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Darnton AT, Ruzzene M. Optical measurement of guided waves. J Acoust Soc Am. 2017;141(5):EL465doi: 10.1121/1.4982825.
Darnton, A. T., & Ruzzene, M. (2017). Optical measurement of guided waves. The Journal of the Acoustical Society of America, 141(5), EL465. https://doi.org/10.1121/1.4982825
Darnton, Aaron T, and Ruzzene, Massimo. "Optical measurement of guided waves." The Journal of the Acoustical Society of America vol. 141,5 (2017): EL465. doi: https://doi.org/10.1121/1.4982825
Darnton AT, Ruzzene M. Optical measurement of guided waves. J Acoust Soc Am. 2017 May;141(5):EL465. doi: 10.1121/1.4982825. PMID: 28599564.
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J Acoust Soc Am. 2017 May;141(5):EL465. doi: 10.1121/1.4982825.

Optical measurement of guided waves.

The Journal of the Acoustical Society of America

Aaron T Darnton, Massimo Ruzzene

Affiliations

  1. Naval Undersea Warfare Center Division, Keyport 610 Dowell Street, Keyport, Washington 98345, USA [email protected].
  2. Daniel Guggenheim School of Aerospace Engineering, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA [email protected].

PMID: 28599564 DOI: 10.1121/1.4982825

Abstract

This paper demonstrates an optical method for measuring guided waves in plates that is much faster than traditional scanning approaches. By recording the wavefield with a high-speed camera and applying a post-processing method, the wavefield can be extracted from the static and noise components within the measured signal. This technique is demonstrated with a transient wave in a fiber-glass plate. A comparison of the wavefield is made to data measured with a scanning laser Doppler velocimeter (SLDV). Good agreement is found between the measurements from the optical technique and the SLDV.

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