Two-Dimensional Measurement of Strain Distribution by Speckle Correlation

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概要

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• Electronic speckle pattern correlation is applied to two-dimensional measurement of in-plane displacement and strain distributions. Speckle displacement distribution is determined by the peak of the 2-D cross-correlation of each block of images before and after surface deformation. From the distribution, we can derive the biaxial strain distributions with the sensitivity of millistrains.

• 社団法人応用物理学会の論文
• 1992-09-01

著者

• YAMAGUCHI Ichirou

  Graduate School of Science and Engineering, Saitama University

• Yamaguchi Ichirou

  Graduate School Of Science And Engineering Saitama University

• NOH Seokho

  Optical Engineering Laboratory, The Institute of Physical and Chemical Research (RIKEN)

• Noh Seokho

  Optical Engineering Laboratory The Institute Of Physical And Chemical Research (riken)

関連論文

• Real-Time Surface Shape Measurement by an Active Interferometer
• Active Phase-Shifting Interferometer Using Current Modulation of a Laser Diode
• Two-Dimensional Measurement of Strain Distribution by Speckle Correlation

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