Development of dynamic shape and strain measurement system by sampling moire method

Kosuke Shimo; Motoharu Fujigaki; Akihiro Masaya; Yoshiharu Morimoto

doi:10.1117/12.854780

14 April 2010 Development of dynamic shape and strain measurement system by sampling moiré method

Kosuke Shimo, Motoharu Fujigaki, Akihiro Masaya, Yoshiharu Morimoto

Proceedings Volume 7522, Fourth International Conference on Experimental Mechanics; 75224M (2010) https://doi.org/10.1117/12.854780
Event: Fourth International Conference on Experimental Mechanics, 2009, Singapore, Singapore

Abstract

Shape measurement and strain distribution measurement are important to analyze the behavior of a moving object. In this paper, a dynamic shape and strain measurement system by the sampling moire method is developed. Recently, phase analysis method using phase-shifting moire patterns generated in a computer from a grating image is proposed. This method is very suitable for dynamic measurement because the phase can be obtained from a one-dimensional or two-dimensional (2-D) grating image with high accuracy. It is possible to analyze strain distribution and shape measurement of a moving object using a grating pattern attached on the specimen surface. A dynamic shape and strain measurement system by the sampling moire method is developed. The principle and experimental results applied to a rotating object are shown.

Citation Download Citation

Kosuke Shimo, Motoharu Fujigaki, Akihiro Masaya, and Yoshiharu Morimoto "Development of dynamic shape and strain measurement system by sampling moiré method", Proc. SPIE 7522, Fourth International Conference on Experimental Mechanics, 75224M (14 April 2010); https://doi.org/10.1117/12.854780

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