Combined implementation of holographic and speckle interferometry for comparative local stress analysis at different vibration modes

Sergey A. Novikov; Vladimir S. Pisarev; Alexander S. Dzuba; Vladimir D. Grigoriev

doi:10.1117/12.323312

29 September 1998 Combined implementation of holographic and speckle interferometry for comparative local stress analysis at different vibration modes

Sergey A. Novikov, Vladimir S. Pisarev, Alexander S. Dzuba, Vladimir D. Grigoriev

Author Affiliations +

Proceedings Volume 3407, International Conference on Applied Optical Metrology; (1998) https://doi.org/10.1117/12.323312
Event: International Conference on Applied Optical Metrology, 1998, Balatonfured, Hungary

Abstract

New capability of combined application of time-averaged holographic interferometry and defocused speckle photography, allowing us a comparative analysis of local stresses corresponding to different vibration modes, is considered. The main aspects of the technique developed are illustrated by using as an example bending oscillations of thin square plate with a large central circular hole. Experimental results are compared with corresponding numerical data obtained by means of the MSC/NASTRAN software.

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Sergey A. Novikov, Vladimir S. Pisarev, Alexander S. Dzuba, and Vladimir D. Grigoriev "Combined implementation of holographic and speckle interferometry for comparative local stress analysis at different vibration modes", Proc. SPIE 3407, International Conference on Applied Optical Metrology, (29 September 1998); https://doi.org/10.1117/12.323312

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