu Kai-Xin (刘凯欣) Tuning of band-gap of phononic crystals with initial confining pressure 2012 Chin. Phys. B 21 126301
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