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A Method for Detecting Isoclinics by Modified Isochromatics

  • S. Sakai
  • H. Okamura
Conference paper

Abstract

In the present paper, the authors propose a new method for detecting isoclinics by using modified isochromatics. The ordinary method of detecting isoclinics by a crossed plane polariscope has some difficulties in determining the precise location of isoclinic line because the fringe width of isoclinics is rather broad and isochromatics prevent observation of isoclinics, especially in high-stress regions. When we use circularily polarized light as incident light on the photoelastic model and observe the fringe pattern through an analyzer, we will get a fringe pattern of the isoclinics modified by isochromatics. If the isoclinics intersect the isochromatics at a large angle, the isoclinics can be detected more accurately than by the ordinary method and can be observed clearly in high-stress regions because this method uses modified isochromatics.

Keywords

Light Intensity Present Method Fringe Pattern Zero Point Concentrate Load 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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REFERENCES

  1. Sakai S. (1984) Improvement of Measuring Accuracy of Isoclinics in photoelastic stress analysis. Transactions of JSME 452 A:700–708CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Tokyo 1986

Authors and Affiliations

  • S. Sakai
    • 1
  • H. Okamura
    • 1
  1. 1.Faculty of EngineeringUniversity of TokyoHongo, Bunkyo-ku, Tokyo 113Japan

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