Interferometric Determination of Curvatures of Flexed Plate

[+] Author and Article Information
Y. J. Chao

Department of Engineering Mechanics and Materials, Southern Illinois University at Carbondale, Carbondale, Ill. 62901

M. A. Sutton

Department of Mechanical Engineering, University of South Carolina, Columbia, S. C. 29208

C. E. Taylor

Department of Engineering Science, University of Florida, Gainesville, Fla. 32601

J. Appl. Mech 49(4), 837-842 (Dec 01, 1982) (6 pages) doi:10.1115/1.3162624 History: Received March 01, 1982; Revised June 01, 1982; Online July 21, 2009


Two interferometric techniques are proposed that can readily be applied to the measurement of stresses in thin plates. A point-by-point method is presented that allows the analyst to determine either absolute or relative curvatures and twists of thin plates. A full-field method is presented that will determine the absolute curvatures and twists of thin plates. Experiments have been performed that indicate that the methods do provide a simple and accurate means for determining the curvatures and twists of thin plates.

Copyright © 1982 by ASME
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