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Measurement of Photoelastic Material Stress Fringe Value using a Tapered Plate

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한국기계기술학회지 (Journal of the Korean Society of Mechanical Technology)
한국기계기술학회 (Korean Society of Mechanical Technology)
초록

In a photoelastic experiment, it is necessary to know the material stress fringe constant of the photoelastic specimen to determine the stresses from the measured isochromatic fringe orders. This type of compensator was proposed by the previous researchers. The recent image processing development of the stress pattern provide a means for making convenient compensator. The material stress fringe constant is determined using the distributions of isochromatic fringes in the wedge shaped plate under tensile load. The stress fringe constant measured with this method is applied to obtain the stress distribution along the central line on the tapered shank of the wedge-shaped plate. Photoelastic results using the measured material fringe constant are compared with FEM analysis. Two results are comparable, so it can be seen for the measured material fringe constant to be valid.

저자
  • 백태현(Member, Kunsan National University) | Tae-Hyun Baek Corresponding Author