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Simultaneous recording of fringe patterns with one camera

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Abstract

A novel method to separate and simultaneously record the Moiré interferometry fringe patterns of three deformation fields with only one CCD camera is developed; details of its operation principle, key points and error analysis are presented. With this technique, the deformation inU, V andW fields can be measured simultaneously, so dynamic test with comprehensive information can be performed. The advantage of this technique over other similar techniques lies in its simplicity, easy implementation and low cost. An application of this technique is given to show its feasibility. Technical problems that may be caused with this technique are also analyzed.

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Authors and Affiliations

  1. School of MPE, Nanyang Technological University, Singapore

    Su Fei & Chian Kerm Sin

  2. Department of Engineering Mechanics, Tsinghua University, 100084, Beijing, China

    Dai Fulong

  3. Department of Mechanical Engineering, Portland State Univ., OR, USA

    YI Sung

Authors
  1. Su Fei
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  2. Dai Fulong
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  3. Chian Kerm Sin
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  4. YI Sung
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Fei, S., Fulong, D., Kerm Sin, C. et al. Simultaneous recording of fringe patterns with one camera. Acta Mech Sinica 20, 642–648 (2004). https://doi.org/10.1007/BF02485868

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  • DOI: https://doi.org/10.1007/BF02485868

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