Response of thermoacoustic waves in stressed thin plates

Shih Ming Hsu*, Ching-Chung Yin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The response of thermoacoustic waves propagating in a thin plate exerted by mechanical stress is characterized by the phase velocity dispersion curves and attenuation spectra in this paper. The stressed thin plate is assumed to be insonified by an intensity modulated CW laser which is modeled as a Gaussian beam. The constitutive relations and governing equations are formulated within the framework of acoustoelasticity and thermo-elasticity. Attenuation spectra in the vicinity of folding frequency can be used as a significant index correlative to residual stress in the specimen. The amplitude and phase of thermoacoustic response are sensitive to the mechanical stress applied to specimen if loading direction is parallel to the direction of wave propagation.

Original languageEnglish
Title of host publication2007 IEEE Ultrasonics Symposium Proceedings, IUS
Pages2287-2290
Number of pages4
DOIs
StatePublished - 1 Dec 2007
Event2007 IEEE Ultrasonics Symposium, IUS - New York, NY, United States
Duration: 28 Oct 200731 Oct 2007

Publication series

NameProceedings - IEEE Ultrasonics Symposium
ISSN (Print)1051-0117

Conference

Conference2007 IEEE Ultrasonics Symposium, IUS
CountryUnited States
CityNew York, NY
Period28/10/0731/10/07

Keywords

  • Plate wave
  • Residual stress
  • Thermoacoustic response

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  • Cite this

    Hsu, S. M., & Yin, C-C. (2007). Response of thermoacoustic waves in stressed thin plates. In 2007 IEEE Ultrasonics Symposium Proceedings, IUS (pp. 2287-2290). [4410148] (Proceedings - IEEE Ultrasonics Symposium). https://doi.org/10.1109/ULTSYM.2007.575