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International Journal of Thermophysics

, Volume 36, Issue 5–6, pp 1195–1201 | Cite as

Laser-Ultrasonic Investigation on Lamb Waves in Two-Dimensional Phononic Crystal Plates

  • Jing Shi Wang
  • Ying Cheng
  • Xiao Dong Xu
  • Xiao Jun Liu
Article
  • 239 Downloads

Abstract

In this paper, laser-ultrasonic non-destructive testing is used to investigate the propagation of Lamb waves in two-dimensional phononic crystal plates. The bandgaps are experimentally observed for low-order Lamb wave modes. The influence of crucial parameters such as the periodical arrangement of scatterers on bandgaps is discussed in detail. The finite element simulations further agree well with the results of the laser-ultrasonic investigation.

Keywords

2D phononic crystal plates Bandgaps Laser-ultrasonic non-destructive Testing 

Notes

Acknowledgments

This work was supported by the National Basic Research Program of China (2012CB921504), the National Natural Science Foundation of China (11074124, 11104139, 10904052, and 11204145), Jiangsu Provincial Natural Science Foundation (BK2011542), and Science and Technology Program of Nantong city (BK2012045).

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Jing Shi Wang
    • 1
    • 2
  • Ying Cheng
    • 2
  • Xiao Dong Xu
    • 2
  • Xiao Jun Liu
    • 2
  1. 1.School of Electronics and InformationNantong UniversityNantongChina
  2. 2.Key Laboratory of Modern AcousticsNanjing UniversityNanjingChina

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