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Stress Analysis of a Curved Beam Plate by using Photoelastic Fringe Phase Shifing Technique
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 Title & Authors
Stress Analysis of a Curved Beam Plate by using Photoelastic Fringe Phase Shifing Technique
Baek, Tae-Hyeon; Kim, Myeong-Su; Kim, Su-Il;
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 Abstract
The method of photoelasticity allows one to obtain principal stress differences and principal stress directions in a photoelastic model. In the classical approach, the photoelastic parameters are measured manually point by point. This is time consuming and requires skill in the identification and measurement of photoelastic data. Fringe phase shifting method has been recently developed and widely used to measure and analyze fringe data in photo-mechanics. This paper presents the test results of photoelastic fringe phase shifting method for the stress analysis of a curved beam plate. The technique used here requires four phase stepped photoelastic images obtained from a circular polariscope by rotating the analyzer at 0˚, 45˚, 90˚ and 135˚. Experimental results are compared with those of ANSYS and calculated by the simple beam theory. Good agreement among the results can be observed.
 Keywords
Photoelasticity;Stress Analysis;Fringe shifting Method;Phase Shifting Method;Circular Polariscope;Experimental Stress Analysis;Digital Image Processing;
 Language
Korean
 Cited by
1.
광탄성 프린지 위상 이동법을 이용한 곡선보평판의 응력 해석,백태현;김명수;김수일;

대한기계학회논문집A, 2000. vol.24. 9, pp.2313-2318 crossref(new window)
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