Large Lamb wave band gap in phononic crystals thin plates

Jiu Jiu Chen; Feng Yan; H. L.W. Chan

doi:10.1007/s00340-007-2888-z

Large Lamb wave band gap in phononic crystals thin plates

Jiu Jiu Chen, Feng Yan, H. L.W. Chan

Research output: Journal article publication › Journal article › Academic research › peer-review

6 Citations (Scopus)

Abstract

We suggest that Lamb wave band gaps in one-dimensional phononic crystals can be substantially enlarged by using multiple heterostructures which consist of several pieces of phononic crystal with different ratios of the thickness to the lattice period. This is possible because each substructure shows a different band gap and the band structure of a Lamb wave is strongly affected by the ratio of the plate thickness to the lattice period. This effect has been demonstrated by using finite element simulations on two different one-dimensional systems.

Original language	English
Pages (from-to)	557-559
Number of pages	3
Journal	Applied Physics B: Lasers and Optics
Volume	90
Issue number	3-4
DOIs	https://doi.org/10.1007/s00340-007-2888-z
Publication status	Published - 1 Mar 2008

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)
General Physics and Astronomy

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10.1007/s00340-007-2888-z

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AB - We suggest that Lamb wave band gaps in one-dimensional phononic crystals can be substantially enlarged by using multiple heterostructures which consist of several pieces of phononic crystal with different ratios of the thickness to the lattice period. This is possible because each substructure shows a different band gap and the band structure of a Lamb wave is strongly affected by the ratio of the plate thickness to the lattice period. This effect has been demonstrated by using finite element simulations on two different one-dimensional systems.

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Large Lamb wave band gap in phononic crystals thin plates

Abstract

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