Analysis of scattered-light methods in photoelasticity

Srinath, L. S. (1969) Analysis of scattered-light methods in photoelasticity Experimental Mechanics, 9 (10). pp. 463-468. ISSN 0014-4851

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The use of scattered light for nondestructive analysis of general photoelastic models is becoming quite common and, during the last few years, several methods have appeared in the literature to determine the directions of the secondary principal stresses and their differences at any general point. Among the methods suggested, some are mentioned as "exact" and some "approximate". Even the exact methods have limitations in their applicability for a generally stressed model. The present discussion attempts to bring out the inaccuracies involved in the various exact methods. Also, a few modifications to improve the accuracy and a new method called the Mini-max method are proposed. References 1, 2 and 3 give the general methods and the derivations of equations used in the present analysis.

Item Type:Article
Source:Copyright of this article belongs to Sage Publications.
ID Code:53126
Deposited On:05 Aug 2011 07:28
Last Modified:05 Aug 2011 12:54

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