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Proceedings Paper

Whole-field digital analysis of photoelastic fringe patterns
Author(s): Terry Y. Chen
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Paper Abstract

Digital approaches for fringe multiplication, determination of fringe order and principal stress direction in photoelasticity are presented. Relevant theories are described. The scheme developed allows for: (1) multiply the fringes to a factor of 16; (2) automatic determination of the fringe orders with or without zero-order fringes in the fringe patterns, (3) directly determining the principal stress angles in the range (pi) /2. Test results are reported.

Paper Details

Date Published: 29 September 1998
PDF: 8 pages
Proc. SPIE 3407, International Conference on Applied Optical Metrology, (29 September 1998); doi: 10.1117/12.323301
Show Author Affiliations
Terry Y. Chen, National Cheng Kung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 3407:
International Conference on Applied Optical Metrology
Pramod Kumar Rastogi; Ferenc Gyimesi, Editor(s)

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