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Proceedings Article

Dynamic strain measurements with a luminescent photoelastic coating

[+] Author Affiliations
Daniel R. Gerber, Hisham K. Ali, James P. Hubner

The Univ. of Alabama (USA)

Proc. SPIE 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, 79815V (April 18, 2011); doi:10.1117/12.880969
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From Conference Volume 7981

  • Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011
  • Masayoshi Tomizuka
  • San Diego, California, USA | March 06, 2011

abstract

Over the past few years, the luminescent photoelastic coating technique has been extended to acquire principal strain measurements on static, three-dimensional structural components under load. The approach uses oblique incident excitation and digital imaging of the luminescence; subsequent analysis is performed on a three-dimension grid compatible with finite element analysis. This paper discusses the initial efforts to extend the technique for dynamically loaded specimens in which the excitation is strobed in synchronization with the load application cycle.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Daniel R. Gerber ; Hisham K. Ali and James P. Hubner
"Dynamic strain measurements with a luminescent photoelastic coating", Proc. SPIE 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, 79815V (April 18, 2011); doi:10.1117/12.880969; http://dx.doi.org/10.1117/12.880969


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