Simple method for direct determination of bending strains by use of digital holography

Applied Optics

Volumn 40, Issue 25, 2001, Pages 4514-4518

  Hung, Michael Y Y ^a,b   Lin, L ^a   Shang, Huai M ^b  

^a Oakland University   (United States)

^b NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

Author keywords

[No Author keywords available]

Indexed keywords

BEAMS AND GIRDERS; BENDING MOMENTS; BOUNDARY CONDITIONS; COMPUTER VISION; DATA ACQUISITION; DIFFERENTIATION (CALCULUS); HOLOGRAPHIC INTERFEROMETRY; POISSON RATIO; STRAIN MEASUREMENT; STRESSES;

PHASE-CHANGE MAPS;

BENDING (DEFORMATION);

EID: 0038162283     PISSN: 1559128X     EISSN: 21553165     Source Type: Journal    
DOI: 10.1364/AO.40.004514     Document Type: Article

References (7)

1. S. P. Timoshenko and S. Woinowsky-Krieger, Theory of Plates and Shells (McGraw-Hill, New York, 1959).
2. C. M. Vest, Holographic Interferometry (Wiley, New York, 1979).
3. D. Post, “The moire grid-analyzer method for strain analysis,” Exp. Mech. 5, 368-377 (1965).
4. K. A. Stetson, “Moire method for determining bending moments from hologram interferometry,” Opt. Laser Technol. 2, 80-84 (1970).
5. Y. Y. Hung, S. K. Cheng, and N. K. Loh, “A computer vision technique for surface gaging with projected grating,” IEEE Trans. Indust. Electron. IE-32, 156-161 (1986).
6. Y. Y. Hung, “Three-dimensional computer vision techniques for full-field surface shape measurement and surface flaw inspection,” in 1992 SAE International Congress and Exposition, Detroit, 24-28 February 24-28 1992 (Society of Automotive Engineers, Warrendale, Pa. 15096), Paper 920246.
7. W. W. Macy, “Two-dimensional fringe pattern analysis,” Appl. Opt. 22, 3898-3901 (1983).