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SIMUTANEOUS MEASUREMENT OF 3-D DISPLACEMENT DERIVATIVES BY SHEARING MOIRE INTERFEROMETRY[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(1): 110-115. DOI: 10.6052/0459-1879-1991-1-1995-815
Citation: SIMUTANEOUS MEASUREMENT OF 3-D DISPLACEMENT DERIVATIVES BY SHEARING MOIRE INTERFEROMETRY[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(1): 110-115. DOI: 10.6052/0459-1879-1991-1-1995-815

SIMUTANEOUS MEASUREMENT OF 3-D DISPLACEMENT DERIVATIVES BY SHEARING MOIRE INTERFEROMETRY

  • A Shearing Moire Interferometry is proposed. 3-D displacement informations are recorded on the same plate by double-exposure method. Carrire introduced to the beams in their first diffraction orders are changed between two exposures. Optical filtering and shearing techniques are applied to extracting the contour maps of 3-D displacement derivatives. Rigorous theoretical analyses are given. Demonstration experiment are conducted successfully and in-plane and out of plane displacement derivatives are obtained...
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